diff --git a/command.md b/command.md
index f1b5188..34c1c92 100644
--- a/command.md
+++ b/command.md
@@ -2,43 +2,43 @@
 <ul>
 <li>Imports:
 <ul>
-<li>interface <a href="#wasi_cli_environment_0_2_7"><code>wasi:cli/environment@0.2.7</code></a></li>
-<li>interface <a href="#wasi_cli_exit_0_2_7"><code>wasi:cli/exit@0.2.7</code></a></li>
-<li>interface <a href="#wasi_io_error_0_2_7"><code>wasi:io/error@0.2.7</code></a></li>
-<li>interface <a href="#wasi_io_poll_0_2_7"><code>wasi:io/poll@0.2.7</code></a></li>
-<li>interface <a href="#wasi_io_streams_0_2_7"><code>wasi:io/streams@0.2.7</code></a></li>
-<li>interface <a href="#wasi_cli_stdin_0_2_7"><code>wasi:cli/stdin@0.2.7</code></a></li>
-<li>interface <a href="#wasi_cli_stdout_0_2_7"><code>wasi:cli/stdout@0.2.7</code></a></li>
-<li>interface <a href="#wasi_cli_stderr_0_2_7"><code>wasi:cli/stderr@0.2.7</code></a></li>
-<li>interface <a href="#wasi_cli_terminal_input_0_2_7"><code>wasi:cli/terminal-input@0.2.7</code></a></li>
-<li>interface <a href="#wasi_cli_terminal_output_0_2_7"><code>wasi:cli/terminal-output@0.2.7</code></a></li>
-<li>interface <a href="#wasi_cli_terminal_stdin_0_2_7"><code>wasi:cli/terminal-stdin@0.2.7</code></a></li>
-<li>interface <a href="#wasi_cli_terminal_stdout_0_2_7"><code>wasi:cli/terminal-stdout@0.2.7</code></a></li>
-<li>interface <a href="#wasi_cli_terminal_stderr_0_2_7"><code>wasi:cli/terminal-stderr@0.2.7</code></a></li>
-<li>interface <a href="#wasi_clocks_monotonic_clock_0_2_7"><code>wasi:clocks/monotonic-clock@0.2.7</code></a></li>
-<li>interface <a href="#wasi_clocks_wall_clock_0_2_7"><code>wasi:clocks/wall-clock@0.2.7</code></a></li>
-<li>interface <a href="#wasi_clocks_timezone_0_2_7"><code>wasi:clocks/timezone@0.2.7</code></a></li>
-<li>interface <a href="#wasi_filesystem_types_0_2_7"><code>wasi:filesystem/types@0.2.7</code></a></li>
-<li>interface <a href="#wasi_filesystem_preopens_0_2_7"><code>wasi:filesystem/preopens@0.2.7</code></a></li>
-<li>interface <a href="#wasi_sockets_network_0_2_7"><code>wasi:sockets/network@0.2.7</code></a></li>
-<li>interface <a href="#wasi_sockets_instance_network_0_2_7"><code>wasi:sockets/instance-network@0.2.7</code></a></li>
-<li>interface <a href="#wasi_sockets_udp_0_2_7"><code>wasi:sockets/udp@0.2.7</code></a></li>
-<li>interface <a href="#wasi_sockets_udp_create_socket_0_2_7"><code>wasi:sockets/udp-create-socket@0.2.7</code></a></li>
-<li>interface <a href="#wasi_sockets_tcp_0_2_7"><code>wasi:sockets/tcp@0.2.7</code></a></li>
-<li>interface <a href="#wasi_sockets_tcp_create_socket_0_2_7"><code>wasi:sockets/tcp-create-socket@0.2.7</code></a></li>
-<li>interface <a href="#wasi_sockets_ip_name_lookup_0_2_7"><code>wasi:sockets/ip-name-lookup@0.2.7</code></a></li>
-<li>interface <a href="#wasi_random_random_0_2_7"><code>wasi:random/random@0.2.7</code></a></li>
-<li>interface <a href="#wasi_random_insecure_0_2_7"><code>wasi:random/insecure@0.2.7</code></a></li>
-<li>interface <a href="#wasi_random_insecure_seed_0_2_7"><code>wasi:random/insecure-seed@0.2.7</code></a></li>
+<li>interface <a href="#wasi_cli_environment_0_2_8"><code>wasi:cli/environment@0.2.8</code></a></li>
+<li>interface <a href="#wasi_cli_exit_0_2_8"><code>wasi:cli/exit@0.2.8</code></a></li>
+<li>interface <a href="#wasi_io_error_0_2_8"><code>wasi:io/error@0.2.8</code></a></li>
+<li>interface <a href="#wasi_io_poll_0_2_8"><code>wasi:io/poll@0.2.8</code></a></li>
+<li>interface <a href="#wasi_io_streams_0_2_8"><code>wasi:io/streams@0.2.8</code></a></li>
+<li>interface <a href="#wasi_cli_stdin_0_2_8"><code>wasi:cli/stdin@0.2.8</code></a></li>
+<li>interface <a href="#wasi_cli_stdout_0_2_8"><code>wasi:cli/stdout@0.2.8</code></a></li>
+<li>interface <a href="#wasi_cli_stderr_0_2_8"><code>wasi:cli/stderr@0.2.8</code></a></li>
+<li>interface <a href="#wasi_cli_terminal_input_0_2_8"><code>wasi:cli/terminal-input@0.2.8</code></a></li>
+<li>interface <a href="#wasi_cli_terminal_output_0_2_8"><code>wasi:cli/terminal-output@0.2.8</code></a></li>
+<li>interface <a href="#wasi_cli_terminal_stdin_0_2_8"><code>wasi:cli/terminal-stdin@0.2.8</code></a></li>
+<li>interface <a href="#wasi_cli_terminal_stdout_0_2_8"><code>wasi:cli/terminal-stdout@0.2.8</code></a></li>
+<li>interface <a href="#wasi_cli_terminal_stderr_0_2_8"><code>wasi:cli/terminal-stderr@0.2.8</code></a></li>
+<li>interface <a href="#wasi_clocks_monotonic_clock_0_2_8"><code>wasi:clocks/monotonic-clock@0.2.8</code></a></li>
+<li>interface <a href="#wasi_clocks_wall_clock_0_2_8"><code>wasi:clocks/wall-clock@0.2.8</code></a></li>
+<li>interface <a href="#wasi_clocks_timezone_0_2_8"><code>wasi:clocks/timezone@0.2.8</code></a></li>
+<li>interface <a href="#wasi_filesystem_types_0_2_8"><code>wasi:filesystem/types@0.2.8</code></a></li>
+<li>interface <a href="#wasi_filesystem_preopens_0_2_8"><code>wasi:filesystem/preopens@0.2.8</code></a></li>
+<li>interface <a href="#wasi_sockets_network_0_2_8"><code>wasi:sockets/network@0.2.8</code></a></li>
+<li>interface <a href="#wasi_sockets_instance_network_0_2_8"><code>wasi:sockets/instance-network@0.2.8</code></a></li>
+<li>interface <a href="#wasi_sockets_udp_0_2_8"><code>wasi:sockets/udp@0.2.8</code></a></li>
+<li>interface <a href="#wasi_sockets_udp_create_socket_0_2_8"><code>wasi:sockets/udp-create-socket@0.2.8</code></a></li>
+<li>interface <a href="#wasi_sockets_tcp_0_2_8"><code>wasi:sockets/tcp@0.2.8</code></a></li>
+<li>interface <a href="#wasi_sockets_tcp_create_socket_0_2_8"><code>wasi:sockets/tcp-create-socket@0.2.8</code></a></li>
+<li>interface <a href="#wasi_sockets_ip_name_lookup_0_2_8"><code>wasi:sockets/ip-name-lookup@0.2.8</code></a></li>
+<li>interface <a href="#wasi_random_random_0_2_8"><code>wasi:random/random@0.2.8</code></a></li>
+<li>interface <a href="#wasi_random_insecure_0_2_8"><code>wasi:random/insecure@0.2.8</code></a></li>
+<li>interface <a href="#wasi_random_insecure_seed_0_2_8"><code>wasi:random/insecure-seed@0.2.8</code></a></li>
 </ul>
 </li>
 <li>Exports:
 <ul>
-<li>interface <a href="#wasi_cli_run_0_2_7"><code>wasi:cli/run@0.2.7</code></a></li>
+<li>interface <a href="#wasi_cli_run_0_2_8"><code>wasi:cli/run@0.2.8</code></a></li>
 </ul>
 </li>
 </ul>
-<h2><a id="wasi_cli_environment_0_2_7"></a>Import interface wasi:cli/environment@0.2.7</h2>
+<h2><a id="wasi_cli_environment_0_2_8"></a>Import interface wasi:cli/environment@0.2.8</h2>
 <hr />
 <h3>Functions</h3>
 <h4><a id="get_environment"></a><code>get-environment: func</code></h4>
@@ -65,7 +65,7 @@ directory, interpreting <code>.</code> as shorthand for this.</p>
 <ul>
 <li><a id="initial_cwd.0"></a> option&lt;<code>string</code>&gt;</li>
 </ul>
-<h2><a id="wasi_cli_exit_0_2_7"></a>Import interface wasi:cli/exit@0.2.7</h2>
+<h2><a id="wasi_cli_exit_0_2_8"></a>Import interface wasi:cli/exit@0.2.8</h2>
 <hr />
 <h3>Functions</h3>
 <h4><a id="exit"></a><code>exit: func</code></h4>
@@ -85,7 +85,7 @@ without the connotation that something bad has happened.</p>
 <ul>
 <li><a id="exit_with_code.status_code"></a><code>status-code</code>: <code>u8</code></li>
 </ul>
-<h2><a id="wasi_io_error_0_2_7"></a>Import interface wasi:io/error@0.2.7</h2>
+<h2><a id="wasi_io_error_0_2_8"></a>Import interface wasi:io/error@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="error"></a><code>resource error</code></h4>
@@ -118,7 +118,7 @@ hazard.</p>
 <ul>
 <li><a id="method_error_to_debug_string.0"></a> <code>string</code></li>
 </ul>
-<h2><a id="wasi_io_poll_0_2_7"></a>Import interface wasi:io/poll@0.2.7</h2>
+<h2><a id="wasi_io_poll_0_2_8"></a>Import interface wasi:io/poll@0.2.8</h2>
 <p>A poll API intended to let users wait for I/O events on multiple handles
 at once.</p>
 <hr />
@@ -171,7 +171,7 @@ being ready for I/O.</p>
 <ul>
 <li><a id="poll.0"></a> list&lt;<code>u32</code>&gt;</li>
 </ul>
-<h2><a id="wasi_io_streams_0_2_7"></a>Import interface wasi:io/streams@0.2.7</h2>
+<h2><a id="wasi_io_streams_0_2_8"></a>Import interface wasi:io/streams@0.2.8</h2>
 <p>WASI I/O is an I/O abstraction API which is currently focused on providing
 stream types.</p>
 <p>In the future, the component model is expected to add built-in stream types;
@@ -181,10 +181,10 @@ when it does, they are expected to subsume this API.</p>
 <h4><a id="error"></a><code>type error</code></h4>
 <p><a href="#error"><a href="#error"><code>error</code></a></a></p>
 <p>
-#### <a id="pollable"></a>`type pollable`
-[`pollable`](#pollable)
+<h4><a id="pollable"></a><code>type pollable</code></h4>
+<p><a href="#pollable"><a href="#pollable"><code>pollable</code></a></a></p>
 <p>
-#### <a id="stream_error"></a>`variant stream-error`
+<h4><a id="stream_error"></a><code>variant stream-error</code></h4>
 <p>An error for input-stream and output-stream operations.</p>
 <h5>Variant Cases</h5>
 <ul>
@@ -473,46 +473,46 @@ is ready for reading, before performing the <code>splice</code>.</p>
 <ul>
 <li><a id="method_output_stream_blocking_splice.0"></a> result&lt;<code>u64</code>, <a href="#stream_error"><a href="#stream_error"><code>stream-error</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_cli_stdin_0_2_7"></a>Import interface wasi:cli/stdin@0.2.7</h2>
+<h2><a id="wasi_cli_stdin_0_2_8"></a>Import interface wasi:cli/stdin@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="input_stream"></a><code>type input-stream</code></h4>
 <p><a href="#input_stream"><a href="#input_stream"><code>input-stream</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="get_stdin"></a><code>get-stdin: func</code></h4>
 <h5>Return values</h5>
 <ul>
 <li><a id="get_stdin.0"></a> own&lt;<a href="#input_stream"><a href="#input_stream"><code>input-stream</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_cli_stdout_0_2_7"></a>Import interface wasi:cli/stdout@0.2.7</h2>
+<h2><a id="wasi_cli_stdout_0_2_8"></a>Import interface wasi:cli/stdout@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="output_stream"></a><code>type output-stream</code></h4>
 <p><a href="#output_stream"><a href="#output_stream"><code>output-stream</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="get_stdout"></a><code>get-stdout: func</code></h4>
 <h5>Return values</h5>
 <ul>
 <li><a id="get_stdout.0"></a> own&lt;<a href="#output_stream"><a href="#output_stream"><code>output-stream</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_cli_stderr_0_2_7"></a>Import interface wasi:cli/stderr@0.2.7</h2>
+<h2><a id="wasi_cli_stderr_0_2_8"></a>Import interface wasi:cli/stderr@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="output_stream"></a><code>type output-stream</code></h4>
 <p><a href="#output_stream"><a href="#output_stream"><code>output-stream</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="get_stderr"></a><code>get-stderr: func</code></h4>
 <h5>Return values</h5>
 <ul>
 <li><a id="get_stderr.0"></a> own&lt;<a href="#output_stream"><a href="#output_stream"><code>output-stream</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_cli_terminal_input_0_2_7"></a>Import interface wasi:cli/terminal-input@0.2.7</h2>
+<h2><a id="wasi_cli_terminal_input_0_2_8"></a>Import interface wasi:cli/terminal-input@0.2.8</h2>
 <p>Terminal input.</p>
 <p>In the future, this may include functions for disabling echoing,
 disabling input buffering so that keyboard events are sent through
@@ -521,7 +521,7 @@ immediately, querying supported features, and so on.</p>
 <h3>Types</h3>
 <h4><a id="terminal_input"></a><code>resource terminal-input</code></h4>
 <p>The input side of a terminal.</p>
-<h2><a id="wasi_cli_terminal_output_0_2_7"></a>Import interface wasi:cli/terminal-output@0.2.7</h2>
+<h2><a id="wasi_cli_terminal_output_0_2_8"></a>Import interface wasi:cli/terminal-output@0.2.8</h2>
 <p>Terminal output.</p>
 <p>In the future, this may include functions for querying the terminal
 size, being notified of terminal size changes, querying supported
@@ -530,7 +530,7 @@ features, and so on.</p>
 <h3>Types</h3>
 <h4><a id="terminal_output"></a><code>resource terminal-output</code></h4>
 <p>The output side of a terminal.</p>
-<h2><a id="wasi_cli_terminal_stdin_0_2_7"></a>Import interface wasi:cli/terminal-stdin@0.2.7</h2>
+<h2><a id="wasi_cli_terminal_stdin_0_2_8"></a>Import interface wasi:cli/terminal-stdin@0.2.8</h2>
 <p>An interface providing an optional <a href="#terminal_input"><code>terminal-input</code></a> for stdin as a
 link-time authority.</p>
 <hr />
@@ -538,7 +538,7 @@ link-time authority.</p>
 <h4><a id="terminal_input"></a><code>type terminal-input</code></h4>
 <p><a href="#terminal_input"><a href="#terminal_input"><code>terminal-input</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="get_terminal_stdin"></a><code>get-terminal-stdin: func</code></h4>
 <p>If stdin is connected to a terminal, return a <a href="#terminal_input"><code>terminal-input</code></a> handle
@@ -547,7 +547,7 @@ allowing further interaction with it.</p>
 <ul>
 <li><a id="get_terminal_stdin.0"></a> option&lt;own&lt;<a href="#terminal_input"><a href="#terminal_input"><code>terminal-input</code></a></a>&gt;&gt;</li>
 </ul>
-<h2><a id="wasi_cli_terminal_stdout_0_2_7"></a>Import interface wasi:cli/terminal-stdout@0.2.7</h2>
+<h2><a id="wasi_cli_terminal_stdout_0_2_8"></a>Import interface wasi:cli/terminal-stdout@0.2.8</h2>
 <p>An interface providing an optional <a href="#terminal_output"><code>terminal-output</code></a> for stdout as a
 link-time authority.</p>
 <hr />
@@ -555,7 +555,7 @@ link-time authority.</p>
 <h4><a id="terminal_output"></a><code>type terminal-output</code></h4>
 <p><a href="#terminal_output"><a href="#terminal_output"><code>terminal-output</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="get_terminal_stdout"></a><code>get-terminal-stdout: func</code></h4>
 <p>If stdout is connected to a terminal, return a <a href="#terminal_output"><code>terminal-output</code></a> handle
@@ -564,7 +564,7 @@ allowing further interaction with it.</p>
 <ul>
 <li><a id="get_terminal_stdout.0"></a> option&lt;own&lt;<a href="#terminal_output"><a href="#terminal_output"><code>terminal-output</code></a></a>&gt;&gt;</li>
 </ul>
-<h2><a id="wasi_cli_terminal_stderr_0_2_7"></a>Import interface wasi:cli/terminal-stderr@0.2.7</h2>
+<h2><a id="wasi_cli_terminal_stderr_0_2_8"></a>Import interface wasi:cli/terminal-stderr@0.2.8</h2>
 <p>An interface providing an optional <a href="#terminal_output"><code>terminal-output</code></a> for stderr as a
 link-time authority.</p>
 <hr />
@@ -572,7 +572,7 @@ link-time authority.</p>
 <h4><a id="terminal_output"></a><code>type terminal-output</code></h4>
 <p><a href="#terminal_output"><a href="#terminal_output"><code>terminal-output</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="get_terminal_stderr"></a><code>get-terminal-stderr: func</code></h4>
 <p>If stderr is connected to a terminal, return a <a href="#terminal_output"><code>terminal-output</code></a> handle
@@ -581,7 +581,7 @@ allowing further interaction with it.</p>
 <ul>
 <li><a id="get_terminal_stderr.0"></a> option&lt;own&lt;<a href="#terminal_output"><a href="#terminal_output"><code>terminal-output</code></a></a>&gt;&gt;</li>
 </ul>
-<h2><a id="wasi_clocks_monotonic_clock_0_2_7"></a>Import interface wasi:clocks/monotonic-clock@0.2.7</h2>
+<h2><a id="wasi_clocks_monotonic_clock_0_2_8"></a>Import interface wasi:clocks/monotonic-clock@0.2.8</h2>
 <p>WASI Monotonic Clock is a clock API intended to let users measure elapsed
 time.</p>
 <p>It is intended to be portable at least between Unix-family platforms and
@@ -593,8 +593,8 @@ successive reads of the clock will produce non-decreasing values.</p>
 <h4><a id="pollable"></a><code>type pollable</code></h4>
 <p><a href="#pollable"><a href="#pollable"><code>pollable</code></a></a></p>
 <p>
-#### <a id="instant"></a>`type instant`
-`u64`
+<h4><a id="instant"></a><code>type instant</code></h4>
+<p><code>u64</code></p>
 <p>An instant in time, in nanoseconds. An instant is relative to an
 unspecified initial value, and can only be compared to instances from
 the same monotonic-clock.
@@ -607,6 +607,10 @@ the same monotonic-clock.
 <p>Read the current value of the clock.</p>
 <p>The clock is monotonic, therefore calling this function repeatedly will
 produce a sequence of non-decreasing values.</p>
+<p>For completeness, this function traps if it's not possible to represent
+the value of the clock in an <a href="#instant"><code>instant</code></a>. Consequently, implementations
+should ensure that the starting time is low enough to avoid the
+possibility of overflow in practice.</p>
 <h5>Return values</h5>
 <ul>
