diff --git a/docs/index.md b/docs/index.md
index 63cbabffd..c716e3313 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -1,2 +1,3 @@
 * [Overview](overview.md)
 * [Updating from v1 to v2](v1-to-v2-update.md)
+* [Updating from v3 to v4](v3-to-v4-update.md)
diff --git a/docs/v3-to-v4-update.md b/docs/v3-to-v4-update.md
new file mode 100644
index 000000000..d70d6a00c
--- /dev/null
+++ b/docs/v3-to-v4-update.md
@@ -0,0 +1,19 @@
+## Updating from v3 to v4
+
+The following changes were made to the Database package between v3 and v4.
+
+### Minimum supported PHP version raised
+
+All Framework packages now require PHP 8.1 or newer.
+
+### Minimum supported database versions raised
+
+The following are the minimum supported database versions:
+
+- MySQL: 5.6
+- PostgreSQL: 9.2.0
+- MS SQL: 11.0.2100.60 (SQL Server 2012)
+
+### Removed quoteNameStr
+
+The deprecated method `quoteNameStr` has been removed. Use `quoteNameString` instead.
diff --git a/src/DatabaseDriver.php b/src/DatabaseDriver.php
index 25b25677d..433d884f3 100644
--- a/src/DatabaseDriver.php
+++ b/src/DatabaseDriver.php
@@ -1579,36 +1579,6 @@ protected function quoteNameString($name, $asSinglePart = false)
         return $q[0] . str_replace('.', "$q[1].$q[0]", $name) . $q[1];
     }
 
-    /**
-     * Quote strings coming from quoteName call.
-     *
-     * @param   array  $strArr  Array of strings coming from quoteName dot-explosion.
-     *
-     * @return  string  Dot-imploded string of quoted parts.
-     *
-     * @since   1.0
-     * @deprecated  2.0  Use quoteNameString instead
-     */
-    protected function quoteNameStr($strArr)
-    {
-        $parts = [];
-        $q     = $this->nameQuote;
-
-        foreach ($strArr as $part) {
-            if ($part === null) {
-                continue;
-            }
-
-            if (\strlen($q) === 1) {
-                $parts[] = $q . $part . $q;
-            } else {
-                $parts[] = $q[0] . $part . $q[1];
-            }
-        }
-
-        return implode('.', $parts);
-    }
-
     /**
      * This function replaces a string identifier with the configured table prefix.
      *