diff --git a/Cargo.lock b/Cargo.lock
index 32454cdc83..8a723d8527 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2840,7 +2840,7 @@ dependencies = [
 
 [[package]]
 name = "libdd-capabilities"
-version = "0.1.0"
+version = "1.0.0"
 dependencies = [
  "anyhow",
  "bytes",
@@ -2850,7 +2850,7 @@ dependencies = [
 
 [[package]]
 name = "libdd-capabilities-impl"
-version = "0.1.0"
+version = "1.0.0"
 dependencies = [
  "bytes",
  "http",
@@ -2861,7 +2861,7 @@ dependencies = [
 
 [[package]]
 name = "libdd-common"
-version = "3.0.2"
+version = "4.0.0"
 dependencies = [
  "anyhow",
  "bytes",
diff --git a/datadog-sidecar/Cargo.toml b/datadog-sidecar/Cargo.toml
index 258d3a9e79..5c4ffffbf0 100644
--- a/datadog-sidecar/Cargo.toml
+++ b/datadog-sidecar/Cargo.toml
@@ -18,7 +18,7 @@ anyhow = { version = "1.0" }
 arrayref = "0.3.7"
 priority-queue = "2.1.1"
 libdd-common = { path = "../libdd-common" }
-libdd-capabilities = { path = "../libdd-capabilities", version = "0.1.0" }
+libdd-capabilities = { path = "../libdd-capabilities", version = "1.0.0" }
 datadog-sidecar-macros = { path = "../datadog-sidecar-macros" }
 
 libdd-telemetry = { path = "../libdd-telemetry", features = ["tracing"] }
diff --git a/libdd-capabilities-impl/CHANGELOG.md b/libdd-capabilities-impl/CHANGELOG.md
new file mode 100644
index 0000000000..86a0691a89
--- /dev/null
+++ b/libdd-capabilities-impl/CHANGELOG.md
@@ -0,0 +1,6 @@
+# Changelog
+
+
+## major - 2026-04-23
+
+Initial release.
diff --git a/libdd-capabilities-impl/Cargo.toml b/libdd-capabilities-impl/Cargo.toml
index 6eded7215d..4238cbdab6 100644
--- a/libdd-capabilities-impl/Cargo.toml
+++ b/libdd-capabilities-impl/Cargo.toml
@@ -3,7 +3,7 @@
 
 [package]
 name = "libdd-capabilities-impl"
-version = "0.1.0"
+version = "1.0.0"
 description = "Native implementations of libdd-capabilities traits"
 homepage = "https://github.com/DataDog/libdatadog/tree/main/libdd-capabilities-impl"
 repository = "https://github.com/DataDog/libdatadog/tree/main/libdd-capabilities-impl"
@@ -18,8 +18,8 @@ bench = false
 [dependencies]
 bytes = "1"
 http = "1"
-libdd-capabilities = { path = "../libdd-capabilities", version = "0.1.0" }
-libdd-common = { path = "../libdd-common", version = "3.0.2", default-features = false }
+libdd-capabilities = { path = "../libdd-capabilities", version = "1.0.0" }
+libdd-common = { path = "../libdd-common", version = "4.0.0", default-features = false }
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 http-body-util = "0.1"
diff --git a/libdd-capabilities/CHANGELOG.md b/libdd-capabilities/CHANGELOG.md
new file mode 100644
index 0000000000..86a0691a89
--- /dev/null
+++ b/libdd-capabilities/CHANGELOG.md
@@ -0,0 +1,6 @@
+# Changelog
+
+
+## major - 2026-04-23
+
+Initial release.
diff --git a/libdd-capabilities/Cargo.toml b/libdd-capabilities/Cargo.toml
index 346f0ffaa6..e19cb97139 100644
--- a/libdd-capabilities/Cargo.toml
+++ b/libdd-capabilities/Cargo.toml
@@ -3,7 +3,7 @@
 
 [package]
 name = "libdd-capabilities"
-version = "0.1.0"
+version = "1.0.0"
 description = "Portable capability traits for cross-platform libdatadog"
 homepage = "https://github.com/DataDog/libdatadog/tree/main/libdd-capabilities"
 repository = "https://github.com/DataDog/libdatadog/tree/main/libdd-capabilities"
diff --git a/libdd-common/CHANGELOG.md b/libdd-common/CHANGELOG.md
index 0703d03ad0..2d31a75e34 100644
--- a/libdd-common/CHANGELOG.md
+++ b/libdd-common/CHANGELOG.md
@@ -2,6 +2,30 @@
 