 <li><a id="now.0"></a> <a href="#instant"><a href="#instant"><code>instant</code></a></a></li>
@@ -640,7 +644,7 @@ elapsed from the time this function is invoked.</p>
 <ul>
 <li><a id="subscribe_duration.0"></a> own&lt;<a href="#pollable"><a href="#pollable"><code>pollable</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_clocks_wall_clock_0_2_7"></a>Import interface wasi:clocks/wall-clock@0.2.7</h2>
+<h2><a id="wasi_clocks_wall_clock_0_2_8"></a>Import interface wasi:clocks/wall-clock@0.2.8</h2>
 <p>WASI Wall Clock is a clock API intended to let users query the current
 time. The name &quot;wall&quot; makes an analogy to a &quot;clock on the wall&quot;, which
 is not necessarily monotonic as it may be reset.</p>
@@ -681,13 +685,13 @@ also known as <a href="https://en.wikipedia.org/wiki/Unix_time">Unix Time</a>.</
 <ul>
 <li><a id="resolution.0"></a> <a href="#datetime"><a href="#datetime"><code>datetime</code></a></a></li>
 </ul>
-<h2><a id="wasi_clocks_timezone_0_2_7"></a>Import interface wasi:clocks/timezone@0.2.7</h2>
+<h2><a id="wasi_clocks_timezone_0_2_8"></a>Import interface wasi:clocks/timezone@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="datetime"></a><code>type datetime</code></h4>
 <p><a href="#datetime"><a href="#datetime"><code>datetime</code></a></a></p>
 <p>
-#### <a id="timezone_display"></a>`record timezone-display`
+<h4><a id="timezone_display"></a><code>record timezone-display</code></h4>
 <p>Information useful for displaying the timezone of a specific <a href="#datetime"><code>datetime</code></a>.</p>
 <p>This information may vary within a single <code>timezone</code> to reflect daylight
 saving time adjustments.</p>
@@ -746,7 +750,7 @@ saving time.</p>
 <ul>
 <li><a id="utc_offset.0"></a> <code>s32</code></li>
 </ul>
-<h2><a id="wasi_filesystem_types_0_2_7"></a>Import interface wasi:filesystem/types@0.2.7</h2>
+<h2><a id="wasi_filesystem_types_0_2_8"></a>Import interface wasi:filesystem/types@0.2.8</h2>
 <p>WASI filesystem is a filesystem API primarily intended to let users run WASI
 programs that access their files on their existing filesystems, without
 significant overhead.</p>
@@ -769,17 +773,17 @@ underlying filesystem, the function fails with <a href="#error_code.not_permitte
 <h4><a id="input_stream"></a><code>type input-stream</code></h4>
 <p><a href="#input_stream"><a href="#input_stream"><code>input-stream</code></a></a></p>
 <p>
-#### <a id="output_stream"></a>`type output-stream`
-[`output-stream`](#output_stream)
+<h4><a id="output_stream"></a><code>type output-stream</code></h4>
+<p><a href="#output_stream"><a href="#output_stream"><code>output-stream</code></a></a></p>
 <p>
-#### <a id="error"></a>`type error`
-[`error`](#error)
+<h4><a id="error"></a><code>type error</code></h4>
+<p><a href="#error"><a href="#error"><code>error</code></a></a></p>
 <p>
-#### <a id="datetime"></a>`type datetime`
-[`datetime`](#datetime)
+<h4><a id="datetime"></a><code>type datetime</code></h4>
+<p><a href="#datetime"><a href="#datetime"><code>datetime</code></a></a></p>
 <p>
-#### <a id="filesize"></a>`type filesize`
-`u64`
+<h4><a id="filesize"></a><code>type filesize</code></h4>
+<p><code>u64</code></p>
 <p>File size or length of a region within a file.
 <h4><a id="descriptor_type"></a><code>enum descriptor-type</code></h4>
 <p>The type of a filesystem object referenced by a descriptor.</p>
@@ -1624,13 +1628,13 @@ errors are filesystem-related errors.</p>
 <ul>
 <li><a id="filesystem_error_code.0"></a> option&lt;<a href="#error_code"><a href="#error_code"><code>error-code</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_filesystem_preopens_0_2_7"></a>Import interface wasi:filesystem/preopens@0.2.7</h2>
+<h2><a id="wasi_filesystem_preopens_0_2_8"></a>Import interface wasi:filesystem/preopens@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="descriptor"></a><code>type descriptor</code></h4>
 <p><a href="#descriptor"><a href="#descriptor"><code>descriptor</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="get_directories"></a><code>get-directories: func</code></h4>
 <p>Return the set of preopened directories, and their paths.</p>
@@ -1638,13 +1642,13 @@ errors are filesystem-related errors.</p>
 <ul>
 <li><a id="get_directories.0"></a> list&lt;(own&lt;<a href="#descriptor"><a href="#descriptor"><code>descriptor</code></a></a>&gt;, <code>string</code>)&gt;</li>
 </ul>
-<h2><a id="wasi_sockets_network_0_2_7"></a>Import interface wasi:sockets/network@0.2.7</h2>
+<h2><a id="wasi_sockets_network_0_2_8"></a>Import interface wasi:sockets/network@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="error"></a><code>type error</code></h4>
 <p><a href="#error"><a href="#error"><code>error</code></a></a></p>
 <p>
-#### <a id="network"></a>`resource network`
+<h4><a id="network"></a><code>resource network</code></h4>
 <p>An opaque resource that represents access to (a subset of) the network.
 This enables context-based security for networking.
 There is no need for this to map 1:1 to a physical network interface.</p>
@@ -1853,14 +1857,14 @@ errors are network-related errors.</p>
 <ul>
 <li><a id="network_error_code.0"></a> option&lt;<a href="#error_code"><a href="#error_code"><code>error-code</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_sockets_instance_network_0_2_7"></a>Import interface wasi:sockets/instance-network@0.2.7</h2>
+<h2><a id="wasi_sockets_instance_network_0_2_8"></a>Import interface wasi:sockets/instance-network@0.2.8</h2>
 <p>This interface provides a value-export of the default network handle..</p>
 <hr />
 <h3>Types</h3>
 <h4><a id="network"></a><code>type network</code></h4>
 <p><a href="#network"><a href="#network"><code>network</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="instance_network"></a><code>instance-network: func</code></h4>
 <p>Get a handle to the default network.</p>
@@ -1868,25 +1872,25 @@ errors are network-related errors.</p>
 <ul>
 <li><a id="instance_network.0"></a> own&lt;<a href="#network"><a href="#network"><code>network</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_sockets_udp_0_2_7"></a>Import interface wasi:sockets/udp@0.2.7</h2>
+<h2><a id="wasi_sockets_udp_0_2_8"></a>Import interface wasi:sockets/udp@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="pollable"></a><code>type pollable</code></h4>
 <p><a href="#pollable"><a href="#pollable"><code>pollable</code></a></a></p>
 <p>
-#### <a id="network"></a>`type network`
-[`network`](#network)
+<h4><a id="network"></a><code>type network</code></h4>
+<p><a href="#network"><a href="#network"><code>network</code></a></a></p>
 <p>
-#### <a id="error_code"></a>`type error-code`
-[`error-code`](#error_code)
+<h4><a id="error_code"></a><code>type error-code</code></h4>
+<p><a href="#error_code"><a href="#error_code"><code>error-code</code></a></a></p>
 <p>
-#### <a id="ip_socket_address"></a>`type ip-socket-address`
-[`ip-socket-address`](#ip_socket_address)
+<h4><a id="ip_socket_address"></a><code>type ip-socket-address</code></h4>
+<p><a href="#ip_socket_address"><a href="#ip_socket_address"><code>ip-socket-address</code></a></a></p>
 <p>
-#### <a id="ip_address_family"></a>`type ip-address-family`
-[`ip-address-family`](#ip_address_family)
+<h4><a id="ip_address_family"></a><code>type ip-address-family</code></h4>
+<p><a href="#ip_address_family"><a href="#ip_address_family"><code>ip-address-family</code></a></a></p>
 <p>
-#### <a id="incoming_datagram"></a>`record incoming-datagram`
+<h4><a id="incoming_datagram"></a><code>record incoming-datagram</code></h4>
 <p>A received datagram.</p>
 <h5>Record Fields</h5>
 <ul>
@@ -2282,22 +2286,22 @@ It's planned to be removed when <code>future</code> is natively supported in Pre
 <ul>
 <li><a id="method_outgoing_datagram_stream_subscribe.0"></a> own&lt;<a href="#pollable"><a href="#pollable"><code>pollable</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_sockets_udp_create_socket_0_2_7"></a>Import interface wasi:sockets/udp-create-socket@0.2.7</h2>
+<h2><a id="wasi_sockets_udp_create_socket_0_2_8"></a>Import interface wasi:sockets/udp-create-socket@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="network"></a><code>type network</code></h4>
 <p><a href="#network"><a href="#network"><code>network</code></a></a></p>
 <p>
-#### <a id="error_code"></a>`type error-code`
-[`error-code`](#error_code)
+<h4><a id="error_code"></a><code>type error-code</code></h4>
+<p><a href="#error_code"><a href="#error_code"><code>error-code</code></a></a></p>
 <p>
-#### <a id="ip_address_family"></a>`type ip-address-family`
-[`ip-address-family`](#ip_address_family)
+<h4><a id="ip_address_family"></a><code>type ip-address-family</code></h4>
+<p><a href="#ip_address_family"><a href="#ip_address_family"><code>ip-address-family</code></a></a></p>
 <p>
-#### <a id="udp_socket"></a>`type udp-socket`
-[`udp-socket`](#udp_socket)
+<h4><a id="udp_socket"></a><code>type udp-socket</code></h4>
+<p><a href="#udp_socket"><a href="#udp_socket"><code>udp-socket</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="create_udp_socket"></a><code>create-udp-socket: func</code></h4>
 <p>Create a new UDP socket.</p>
@@ -2327,34 +2331,34 @@ the socket is effectively an in-memory configuration object, unable to communica
 <ul>
 <li><a id="create_udp_socket.0"></a> result&lt;own&lt;<a href="#udp_socket"><a href="#udp_socket"><code>udp-socket</code></a></a>&gt;, <a href="#error_code"><a href="#error_code"><code>error-code</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_sockets_tcp_0_2_7"></a>Import interface wasi:sockets/tcp@0.2.7</h2>
+<h2><a id="wasi_sockets_tcp_0_2_8"></a>Import interface wasi:sockets/tcp@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="input_stream"></a><code>type input-stream</code></h4>
 <p><a href="#input_stream"><a href="#input_stream"><code>input-stream</code></a></a></p>
 <p>
-#### <a id="output_stream"></a>`type output-stream`
-[`output-stream`](#output_stream)
+<h4><a id="output_stream"></a><code>type output-stream</code></h4>
+<p><a href="#output_stream"><a href="#output_stream"><code>output-stream</code></a></a></p>
 <p>
-#### <a id="pollable"></a>`type pollable`
-[`pollable`](#pollable)
+<h4><a id="pollable"></a><code>type pollable</code></h4>
+<p><a href="#pollable"><a href="#pollable"><code>pollable</code></a></a></p>
 <p>
-#### <a id="duration"></a>`type duration`
-[`duration`](#duration)
+<h4><a id="duration"></a><code>type duration</code></h4>
+<p><a href="#duration"><a href="#duration"><code>duration</code></a></a></p>
 <p>
-#### <a id="network"></a>`type network`
-[`network`](#network)
+<h4><a id="network"></a><code>type network</code></h4>
+<p><a href="#network"><a href="#network"><code>network</code></a></a></p>
 <p>
-#### <a id="error_code"></a>`type error-code`
-[`error-code`](#error_code)
+<h4><a id="error_code"></a><code>type error-code</code></h4>
+<p><a href="#error_code"><a href="#error_code"><code>error-code</code></a></a></p>
 <p>
-#### <a id="ip_socket_address"></a>`type ip-socket-address`
-[`ip-socket-address`](#ip_socket_address)
+<h4><a id="ip_socket_address"></a><code>type ip-socket-address</code></h4>
+<p><a href="#ip_socket_address"><a href="#ip_socket_address"><code>ip-socket-address</code></a></a></p>
 <p>
-#### <a id="ip_address_family"></a>`type ip-address-family`
-[`ip-address-family`](#ip_address_family)
+<h4><a id="ip_address_family"></a><code>type ip-address-family</code></h4>
+<p><a href="#ip_address_family"><a href="#ip_address_family"><code>ip-address-family</code></a></a></p>
 <p>
-#### <a id="shutdown_type"></a>`enum shutdown-type`
+<h4><a id="shutdown_type"></a><code>enum shutdown-type</code></h4>
 <h5>Enum Cases</h5>
 <ul>
 <li>
@@ -2918,22 +2922,22 @@ has no effect and returns <code>ok</code>.</p>
 <ul>
 <li><a id="method_tcp_socket_shutdown.0"></a> result&lt;_, <a href="#error_code"><a href="#error_code"><code>error-code</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_sockets_tcp_create_socket_0_2_7"></a>Import interface wasi:sockets/tcp-create-socket@0.2.7</h2>
+<h2><a id="wasi_sockets_tcp_create_socket_0_2_8"></a>Import interface wasi:sockets/tcp-create-socket@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="network"></a><code>type network</code></h4>
 <p><a href="#network"><a href="#network"><code>network</code></a></a></p>
 <p>
-#### <a id="error_code"></a>`type error-code`
-[`error-code`](#error_code)
+<h4><a id="error_code"></a><code>type error-code</code></h4>
+<p><a href="#error_code"><a href="#error_code"><code>error-code</code></a></a></p>
 <p>
-#### <a id="ip_address_family"></a>`type ip-address-family`
-[`ip-address-family`](#ip_address_family)
+<h4><a id="ip_address_family"></a><code>type ip-address-family</code></h4>
+<p><a href="#ip_address_family"><a href="#ip_address_family"><code>ip-address-family</code></a></a></p>
 <p>
-#### <a id="tcp_socket"></a>`type tcp-socket`
-[`tcp-socket`](#tcp_socket)
+<h4><a id="tcp_socket"></a><code>type tcp-socket</code></h4>
+<p><a href="#tcp_socket"><a href="#tcp_socket"><code>tcp-socket</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="create_tcp_socket"></a><code>create-tcp-socket: func</code></h4>
 <p>Create a new TCP socket.</p>
@@ -2963,22 +2967,22 @@ is called, the socket is effectively an in-memory configuration object, unable t
 <ul>
 <li><a id="create_tcp_socket.0"></a> result&lt;own&lt;<a href="#tcp_socket"><a href="#tcp_socket"><code>tcp-socket</code></a></a>&gt;, <a href="#error_code"><a href="#error_code"><code>error-code</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_sockets_ip_name_lookup_0_2_7"></a>Import interface wasi:sockets/ip-name-lookup@0.2.7</h2>
+<h2><a id="wasi_sockets_ip_name_lookup_0_2_8"></a>Import interface wasi:sockets/ip-name-lookup@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="pollable"></a><code>type pollable</code></h4>
 <p><a href="#pollable"><a href="#pollable"><code>pollable</code></a></a></p>
 <p>
-#### <a id="network"></a>`type network`
-[`network`](#network)
+<h4><a id="network"></a><code>type network</code></h4>
+<p><a href="#network"><a href="#network"><code>network</code></a></a></p>
 <p>
-#### <a id="error_code"></a>`type error-code`
-[`error-code`](#error_code)
+<h4><a id="error_code"></a><code>type error-code</code></h4>
+<p><a href="#error_code"><a href="#error_code"><code>error-code</code></a></a></p>
 <p>
-#### <a id="ip_address"></a>`type ip-address`
-[`ip-address`](#ip_address)
+<h4><a id="ip_address"></a><code>type ip-address</code></h4>
+<p><a href="#ip_address"><a href="#ip_address"><code>ip-address</code></a></a></p>
 <p>
-#### <a id="resolve_address_stream"></a>`resource resolve-address-stream`
+<h4><a id="resolve_address_stream"></a><code>resource resolve-address-stream</code></h4>
 <hr />
 <h3>Functions</h3>
 <h4><a id="resolve_addresses"></a><code>resolve-addresses: func</code></h4>
@@ -3043,7 +3047,7 @@ It's planned to be removed when <code>future</code> is natively supported in Pre
 <ul>
 <li><a id="method_resolve_address_stream_subscribe.0"></a> own&lt;<a href="#pollable"><a href="#pollable"><code>pollable</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_random_random_0_2_7"></a>Import interface wasi:random/random@0.2.7</h2>
+<h2><a id="wasi_random_random_0_2_8"></a>Import interface wasi:random/random@0.2.8</h2>
 <p>WASI Random is a random data API.</p>
 <p>It is intended to be portable at least between Unix-family platforms and
 Windows.</p>
@@ -3076,7 +3080,7 @@ represented as a <code>u64</code>.</p>
 <ul>
 <li><a id="get_random_u64.0"></a> <code>u64</code></li>
 </ul>
-<h2><a id="wasi_random_insecure_0_2_7"></a>Import interface wasi:random/insecure@0.2.7</h2>
+<h2><a id="wasi_random_insecure_0_2_8"></a>Import interface wasi:random/insecure@0.2.8</h2>
 <p>The insecure interface for insecure pseudo-random numbers.</p>
 <p>It is intended to be portable at least between Unix-family platforms and
 Windows.</p>
@@ -3105,7 +3109,7 @@ a long period.</p>
 <ul>
 <li><a id="get_insecure_random_u64.0"></a> <code>u64</code></li>
 </ul>
-<h2><a id="wasi_random_insecure_seed_0_2_7"></a>Import interface wasi:random/insecure-seed@0.2.7</h2>
+<h2><a id="wasi_random_insecure_seed_0_2_8"></a>Import interface wasi:random/insecure-seed@0.2.8</h2>
 <p>The insecure-seed interface for seeding hash-map DoS resistance.</p>
 <p>It is intended to be portable at least between Unix-family platforms and
 Windows.</p>
@@ -3129,7 +3133,7 @@ protection.</p>
 <ul>
 <li><a id="insecure_seed.0"></a> (<code>u64</code>, <code>u64</code>)</li>
 </ul>
-<h2><a id="wasi_cli_run_0_2_7"></a>Export interface wasi:cli/run@0.2.7</h2>
+<h2><a id="wasi_cli_run_0_2_8"></a>Export interface wasi:cli/run@0.2.8</h2>
 <hr />
 <h3>Functions</h3>
 <h4><a id="run"></a><code>run: func</code></h4>
diff --git a/imports.md b/imports.md
index 3aee65f..b23b099 100644
--- a/imports.md
+++ b/imports.md
@@ -2,38 +2,38 @@
 <ul>
 <li>Imports:
 <ul>
-<li>interface <a href="#wasi_cli_environment_0_2_7"><code>wasi:cli/environment@0.2.7</code></a></li>
-<li>interface <a href="#wasi_cli_exit_0_2_7"><code>wasi:cli/exit@0.2.7</code></a></li>
-<li>interface <a href="#wasi_io_error_0_2_7"><code>wasi:io/error@0.2.7</code></a></li>
-<li>interface <a href="#wasi_io_poll_0_2_7"><code>wasi:io/poll@0.2.7</code></a></li>
-<li>interface <a href="#wasi_io_streams_0_2_7"><code>wasi:io/streams@0.2.7</code></a></li>
-<li>interface <a href="#wasi_cli_stdin_0_2_7"><code>wasi:cli/stdin@0.2.7</code></a></li>
-<li>interface <a href="#wasi_cli_stdout_0_2_7"><code>wasi:cli/stdout@0.2.7</code></a></li>
-<li>interface <a href="#wasi_cli_stderr_0_2_7"><code>wasi:cli/stderr@0.2.7</code></a></li>
-<li>interface <a href="#wasi_cli_terminal_input_0_2_7"><code>wasi:cli/terminal-input@0.2.7</code></a></li>
-<li>interface <a href="#wasi_cli_terminal_output_0_2_7"><code>wasi:cli/terminal-output@0.2.7</code></a></li>
-<li>interface <a href="#wasi_cli_terminal_stdin_0_2_7"><code>wasi:cli/terminal-stdin@0.2.7</code></a></li>
-<li>interface <a href="#wasi_cli_terminal_stdout_0_2_7"><code>wasi:cli/terminal-stdout@0.2.7</code></a></li>
-<li>interface <a href="#wasi_cli_terminal_stderr_0_2_7"><code>wasi:cli/terminal-stderr@0.2.7</code></a></li>
-<li>interface <a href="#wasi_clocks_monotonic_clock_0_2_7"><code>wasi:clocks/monotonic-clock@0.2.7</code></a></li>
-<li>interface <a href="#wasi_clocks_wall_clock_0_2_7"><code>wasi:clocks/wall-clock@0.2.7</code></a></li>
-<li>interface <a href="#wasi_clocks_timezone_0_2_7"><code>wasi:clocks/timezone@0.2.7</code></a></li>
-<li>interface <a href="#wasi_filesystem_types_0_2_7"><code>wasi:filesystem/types@0.2.7</code></a></li>
-<li>interface <a href="#wasi_filesystem_preopens_0_2_7"><code>wasi:filesystem/preopens@0.2.7</code></a></li>
-<li>interface <a href="#wasi_sockets_network_0_2_7"><code>wasi:sockets/network@0.2.7</code></a></li>
-<li>interface <a href="#wasi_sockets_instance_network_0_2_7"><code>wasi:sockets/instance-network@0.2.7</code></a></li>
-<li>interface <a href="#wasi_sockets_udp_0_2_7"><code>wasi:sockets/udp@0.2.7</code></a></li>
-<li>interface <a href="#wasi_sockets_udp_create_socket_0_2_7"><code>wasi:sockets/udp-create-socket@0.2.7</code></a></li>
-<li>interface <a href="#wasi_sockets_tcp_0_2_7"><code>wasi:sockets/tcp@0.2.7</code></a></li>
-<li>interface <a href="#wasi_sockets_tcp_create_socket_0_2_7"><code>wasi:sockets/tcp-create-socket@0.2.7</code></a></li>
-<li>interface <a href="#wasi_sockets_ip_name_lookup_0_2_7"><code>wasi:sockets/ip-name-lookup@0.2.7</code></a></li>
-<li>interface <a href="#wasi_random_random_0_2_7"><code>wasi:random/random@0.2.7</code></a></li>
-<li>interface <a href="#wasi_random_insecure_0_2_7"><code>wasi:random/insecure@0.2.7</code></a></li>
-<li>interface <a href="#wasi_random_insecure_seed_0_2_7"><code>wasi:random/insecure-seed@0.2.7</code></a></li>
-</ul>
-</li>
-</ul>
-<h2><a id="wasi_cli_environment_0_2_7"></a>Import interface wasi:cli/environment@0.2.7</h2>
+<li>interface <a href="#wasi_cli_environment_0_2_8"><code>wasi:cli/environment@0.2.8</code></a></li>
+<li>interface <a href="#wasi_cli_exit_0_2_8"><code>wasi:cli/exit@0.2.8</code></a></li>
+<li>interface <a href="#wasi_io_error_0_2_8"><code>wasi:io/error@0.2.8</code></a></li>
+<li>interface <a href="#wasi_io_poll_0_2_8"><code>wasi:io/poll@0.2.8</code></a></li>
+<li>interface <a href="#wasi_io_streams_0_2_8"><code>wasi:io/streams@0.2.8</code></a></li>
+<li>interface <a href="#wasi_cli_stdin_0_2_8"><code>wasi:cli/stdin@0.2.8</code></a></li>
+<li>interface <a href="#wasi_cli_stdout_0_2_8"><code>wasi:cli/stdout@0.2.8</code></a></li>
+<li>interface <a href="#wasi_cli_stderr_0_2_8"><code>wasi:cli/stderr@0.2.8</code></a></li>
+<li>interface <a href="#wasi_cli_terminal_input_0_2_8"><code>wasi:cli/terminal-input@0.2.8</code></a></li>
+<li>interface <a href="#wasi_cli_terminal_output_0_2_8"><code>wasi:cli/terminal-output@0.2.8</code></a></li>
+<li>interface <a href="#wasi_cli_terminal_stdin_0_2_8"><code>wasi:cli/terminal-stdin@0.2.8</code></a></li>
+<li>interface <a href="#wasi_cli_terminal_stdout_0_2_8"><code>wasi:cli/terminal-stdout@0.2.8</code></a></li>
+<li>interface <a href="#wasi_cli_terminal_stderr_0_2_8"><code>wasi:cli/terminal-stderr@0.2.8</code></a></li>
+<li>interface <a href="#wasi_clocks_monotonic_clock_0_2_8"><code>wasi:clocks/monotonic-clock@0.2.8</code></a></li>
+<li>interface <a href="#wasi_clocks_wall_clock_0_2_8"><code>wasi:clocks/wall-clock@0.2.8</code></a></li>
+<li>interface <a href="#wasi_clocks_timezone_0_2_8"><code>wasi:clocks/timezone@0.2.8</code></a></li>
+<li>interface <a href="#wasi_filesystem_types_0_2_8"><code>wasi:filesystem/types@0.2.8</code></a></li>
+<li>interface <a href="#wasi_filesystem_preopens_0_2_8"><code>wasi:filesystem/preopens@0.2.8</code></a></li>
+<li>interface <a href="#wasi_sockets_network_0_2_8"><code>wasi:sockets/network@0.2.8</code></a></li>
+<li>interface <a href="#wasi_sockets_instance_network_0_2_8"><code>wasi:sockets/instance-network@0.2.8</code></a></li>
+<li>interface <a href="#wasi_sockets_udp_0_2_8"><code>wasi:sockets/udp@0.2.8</code></a></li>
+<li>interface <a href="#wasi_sockets_udp_create_socket_0_2_8"><code>wasi:sockets/udp-create-socket@0.2.8</code></a></li>
+<li>interface <a href="#wasi_sockets_tcp_0_2_8"><code>wasi:sockets/tcp@0.2.8</code></a></li>
+<li>interface <a href="#wasi_sockets_tcp_create_socket_0_2_8"><code>wasi:sockets/tcp-create-socket@0.2.8</code></a></li>
+<li>interface <a href="#wasi_sockets_ip_name_lookup_0_2_8"><code>wasi:sockets/ip-name-lookup@0.2.8</code></a></li>
+<li>interface <a href="#wasi_random_random_0_2_8"><code>wasi:random/random@0.2.8</code></a></li>
+<li>interface <a href="#wasi_random_insecure_0_2_8"><code>wasi:random/insecure@0.2.8</code></a></li>
+<li>interface <a href="#wasi_random_insecure_seed_0_2_8"><code>wasi:random/insecure-seed@0.2.8</code></a></li>
+</ul>
+</li>
+</ul>
+<h2><a id="wasi_cli_environment_0_2_8"></a>Import interface wasi:cli/environment@0.2.8</h2>
 <hr />
 <h3>Functions</h3>
 <h4><a id="get_environment"></a><code>get-environment: func</code></h4>
@@ -60,7 +60,7 @@ directory, interpreting <code>.</code> as shorthand for this.</p>
 <ul>
 <li><a id="initial_cwd.0"></a> option&lt;<code>string</code>&gt;</li>
 </ul>
-<h2><a id="wasi_cli_exit_0_2_7"></a>Import interface wasi:cli/exit@0.2.7</h2>
+<h2><a id="wasi_cli_exit_0_2_8"></a>Import interface wasi:cli/exit@0.2.8</h2>
 <hr />
 <h3>Functions</h3>
 <h4><a id="exit"></a><code>exit: func</code></h4>
@@ -80,7 +80,7 @@ without the connotation that something bad has happened.</p>
 <ul>
 <li><a id="exit_with_code.status_code"></a><code>status-code</code>: <code>u8</code></li>
 </ul>
-<h2><a id="wasi_io_error_0_2_7"></a>Import interface wasi:io/error@0.2.7</h2>
+<h2><a id="wasi_io_error_0_2_8"></a>Import interface wasi:io/error@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="error"></a><code>resource error</code></h4>
@@ -113,7 +113,7 @@ hazard.</p>
 <ul>
 <li><a id="method_error_to_debug_string.0"></a> <code>string</code></li>
 </ul>
-<h2><a id="wasi_io_poll_0_2_7"></a>Import interface wasi:io/poll@0.2.7</h2>
+<h2><a id="wasi_io_poll_0_2_8"></a>Import interface wasi:io/poll@0.2.8</h2>
 <p>A poll API intended to let users wait for I/O events on multiple handles
 at once.</p>
 <hr />
@@ -166,7 +166,7 @@ being ready for I/O.</p>
 <ul>
 <li><a id="poll.0"></a> list&lt;<code>u32</code>&gt;</li>
 </ul>
-<h2><a id="wasi_io_streams_0_2_7"></a>Import interface wasi:io/streams@0.2.7</h2>
+<h2><a id="wasi_io_streams_0_2_8"></a>Import interface wasi:io/streams@0.2.8</h2>
 <p>WASI I/O is an I/O abstraction API which is currently focused on providing
 stream types.</p>
 <p>In the future, the component model is expected to add built-in stream types;
@@ -176,10 +176,10 @@ when it does, they are expected to subsume this API.</p>
 <h4><a id="error"></a><code>type error</code></h4>
 <p><a href="#error"><a href="#error"><code>error</code></a></a></p>
 <p>
-#### <a id="pollable"></a>`type pollable`
-[`pollable`](#pollable)
+<h4><a id="pollable"></a><code>type pollable</code></h4>
+<p><a href="#pollable"><a href="#pollable"><code>pollable</code></a></a></p>
 <p>
-#### <a id="stream_error"></a>`variant stream-error`
+<h4><a id="stream_error"></a><code>variant stream-error</code></h4>
 <p>An error for input-stream and output-stream operations.</p>
 <h5>Variant Cases</h5>
 <ul>
@@ -468,46 +468,46 @@ is ready for reading, before performing the <code>splice</code>.</p>
 <ul>
 <li><a id="method_output_stream_blocking_splice.0"></a> result&lt;<code>u64</code>, <a href="#stream_error"><a href="#stream_error"><code>stream-error</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_cli_stdin_0_2_7"></a>Import interface wasi:cli/stdin@0.2.7</h2>
+<h2><a id="wasi_cli_stdin_0_2_8"></a>Import interface wasi:cli/stdin@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="input_stream"></a><code>type input-stream</code></h4>
 <p><a href="#input_stream"><a href="#input_stream"><code>input-stream</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="get_stdin"></a><code>get-stdin: func</code></h4>
 <h5>Return values</h5>
 <ul>
 <li><a id="get_stdin.0"></a> own&lt;<a href="#input_stream"><a href="#input_stream"><code>input-stream</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_cli_stdout_0_2_7"></a>Import interface wasi:cli/stdout@0.2.7</h2>
+<h2><a id="wasi_cli_stdout_0_2_8"></a>Import interface wasi:cli/stdout@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="output_stream"></a><code>type output-stream</code></h4>
 <p><a href="#output_stream"><a href="#output_stream"><code>output-stream</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="get_stdout"></a><code>get-stdout: func</code></h4>
 <h5>Return values</h5>
 <ul>
 <li><a id="get_stdout.0"></a> own&lt;<a href="#output_stream"><a href="#output_stream"><code>output-stream</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_cli_stderr_0_2_7"></a>Import interface wasi:cli/stderr@0.2.7</h2>
+<h2><a id="wasi_cli_stderr_0_2_8"></a>Import interface wasi:cli/stderr@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="output_stream"></a><code>type output-stream</code></h4>
 <p><a href="#output_stream"><a href="#output_stream"><code>output-stream</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="get_stderr"></a><code>get-stderr: func</code></h4>
 <h5>Return values</h5>
 <ul>
 <li><a id="get_stderr.0"></a> own&lt;<a href="#output_stream"><a href="#output_stream"><code>output-stream</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_cli_terminal_input_0_2_7"></a>Import interface wasi:cli/terminal-input@0.2.7</h2>
+<h2><a id="wasi_cli_terminal_input_0_2_8"></a>Import interface wasi:cli/terminal-input@0.2.8</h2>
 <p>Terminal input.</p>
 <p>In the future, this may include functions for disabling echoing,
 disabling input buffering so that keyboard events are sent through
@@ -516,7 +516,7 @@ immediately, querying supported features, and so on.</p>
 <h3>Types</h3>
 <h4><a id="terminal_input"></a><code>resource terminal-input</code></h4>
 <p>The input side of a terminal.</p>
-<h2><a id="wasi_cli_terminal_output_0_2_7"></a>Import interface wasi:cli/terminal-output@0.2.7</h2>
+<h2><a id="wasi_cli_terminal_output_0_2_8"></a>Import interface wasi:cli/terminal-output@0.2.8</h2>
 <p>Terminal output.</p>
 <p>In the future, this may include functions for querying the terminal
 size, being notified of terminal size changes, querying supported
@@ -525,7 +525,7 @@ features, and so on.</p>
 <h3>Types</h3>
 <h4><a id="terminal_output"></a><code>resource terminal-output</code></h4>
 <p>The output side of a terminal.</p>
-<h2><a id="wasi_cli_terminal_stdin_0_2_7"></a>Import interface wasi:cli/terminal-stdin@0.2.7</h2>
+<h2><a id="wasi_cli_terminal_stdin_0_2_8"></a>Import interface wasi:cli/terminal-stdin@0.2.8</h2>
 <p>An interface providing an optional <a href="#terminal_input"><code>terminal-input</code></a> for stdin as a
 link-time authority.</p>
 <hr />
@@ -533,7 +533,7 @@ link-time authority.</p>
 <h4><a id="terminal_input"></a><code>type terminal-input</code></h4>
 <p><a href="#terminal_input"><a href="#terminal_input"><code>terminal-input</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="get_terminal_stdin"></a><code>get-terminal-stdin: func</code></h4>
 <p>If stdin is connected to a terminal, return a <a href="#terminal_input"><code>terminal-input</code></a> handle
@@ -542,7 +542,7 @@ allowing further interaction with it.</p>
 <ul>
 <li><a id="get_terminal_stdin.0"></a> option&lt;own&lt;<a href="#terminal_input"><a href="#terminal_input"><code>terminal-input</code></a></a>&gt;&gt;</li>
 </ul>
-<h2><a id="wasi_cli_terminal_stdout_0_2_7"></a>Import interface wasi:cli/terminal-stdout@0.2.7</h2>
+<h2><a id="wasi_cli_terminal_stdout_0_2_8"></a>Import interface wasi:cli/terminal-stdout@0.2.8</h2>
 <p>An interface providing an optional <a href="#terminal_output"><code>terminal-output</code></a> for stdout as a
 link-time authority.</p>
 <hr />
@@ -550,7 +550,7 @@ link-time authority.</p>
 <h4><a id="terminal_output"></a><code>type terminal-output</code></h4>
 <p><a href="#terminal_output"><a href="#terminal_output"><code>terminal-output</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="get_terminal_stdout"></a><code>get-terminal-stdout: func</code></h4>
 <p>If stdout is connected to a terminal, return a <a href="#terminal_output"><code>terminal-output</code></a> handle
@@ -559,7 +559,7 @@ allowing further interaction with it.</p>
 <ul>
 <li><a id="get_terminal_stdout.0"></a> option&lt;own&lt;<a href="#terminal_output"><a href="#terminal_output"><code>terminal-output</code></a></a>&gt;&gt;</li>
 </ul>
-<h2><a id="wasi_cli_terminal_stderr_0_2_7"></a>Import interface wasi:cli/terminal-stderr@0.2.7</h2>
+<h2><a id="wasi_cli_terminal_stderr_0_2_8"></a>Import interface wasi:cli/terminal-stderr@0.2.8</h2>
 <p>An interface providing an optional <a href="#terminal_output"><code>terminal-output</code></a> for stderr as a
 link-time authority.</p>
 <hr />
@@ -567,7 +567,7 @@ link-time authority.</p>
 <h4><a id="terminal_output"></a><code>type terminal-output</code></h4>
 <p><a href="#terminal_output"><a href="#terminal_output"><code>terminal-output</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="get_terminal_stderr"></a><code>get-terminal-stderr: func</code></h4>
 <p>If stderr is connected to a terminal, return a <a href="#terminal_output"><code>terminal-output</code></a> handle
@@ -576,7 +576,7 @@ allowing further interaction with it.</p>
 <ul>
 <li><a id="get_terminal_stderr.0"></a> option&lt;own&lt;<a href="#terminal_output"><a href="#terminal_output"><code>terminal-output</code></a></a>&gt;&gt;</li>
 </ul>
-<h2><a id="wasi_clocks_monotonic_clock_0_2_7"></a>Import interface wasi:clocks/monotonic-clock@0.2.7</h2>
+<h2><a id="wasi_clocks_monotonic_clock_0_2_8"></a>Import interface wasi:clocks/monotonic-clock@0.2.8</h2>
 <p>WASI Monotonic Clock is a clock API intended to let users measure elapsed
 time.</p>
 <p>It is intended to be portable at least between Unix-family platforms and
@@ -588,8 +588,8 @@ successive reads of the clock will produce non-decreasing values.</p>
 <h4><a id="pollable"></a><code>type pollable</code></h4>
 <p><a href="#pollable"><a href="#pollable"><code>pollable</code></a></a></p>
 <p>
-#### <a id="instant"></a>`type instant`
-`u64`
+<h4><a id="instant"></a><code>type instant</code></h4>
+<p><code>u64</code></p>
 <p>An instant in time, in nanoseconds. An instant is relative to an
 unspecified initial value, and can only be compared to instances from
 the same monotonic-clock.
@@ -602,6 +602,10 @@ the same monotonic-clock.
 <p>Read the current value of the clock.</p>
 <p>The clock is monotonic, therefore calling this function repeatedly will
 produce a sequence of non-decreasing values.</p>
+<p>For completeness, this function traps if it's not possible to represent
+the value of the clock in an <a href="#instant"><code>instant</code></a>. Consequently, implementations
+should ensure that the starting time is low enough to avoid the
+possibility of overflow in practice.</p>
 <h5>Return values</h5>
 <ul>
 <li><a id="now.0"></a> <a href="#instant"><a href="#instant"><code>instant</code></a></a></li>
@@ -635,7 +639,7 @@ elapsed from the time this function is invoked.</p>
 <ul>
 <li><a id="subscribe_duration.0"></a> own&lt;<a href="#pollable"><a href="#pollable"><code>pollable</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_clocks_wall_clock_0_2_7"></a>Import interface wasi:clocks/wall-clock@0.2.7</h2>
+<h2><a id="wasi_clocks_wall_clock_0_2_8"></a>Import interface wasi:clocks/wall-clock@0.2.8</h2>
 <p>WASI Wall Clock is a clock API intended to let users query the current
 time. The name &quot;wall&quot; makes an analogy to a &quot;clock on the wall&quot;, which
 is not necessarily monotonic as it may be reset.</p>
@@ -676,13 +680,13 @@ also known as <a href="https://en.wikipedia.org/wiki/Unix_time">Unix Time</a>.</
 <ul>
 <li><a id="resolution.0"></a> <a href="#datetime"><a href="#datetime"><code>datetime</code></a></a></li>
 </ul>
-<h2><a id="wasi_clocks_timezone_0_2_7"></a>Import interface wasi:clocks/timezone@0.2.7</h2>
+<h2><a id="wasi_clocks_timezone_0_2_8"></a>Import interface wasi:clocks/timezone@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="datetime"></a><code>type datetime</code></h4>
 <p><a href="#datetime"><a href="#datetime"><code>datetime</code></a></a></p>
 <p>
-#### <a id="timezone_display"></a>`record timezone-display`
+<h4><a id="timezone_display"></a><code>record timezone-display</code></h4>
 <p>Information useful for displaying the timezone of a specific <a href="#datetime"><code>datetime</code></a>.</p>
 <p>This information may vary within a single <code>timezone</code> to reflect daylight
 saving time adjustments.</p>
@@ -741,7 +745,7 @@ saving time.</p>
 <ul>
 <li><a id="utc_offset.0"></a> <code>s32</code></li>
 </ul>
-<h2><a id="wasi_filesystem_types_0_2_7"></a>Import interface wasi:filesystem/types@0.2.7</h2>
+<h2><a id="wasi_filesystem_types_0_2_8"></a>Import interface wasi:filesystem/types@0.2.8</h2>
 <p>WASI filesystem is a filesystem API primarily intended to let users run WASI
 programs that access their files on their existing filesystems, without
 significant overhead.</p>
@@ -764,17 +768,17 @@ underlying filesystem, the function fails with <a href="#error_code.not_permitte
 <h4><a id="input_stream"></a><code>type input-stream</code></h4>
 <p><a href="#input_stream"><a href="#input_stream"><code>input-stream</code></a></a></p>
 <p>
-#### <a id="output_stream"></a>`type output-stream`
-[`output-stream`](#output_stream)
+<h4><a id="output_stream"></a><code>type output-stream</code></h4>
+<p><a href="#output_stream"><a href="#output_stream"><code>output-stream</code></a></a></p>
 <p>
-#### <a id="error"></a>`type error`
-[`error`](#error)
+<h4><a id="error"></a><code>type error</code></h4>
+<p><a href="#error"><a href="#error"><code>error</code></a></a></p>
 <p>
-#### <a id="datetime"></a>`type datetime`
-[`datetime`](#datetime)
+<h4><a id="datetime"></a><code>type datetime</code></h4>
+<p><a href="#datetime"><a href="#datetime"><code>datetime</code></a></a></p>
 <p>
-#### <a id="filesize"></a>`type filesize`
-`u64`
+<h4><a id="filesize"></a><code>type filesize</code></h4>
+<p><code>u64</code></p>
 <p>File size or length of a region within a file.
 <h4><a id="descriptor_type"></a><code>enum descriptor-type</code></h4>
 <p>The type of a filesystem object referenced by a descriptor.</p>
@@ -1619,13 +1623,13 @@ errors are filesystem-related errors.</p>
 <ul>
 <li><a id="filesystem_error_code.0"></a> option&lt;<a href="#error_code"><a href="#error_code"><code>error-code</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_filesystem_preopens_0_2_7"></a>Import interface wasi:filesystem/preopens@0.2.7</h2>
+<h2><a id="wasi_filesystem_preopens_0_2_8"></a>Import interface wasi:filesystem/preopens@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="descriptor"></a><code>type descriptor</code></h4>
 <p><a href="#descriptor"><a href="#descriptor"><code>descriptor</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="get_directories"></a><code>get-directories: func</code></h4>
 <p>Return the set of preopened directories, and their paths.</p>
@@ -1633,13 +1637,13 @@ errors are filesystem-related errors.</p>
 <ul>
 <li><a id="get_directories.0"></a> list&lt;(own&lt;<a href="#descriptor"><a href="#descriptor"><code>descriptor</code></a></a>&gt;, <code>string</code>)&gt;</li>
 </ul>
-<h2><a id="wasi_sockets_network_0_2_7"></a>Import interface wasi:sockets/network@0.2.7</h2>
+<h2><a id="wasi_sockets_network_0_2_8"></a>Import interface wasi:sockets/network@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="error"></a><code>type error</code></h4>
 <p><a href="#error"><a href="#error"><code>error</code></a></a></p>
 <p>
-#### <a id="network"></a>`resource network`
+<h4><a id="network"></a><code>resource network</code></h4>
 <p>An opaque resource that represents access to (a subset of) the network.
 This enables context-based security for networking.
 There is no need for this to map 1:1 to a physical network interface.</p>
@@ -1848,14 +1852,14 @@ errors are network-related errors.</p>
 <ul>
 <li><a id="network_error_code.0"></a> option&lt;<a href="#error_code"><a href="#error_code"><code>error-code</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_sockets_instance_network_0_2_7"></a>Import interface wasi:sockets/instance-network@0.2.7</h2>
+<h2><a id="wasi_sockets_instance_network_0_2_8"></a>Import interface wasi:sockets/instance-network@0.2.8</h2>
 <p>This interface provides a value-export of the default network handle..</p>
 <hr />
 <h3>Types</h3>
 <h4><a id="network"></a><code>type network</code></h4>
 <p><a href="#network"><a href="#network"><code>network</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="instance_network"></a><code>instance-network: func</code></h4>
 <p>Get a handle to the default network.</p>
@@ -1863,25 +1867,25 @@ errors are network-related errors.</p>
 <ul>
 <li><a id="instance_network.0"></a> own&lt;<a href="#network"><a href="#network"><code>network</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_sockets_udp_0_2_7"></a>Import interface wasi:sockets/udp@0.2.7</h2>
+<h2><a id="wasi_sockets_udp_0_2_8"></a>Import interface wasi:sockets/udp@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="pollable"></a><code>type pollable</code></h4>
 <p><a href="#pollable"><a href="#pollable"><code>pollable</code></a></a></p>
 <p>
-#### <a id="network"></a>`type network`
-[`network`](#network)
+<h4><a id="network"></a><code>type network</code></h4>
+<p><a href="#network"><a href="#network"><code>network</code></a></a></p>
 <p>
-#### <a id="error_code"></a>`type error-code`
-[`error-code`](#error_code)
+<h4><a id="error_code"></a><code>type error-code</code></h4>
+<p><a href="#error_code"><a href="#error_code"><code>error-code</code></a></a></p>
 <p>
-#### <a id="ip_socket_address"></a>`type ip-socket-address`
-[`ip-socket-address`](#ip_socket_address)
+<h4><a id="ip_socket_address"></a><code>type ip-socket-address</code></h4>
+<p><a href="#ip_socket_address"><a href="#ip_socket_address"><code>ip-socket-address</code></a></a></p>
 <p>
-#### <a id="ip_address_family"></a>`type ip-address-family`
-[`ip-address-family`](#ip_address_family)
+<h4><a id="ip_address_family"></a><code>type ip-address-family</code></h4>
+<p><a href="#ip_address_family"><a href="#ip_address_family"><code>ip-address-family</code></a></a></p>
 <p>
-#### <a id="incoming_datagram"></a>`record incoming-datagram`
+<h4><a id="incoming_datagram"></a><code>record incoming-datagram</code></h4>
 <p>A received datagram.</p>
 <h5>Record Fields</h5>
 <ul>
@@ -2277,22 +2281,22 @@ It's planned to be removed when <code>future</code> is natively supported in Pre
 <ul>
 <li><a id="method_outgoing_datagram_stream_subscribe.0"></a> own&lt;<a href="#pollable"><a href="#pollable"><code>pollable</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_sockets_udp_create_socket_0_2_7"></a>Import interface wasi:sockets/udp-create-socket@0.2.7</h2>
+<h2><a id="wasi_sockets_udp_create_socket_0_2_8"></a>Import interface wasi:sockets/udp-create-socket@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="network"></a><code>type network</code></h4>
 <p><a href="#network"><a href="#network"><code>network</code></a></a></p>
 <p>
-#### <a id="error_code"></a>`type error-code`
-[`error-code`](#error_code)
+<h4><a id="error_code"></a><code>type error-code</code></h4>
+<p><a href="#error_code"><a href="#error_code"><code>error-code</code></a></a></p>
 <p>
-#### <a id="ip_address_family"></a>`type ip-address-family`
-[`ip-address-family`](#ip_address_family)
+<h4><a id="ip_address_family"></a><code>type ip-address-family</code></h4>
+<p><a href="#ip_address_family"><a href="#ip_address_family"><code>ip-address-family</code></a></a></p>
 <p>
-#### <a id="udp_socket"></a>`type udp-socket`
-[`udp-socket`](#udp_socket)
+<h4><a id="udp_socket"></a><code>type udp-socket</code></h4>
+<p><a href="#udp_socket"><a href="#udp_socket"><code>udp-socket</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="create_udp_socket"></a><code>create-udp-socket: func</code></h4>
 <p>Create a new UDP socket.</p>
@@ -2322,34 +2326,34 @@ the socket is effectively an in-memory configuration object, unable to communica
 <ul>
 <li><a id="create_udp_socket.0"></a> result&lt;own&lt;<a href="#udp_socket"><a href="#udp_socket"><code>udp-socket</code></a></a>&gt;, <a href="#error_code"><a href="#error_code"><code>error-code</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_sockets_tcp_0_2_7"></a>Import interface wasi:sockets/tcp@0.2.7</h2>
+<h2><a id="wasi_sockets_tcp_0_2_8"></a>Import interface wasi:sockets/tcp@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="input_stream"></a><code>type input-stream</code></h4>
 <p><a href="#input_stream"><a href="#input_stream"><code>input-stream</code></a></a></p>
 <p>
-#### <a id="output_stream"></a>`type output-stream`
-[`output-stream`](#output_stream)
+<h4><a id="output_stream"></a><code>type output-stream</code></h4>
+<p><a href="#output_stream"><a href="#output_stream"><code>output-stream</code></a></a></p>
 <p>
-#### <a id="pollable"></a>`type pollable`
-[`pollable`](#pollable)
+<h4><a id="pollable"></a><code>type pollable</code></h4>
+<p><a href="#pollable"><a href="#pollable"><code>pollable</code></a></a></p>
 <p>
-#### <a id="duration"></a>`type duration`
-[`duration`](#duration)
+<h4><a id="duration"></a><code>type duration</code></h4>
+<p><a href="#duration"><a href="#duration"><code>duration</code></a></a></p>
 <p>
-#### <a id="network"></a>`type network`
-[`network`](#network)
+<h4><a id="network"></a><code>type network</code></h4>
+<p><a href="#network"><a href="#network"><code>network</code></a></a></p>
 <p>
-#### <a id="error_code"></a>`type error-code`
-[`error-code`](#error_code)
+<h4><a id="error_code"></a><code>type error-code</code></h4>
+<p><a href="#error_code"><a href="#error_code"><code>error-code</code></a></a></p>
 <p>
-#### <a id="ip_socket_address"></a>`type ip-socket-address`
-[`ip-socket-address`](#ip_socket_address)
+<h4><a id="ip_socket_address"></a><code>type ip-socket-address</code></h4>
+<p><a href="#ip_socket_address"><a href="#ip_socket_address"><code>ip-socket-address</code></a></a></p>
 <p>
-#### <a id="ip_address_family"></a>`type ip-address-family`
-[`ip-address-family`](#ip_address_family)
+<h4><a id="ip_address_family"></a><code>type ip-address-family</code></h4>
+<p><a href="#ip_address_family"><a href="#ip_address_family"><code>ip-address-family</code></a></a></p>
 <p>
-#### <a id="shutdown_type"></a>`enum shutdown-type`
+<h4><a id="shutdown_type"></a><code>enum shutdown-type</code></h4>
 <h5>Enum Cases</h5>
 <ul>
 <li>
@@ -2913,22 +2917,22 @@ has no effect and returns <code>ok</code>.</p>
 <ul>
 <li><a id="method_tcp_socket_shutdown.0"></a> result&lt;_, <a href="#error_code"><a href="#error_code"><code>error-code</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_sockets_tcp_create_socket_0_2_7"></a>Import interface wasi:sockets/tcp-create-socket@0.2.7</h2>
+<h2><a id="wasi_sockets_tcp_create_socket_0_2_8"></a>Import interface wasi:sockets/tcp-create-socket@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="network"></a><code>type network</code></h4>
 <p><a href="#network"><a href="#network"><code>network</code></a></a></p>
 <p>
-#### <a id="error_code"></a>`type error-code`
-[`error-code`](#error_code)
+<h4><a id="error_code"></a><code>type error-code</code></h4>
+<p><a href="#error_code"><a href="#error_code"><code>error-code</code></a></a></p>
 <p>
-#### <a id="ip_address_family"></a>`type ip-address-family`
-[`ip-address-family`](#ip_address_family)
+<h4><a id="ip_address_family"></a><code>type ip-address-family</code></h4>
+<p><a href="#ip_address_family"><a href="#ip_address_family"><code>ip-address-family</code></a></a></p>
 <p>
-#### <a id="tcp_socket"></a>`type tcp-socket`
-[`tcp-socket`](#tcp_socket)
+<h4><a id="tcp_socket"></a><code>type tcp-socket</code></h4>
+<p><a href="#tcp_socket"><a href="#tcp_socket"><code>tcp-socket</code></a></a></p>
 <p>
-----
+<hr />
 <h3>Functions</h3>
 <h4><a id="create_tcp_socket"></a><code>create-tcp-socket: func</code></h4>
 <p>Create a new TCP socket.</p>
@@ -2958,22 +2962,22 @@ is called, the socket is effectively an in-memory configuration object, unable t
 <ul>
 <li><a id="create_tcp_socket.0"></a> result&lt;own&lt;<a href="#tcp_socket"><a href="#tcp_socket"><code>tcp-socket</code></a></a>&gt;, <a href="#error_code"><a href="#error_code"><code>error-code</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_sockets_ip_name_lookup_0_2_7"></a>Import interface wasi:sockets/ip-name-lookup@0.2.7</h2>
+<h2><a id="wasi_sockets_ip_name_lookup_0_2_8"></a>Import interface wasi:sockets/ip-name-lookup@0.2.8</h2>
 <hr />
 <h3>Types</h3>
 <h4><a id="pollable"></a><code>type pollable</code></h4>
 <p><a href="#pollable"><a href="#pollable"><code>pollable</code></a></a></p>
 <p>
-#### <a id="network"></a>`type network`
-[`network`](#network)
+<h4><a id="network"></a><code>type network</code></h4>
+<p><a href="#network"><a href="#network"><code>network</code></a></a></p>
 <p>
-#### <a id="error_code"></a>`type error-code`
-[`error-code`](#error_code)
+<h4><a id="error_code"></a><code>type error-code</code></h4>
+<p><a href="#error_code"><a href="#error_code"><code>error-code</code></a></a></p>
 <p>
-#### <a id="ip_address"></a>`type ip-address`
-[`ip-address`](#ip_address)
+<h4><a id="ip_address"></a><code>type ip-address</code></h4>
+<p><a href="#ip_address"><a href="#ip_address"><code>ip-address</code></a></a></p>
 <p>
-#### <a id="resolve_address_stream"></a>`resource resolve-address-stream`
+<h4><a id="resolve_address_stream"></a><code>resource resolve-address-stream</code></h4>
 <hr />
 <h3>Functions</h3>
 <h4><a id="resolve_addresses"></a><code>resolve-addresses: func</code></h4>
@@ -3038,7 +3042,7 @@ It's planned to be removed when <code>future</code> is natively supported in Pre
 <ul>
 <li><a id="method_resolve_address_stream_subscribe.0"></a> own&lt;<a href="#pollable"><a href="#pollable"><code>pollable</code></a></a>&gt;</li>
 </ul>
-<h2><a id="wasi_random_random_0_2_7"></a>Import interface wasi:random/random@0.2.7</h2>
+<h2><a id="wasi_random_random_0_2_8"></a>Import interface wasi:random/random@0.2.8</h2>
 <p>WASI Random is a random data API.</p>
 <p>It is intended to be portable at least between Unix-family platforms and
 Windows.</p>
@@ -3071,7 +3075,7 @@ represented as a <code>u64</code>.</p>
 <ul>
 <li><a id="get_random_u64.0"></a> <code>u64</code></li>
 </ul>
-<h2><a id="wasi_random_insecure_0_2_7"></a>Import interface wasi:random/insecure@0.2.7</h2>
+<h2><a id="wasi_random_insecure_0_2_8"></a>Import interface wasi:random/insecure@0.2.8</h2>
 <p>The insecure interface for insecure pseudo-random numbers.</p>
 <p>It is intended to be portable at least between Unix-family platforms and
 Windows.</p>
@@ -3100,7 +3104,7 @@ a long period.</p>
 <ul>
 <li><a id="get_insecure_random_u64.0"></a> <code>u64</code></li>
 </ul>
-<h2><a id="wasi_random_insecure_seed_0_2_7"></a>Import interface wasi:random/insecure-seed@0.2.7</h2>
+<h2><a id="wasi_random_insecure_seed_0_2_8"></a>Import interface wasi:random/insecure-seed@0.2.8</h2>
 <p>The insecure-seed interface for seeding hash-map DoS resistance.</p>
 <p>It is intended to be portable at least between Unix-family platforms and
 Windows.</p>
diff --git a/wit/command.wit b/wit/command.wit
index dfecf91..38ef86b 100644
--- a/wit/command.wit
+++ b/wit/command.wit
@@ -1,4 +1,4 @@
-package wasi:cli@0.2.7;
+package wasi:cli@0.2.8;
 
 @since(version = 0.2.0)
 world command {
diff --git a/wit/deps.lock b/wit/deps.lock
index dc0c862..525406a 100644
--- a/wit/deps.lock
+++ b/wit/deps.lock
@@ -1,24 +1,24 @@
 [clocks]
-sha256 = "d0a8d048c41b566b978cd8ecd03fa51ec1f65af4c26be2f0fc9cfdd7dd6f34f3"
-sha512 = "8d1c9ddaaea70ae54376bfc02dcdd0437336fb4fc67f89763ce09540caefe84cbae89a8de3605aa7613c49188636e925047bcd150c2c60685850095fefb68b73"
+sha256 = "be1d8c61e2544e2b48d902c60df73577e293349063344ce752cda4d323f8b913"
+sha512 = "0fd7962c62b135da0e584c2b58a55147bf09873848b0bb5bd3913019bc3f8d4b5969fbd6f7f96fd99a015efaf562a3eeafe3bc13049f8572a6e13ef9ef0e7e75"
 
 [filesystem]
-url = "https://github.com/WebAssembly/wasi-filesystem/archive/v0.2.7.tar.gz"
-sha256 = "55942d9c31ed62d05d32d62d211a5c93983df7c0f1489124ca120cf58c4d61c0"
-sha512 = "1250a19334ad6acf18adead4503f22c99bfbca7cfb7267431547d4bcca34f91e9635648d00f064276086887a9c80ffacbf68bee832b9e4cd1c921bec0776717f"
+url = "https://github.com/WebAssembly/wasi-filesystem/archive/v0.2.8.tar.gz"
+sha256 = "57c2e5e40c57d54a2eacb55d8855d2963a6c0b33971a3620c1468b732233d593"
+sha512 = "11d1dee738bea1fdd15f5cc07ea10bfb9953a4e84361bbdc2c1051f9520463329ec839caffe0e5cf22870584846f9bfe627c1b77ee4b555fcc990b8106791c68"
 deps = ["clocks", "io"]
 
 [io]
-sha256 = "62ae80f2e340cddbac8e94f78e6270735aea536367ecb98de5f4ac6aef66b5c4"
-sha512 = "a02a1ebd261ae884b0315b3528d1a93819ddc4b616f66c77f2bea9dd1de888208dc3b9004a553363f5e8491ea925d65ebbd0d68eaa87238316b47469a3bf97bb"
+sha256 = "9f1ad5da70f621bbd4c69e3bd90250a0c12ecfde266aa8f99684fc44bc1e7c15"
+sha512 = "6d0a9db6848f24762933d1c168a5b5b1065ba838c253ee20454afeb8dd1a049b918d25deff556083d68095dd3126ae131ac3e738774320eee5d918f5a4b5354e"
 
 [random]
-url = "https://github.com/WebAssembly/wasi-random/archive/v0.2.7.tar.gz"
-sha256 = "168a5a22cfc489bbde2a2ce38d3a20b5c418fb099d3993196fca2129f8e9bfc0"
-sha512 = "1641fed653abe0991cdeee330bf6d3f6e17b9d2b3b9766588c792f181e8133727efa20feb41d0f325e3db8158ce51948c2d6648e02e8998df8eba3c88959bfca"
+url = "https://github.com/WebAssembly/wasi-random/archive/v0.2.8.tar.gz"
+sha256 = "febd6f75dec1fa733b8e25c1cdee4de9acd922ddf755a192d85f479b1f96b445"
+sha512 = "1689d2eee3c64b9fc91faaf43741ff95f343b05acc758342dbf3aa86830de1ec66b4bcd0fe22bf1f77abc4a1feeaae90cdc2c06eedc30952a6667f70edca7d8f"
 
 [sockets]
-url = "https://github.com/WebAssembly/wasi-sockets/archive/v0.2.7.tar.gz"
-sha256 = "33b150bb413c6f4e2ab1ab12b6da822d6c712f13a0644177b108f57dff5783d6"
-sha512 = "47efa2fea61374da2853b4ff2aed394b54c8e1d164ce6706332bd1056a16c2eb0a8d7c0ab5408a8b08537b615197ff4a44bdb5d132772a8d6049de5c39ec5e68"
+url = "https://github.com/WebAssembly/wasi-sockets/archive/v0.2.8.tar.gz"
+sha256 = "e82bb0502324f44ef22f6fdadec51f4963faf8ccd21187c37397ea872c0548c0"
+sha512 = "b8139db2b26a95d6948e345cf036497883943134ea832abfabd7267682d9f84b4c86ff38fc771125f1a8e2bcd237ea0a731d83bf22df9d78f19e452061227d77"
 deps = ["clocks", "io"]
diff --git a/wit/deps.toml b/wit/deps.toml
index fd5a701..59d97af 100644
--- a/wit/deps.toml
+++ b/wit/deps.toml
@@ -1,3 +1,3 @@
-filesystem = "https://github.com/WebAssembly/wasi-filesystem/archive/v0.2.7.tar.gz"
-random = "https://github.com/WebAssembly/wasi-random/archive/v0.2.7.tar.gz"
-sockets = "https://github.com/WebAssembly/wasi-sockets/archive/v0.2.7.tar.gz"
+filesystem = "https://github.com/WebAssembly/wasi-filesystem/archive/v0.2.8.tar.gz"
+random = "https://github.com/WebAssembly/wasi-random/archive/v0.2.8.tar.gz"
+sockets = "https://github.com/WebAssembly/wasi-sockets/archive/v0.2.8.tar.gz"
diff --git a/wit/deps/clocks/monotonic-clock.wit b/wit/deps/clocks/monotonic-clock.wit
index 98a9ad4..e60f366 100644
--- a/wit/deps/clocks/monotonic-clock.wit
+++ b/wit/deps/clocks/monotonic-clock.wit
@@ -1,4 +1,4 @@
-package wasi:clocks@0.2.7;
+package wasi:clocks@0.2.8;
 /// WASI Monotonic Clock is a clock API intended to let users measure elapsed
 /// time.
 ///
@@ -10,7 +10,7 @@ package wasi:clocks@0.2.7;
 @since(version = 0.2.0)
 interface monotonic-clock {
     @since(version = 0.2.0)
-    use wasi:io/poll@0.2.7.{pollable};
+    use wasi:io/poll@0.2.8.{pollable};
 
     /// An instant in time, in nanoseconds. An instant is relative to an
     /// unspecified initial value, and can only be compared to instances from
@@ -26,6 +26,11 @@ interface monotonic-clock {
     ///
     /// The clock is monotonic, therefore calling this function repeatedly will
     /// produce a sequence of non-decreasing values.
+    ///
+    /// For completeness, this function traps if it's not possible to represent
+    /// the value of the clock in an `instant`. Consequently, implementations
+    /// should ensure that the starting time is low enough to avoid the
+    /// possibility of overflow in practice.
     @since(version = 0.2.0)
     now: func() -> instant;
 
diff --git a/wit/deps/clocks/timezone.wit b/wit/deps/clocks/timezone.wit
index 4740bde..534814a 100644
--- a/wit/deps/clocks/timezone.wit
+++ b/wit/deps/clocks/timezone.wit
@@ -1,4 +1,4 @@
-package wasi:clocks@0.2.7;
+package wasi:clocks@0.2.8;
 
 @unstable(feature = clocks-timezone)
 interface timezone {
diff --git a/wit/deps/clocks/wall-clock.wit b/wit/deps/clocks/wall-clock.wit
index 2179b6c..3386c80 100644
--- a/wit/deps/clocks/wall-clock.wit
+++ b/wit/deps/clocks/wall-clock.wit
@@ -1,4 +1,4 @@
-package wasi:clocks@0.2.7;
+package wasi:clocks@0.2.8;
 /// WASI Wall Clock is a clock API intended to let users query the current
 /// time. The name "wall" makes an analogy to a "clock on the wall", which
 /// is not necessarily monotonic as it may be reset.
diff --git a/wit/deps/clocks/world.wit b/wit/deps/clocks/world.wit
index a08ff2c..1655ca8 100644
--- a/wit/deps/clocks/world.wit
+++ b/wit/deps/clocks/world.wit
@@ -1,4 +1,4 @@
-package wasi:clocks@0.2.7;
+package wasi:clocks@0.2.8;
 
 @since(version = 0.2.0)
 world imports {
diff --git a/wit/deps/filesystem/preopens.wit b/wit/deps/filesystem/preopens.wit
index b1a0a99..0d2cca6 100644
--- a/wit/deps/filesystem/preopens.wit
+++ b/wit/deps/filesystem/preopens.wit
@@ -1,4 +1,4 @@
-package wasi:filesystem@0.2.7;
+package wasi:filesystem@0.2.8;
 
 @since(version = 0.2.0)
 interface preopens {
diff --git a/wit/deps/filesystem/types.wit b/wit/deps/filesystem/types.wit
index a7da2b7..ac68f88 100644
--- a/wit/deps/filesystem/types.wit
+++ b/wit/deps/filesystem/types.wit
@@ -1,4 +1,4 @@
-package wasi:filesystem@0.2.7;
+package wasi:filesystem@0.2.8;
 /// WASI filesystem is a filesystem API primarily intended to let users run WASI
 /// programs that access their files on their existing filesystems, without
 /// significant overhead.
@@ -26,9 +26,9 @@ package wasi:filesystem@0.2.7;
 @since(version = 0.2.0)
 interface types {
     @since(version = 0.2.0)
-    use wasi:io/streams@0.2.7.{input-stream, output-stream, error};
+    use wasi:io/streams@0.2.8.{input-stream, output-stream, error};
     @since(version = 0.2.0)
-    use wasi:clocks/wall-clock@0.2.7.{datetime};
+    use wasi:clocks/wall-clock@0.2.8.{datetime};
 
     /// File size or length of a region within a file.
     @since(version = 0.2.0)
diff --git a/wit/deps/filesystem/world.wit b/wit/deps/filesystem/world.wit
index 67309b4..7daf067 100644
--- a/wit/deps/filesystem/world.wit
+++ b/wit/deps/filesystem/world.wit
@@ -1,4 +1,4 @@
-package wasi:filesystem@0.2.7;
+package wasi:filesystem@0.2.8;
 
 @since(version = 0.2.0)
 world imports {
diff --git a/wit/deps/io/error.wit b/wit/deps/io/error.wit
index acab3a8..dd5a1af 100644
--- a/wit/deps/io/error.wit
+++ b/wit/deps/io/error.wit
@@ -1,4 +1,4 @@
-package wasi:io@0.2.7;
+package wasi:io@0.2.8;
 
 @since(version = 0.2.0)
 interface error {
diff --git a/wit/deps/io/poll.wit b/wit/deps/io/poll.wit
index a525164..833b381 100644
--- a/wit/deps/io/poll.wit
+++ b/wit/deps/io/poll.wit
@@ -1,4 +1,4 @@
-package wasi:io@0.2.7;
+package wasi:io@0.2.8;
 
 /// A poll API intended to let users wait for I/O events on multiple handles
 /// at once.
diff --git a/wit/deps/io/streams.wit b/wit/deps/io/streams.wit
index 7ae29a3..fbb0268 100644
--- a/wit/deps/io/streams.wit
+++ b/wit/deps/io/streams.wit
@@ -1,4 +1,4 @@
-package wasi:io@0.2.7;
+package wasi:io@0.2.8;
 
 /// WASI I/O is an I/O abstraction API which is currently focused on providing
 /// stream types.
diff --git a/wit/deps/io/world.wit b/wit/deps/io/world.wit
index 73b1a6d..1cc3fce 100644
--- a/wit/deps/io/world.wit
+++ b/wit/deps/io/world.wit
@@ -1,4 +1,4 @@
-package wasi:io@0.2.7;
+package wasi:io@0.2.8;
 
 @since(version = 0.2.0)
 world imports {
diff --git a/wit/deps/random/insecure-seed.wit b/wit/deps/random/insecure-seed.wit
index 0209b84..b2b435e 100644
--- a/wit/deps/random/insecure-seed.wit
+++ b/wit/deps/random/insecure-seed.wit
@@ -1,4 +1,4 @@
-package wasi:random@0.2.7;
+package wasi:random@0.2.8;
 /// The insecure-seed interface for seeding hash-map DoS resistance.
 ///
 /// It is intended to be portable at least between Unix-family platforms and
diff --git a/wit/deps/random/insecure.wit b/wit/deps/random/insecure.wit
index 820d069..6dc77ad 100644
--- a/wit/deps/random/insecure.wit
+++ b/wit/deps/random/insecure.wit
@@ -1,4 +1,4 @@
-package wasi:random@0.2.7;
+package wasi:random@0.2.8;
 /// The insecure interface for insecure pseudo-random numbers.
 ///
 /// It is intended to be portable at least between Unix-family platforms and
diff --git a/wit/deps/random/random.wit b/wit/deps/random/random.wit
index 974ab46..524e77d 100644
--- a/wit/deps/random/random.wit
+++ b/wit/deps/random/random.wit
@@ -1,4 +1,4 @@
-package wasi:random@0.2.7;
+package wasi:random@0.2.8;
 /// WASI Random is a random data API.
 ///
 /// It is intended to be portable at least between Unix-family platforms and
diff --git a/wit/deps/random/world.wit b/wit/deps/random/world.wit
index 333b425..c0c3272 100644
--- a/wit/deps/random/world.wit
+++ b/wit/deps/random/world.wit
@@ -1,4 +1,4 @@
-package wasi:random@0.2.7;
+package wasi:random@0.2.8;
 
 @since(version = 0.2.0)
 world imports {
diff --git a/wit/deps/sockets/ip-name-lookup.wit b/wit/deps/sockets/ip-name-lookup.wit
index df2735a..ecdaa84 100644
--- a/wit/deps/sockets/ip-name-lookup.wit
+++ b/wit/deps/sockets/ip-name-lookup.wit
@@ -1,7 +1,7 @@
 @since(version = 0.2.0)
 interface ip-name-lookup {
     @since(version = 0.2.0)
-    use wasi:io/poll@0.2.7.{pollable};
+    use wasi:io/poll@0.2.8.{pollable};
     @since(version = 0.2.0)
     use network.{network, error-code, ip-address};
 
diff --git a/wit/deps/sockets/network.wit b/wit/deps/sockets/network.wit
index 95df71f..75a4f7d 100644
--- a/wit/deps/sockets/network.wit
+++ b/wit/deps/sockets/network.wit
@@ -1,7 +1,7 @@
 @since(version = 0.2.0)
 interface network {
     @unstable(feature = network-error-code)
-    use wasi:io/error@0.2.7.{error};
+    use wasi:io/error@0.2.8.{error};
 
     /// An opaque resource that represents access to (a subset of) the network.
     /// This enables context-based security for networking.
diff --git a/wit/deps/sockets/tcp.wit b/wit/deps/sockets/tcp.wit
index 104d9aa..9b5552d 100644
--- a/wit/deps/sockets/tcp.wit
+++ b/wit/deps/sockets/tcp.wit
@@ -1,11 +1,11 @@
 @since(version = 0.2.0)
 interface tcp {
     @since(version = 0.2.0)
-    use wasi:io/streams@0.2.7.{input-stream, output-stream};
+    use wasi:io/streams@0.2.8.{input-stream, output-stream};
     @since(version = 0.2.0)
-    use wasi:io/poll@0.2.7.{pollable};
+    use wasi:io/poll@0.2.8.{pollable};
     @since(version = 0.2.0)
-    use wasi:clocks/monotonic-clock@0.2.7.{duration};
+    use wasi:clocks/monotonic-clock@0.2.8.{duration};
     @since(version = 0.2.0)
     use network.{network, error-code, ip-socket-address, ip-address-family};
 
diff --git a/wit/deps/sockets/udp.wit b/wit/deps/sockets/udp.wit
index ecf2dfe..0000a15 100644
--- a/wit/deps/sockets/udp.wit
+++ b/wit/deps/sockets/udp.wit
@@ -1,7 +1,7 @@
 @since(version = 0.2.0)
 interface udp {
     @since(version = 0.2.0)
-    use wasi:io/poll@0.2.7.{pollable};
+    use wasi:io/poll@0.2.8.{pollable};
     @since(version = 0.2.0)
     use network.{network, error-code, ip-socket-address, ip-address-family};
 
diff --git a/wit/deps/sockets/world.wit b/wit/deps/sockets/world.wit
index 9a4d317..4441e91 100644
--- a/wit/deps/sockets/world.wit
+++ b/wit/deps/sockets/world.wit
@@ -1,4 +1,4 @@
-package wasi:sockets@0.2.7;
+package wasi:sockets@0.2.8;
 
 @since(version = 0.2.0)
 world imports {
diff --git a/wit/imports.wit b/wit/imports.wit
index e7f7942..cec1be5 100644
--- a/wit/imports.wit
+++ b/wit/imports.wit
@@ -1,17 +1,17 @@
-package wasi:cli@0.2.7;
+package wasi:cli@0.2.8;
 
 @since(version = 0.2.0)
 world imports {
   @since(version = 0.2.0)
-  include wasi:clocks/imports@0.2.7;
+  include wasi:clocks/imports@0.2.8;
   @since(version = 0.2.0)
-  include wasi:filesystem/imports@0.2.7;
+  include wasi:filesystem/imports@0.2.8;
   @since(version = 0.2.0)
-  include wasi:sockets/imports@0.2.7;
+  include wasi:sockets/imports@0.2.8;
   @since(version = 0.2.0)
-  include wasi:random/imports@0.2.7;
+  include wasi:random/imports@0.2.8;
   @since(version = 0.2.0)
-  include wasi:io/imports@0.2.7;
+  include wasi:io/imports@0.2.8;
 
   @since(version = 0.2.0)
   import environment;
diff --git a/wit/stdio.wit b/wit/stdio.wit
index 1c3c6d0..44767c6 100644
--- a/wit/stdio.wit
+++ b/wit/stdio.wit
@@ -1,7 +1,7 @@
 @since(version = 0.2.0)
 interface stdin {
   @since(version = 0.2.0)
-  use wasi:io/streams@0.2.7.{input-stream};
+  use wasi:io/streams@0.2.8.{input-stream};
 
   @since(version = 0.2.0)
   get-stdin: func() -> input-stream;
@@ -10,7 +10,7 @@ interface stdin {
 @since(version = 0.2.0)
 interface stdout {
   @since(version = 0.2.0)
-  use wasi:io/streams@0.2.7.{output-stream};
+  use wasi:io/streams@0.2.8.{output-stream};
 
   @since(version = 0.2.0)
   get-stdout: func() -> output-stream;
@@ -19,7 +19,7 @@ interface stdout {
 @since(version = 0.2.0)
 interface stderr {
   @since(version = 0.2.0)
-  use wasi:io/streams@0.2.7.{output-stream};
+  use wasi:io/streams@0.2.8.{output-stream};
 
   @since(version = 0.2.0)
   get-stderr: func() -> output-stream;