 
 
+## [4.0.0](https://github.com/datadog/libdatadog/compare/libdd-common-v3.0.2..libdd-common-v4.0.0) - 2026-04-23
+
+### Added
+
+- Trait architecture http ([#1555](https://github.com/datadog/libdatadog/issues/1555)) - ([b863364](https://github.com/datadog/libdatadog/commit/b863364bbb9cb4567b10c80cd11bc4a22b49fcf4))
+- Add shared runtime ([#1602](https://github.com/datadog/libdatadog/issues/1602)) - ([33896de](https://github.com/datadog/libdatadog/commit/33896def2418a9c0fc5bf74b05011210d333759f))
+- Implement HTTP common component ([#1624](https://github.com/datadog/libdatadog/issues/1624)) - ([29678bd](https://github.com/datadog/libdatadog/commit/29678bd0434bbe61dda64b90e99fbb36037f79d2))
+
+### Changed
+
+- Add allocation size tracking allocator ([#1905](https://github.com/datadog/libdatadog/issues/1905)) - ([d29b8d2](https://github.com/datadog/libdatadog/commit/d29b8d22f33ee0bd2ca9baf40f1afee801550c73))
+- Mock now function for rate limiter in tests to make them deterministic ([#1842](https://github.com/datadog/libdatadog/issues/1842)) - ([eb3c39b](https://github.com/datadog/libdatadog/commit/eb3c39b03521962ddedb2fd2c5990fdacea0a135))
+- Remove transitive dependency ([#1895](https://github.com/datadog/libdatadog/issues/1895)) - ([bdb0ad5](https://github.com/datadog/libdatadog/commit/bdb0ad556a6abeb17d2f31a037e149ec05cb5e8b))
+- Skip reqwest test that takes 10mn ([#1784](https://github.com/datadog/libdatadog/issues/1784)) - ([c929cdb](https://github.com/datadog/libdatadog/commit/c929cdb78d84f753f19ccacbee045e77dd5c5688))
+
+### Fixed
+
+- Skip thread counting test ([#1841](https://github.com/datadog/libdatadog/issues/1841)) - ([4360dbb](https://github.com/datadog/libdatadog/commit/4360dbb14e39d00d8a4fc40b6e66d1301f79acff))
+- Don't use reqwest http proxies ([#1810](https://github.com/datadog/libdatadog/issues/1810)) - ([3fc2961](https://github.com/datadog/libdatadog/commit/3fc29617a905dea8cda45300656896f482d7278c))
+- Use `ring` for non-fips builds ([#1816](https://github.com/datadog/libdatadog/issues/1816)) - ([5b6dffc](https://github.com/datadog/libdatadog/commit/5b6dffc5101a48706fe9c06f91e6c5afaf5e0ab5))
+- Handle Podman cgroupns=host cgroup path ([#1828](https://github.com/datadog/libdatadog/issues/1828)) - ([e5de518](https://github.com/datadog/libdatadog/commit/e5de518b54dfdc649a87dcf57a09680ca3859a53))
+
+
+
 ## [3.0.2](https://github.com/datadog/libdatadog/compare/libdd-common-v3.0.1..libdd-common-v3.0.2) - 2026-03-25
 
 ### Changed
diff --git a/libdd-common/Cargo.toml b/libdd-common/Cargo.toml
index 7419853b0a..f4a978f24f 100644
--- a/libdd-common/Cargo.toml
+++ b/libdd-common/Cargo.toml
@@ -3,7 +3,7 @@
 
 [package]
 name = "libdd-common"
-version = "3.0.2"
+version = "4.0.0"
 description = "Shared utilities for Datadog libraries including HTTP/HTTPS connectors, container entity detection, tag validation, rate limiting, and Unix/Windows platform helpers"
 homepage = "https://github.com/DataDog/libdatadog/tree/main/datadog-common"
 repository = "https://github.com/DataDog/libdatadog/tree/main/datadog-common"
diff --git a/libdd-crashtracker/Cargo.toml b/libdd-crashtracker/Cargo.toml
index 876b8c6de7..a650fe6e03 100644
--- a/libdd-crashtracker/Cargo.toml
+++ b/libdd-crashtracker/Cargo.toml
@@ -49,7 +49,7 @@ anyhow = "1.0"
 chrono = {version = "0.4", default-features = false, features = ["std", "clock", "serde"]}
 cxx = { version = "1.0", optional = true }
 errno = "0.3"
-libdd-common = { version = "3.0.2", path = "../libdd-common" }
+libdd-common = { version = "4.0.0", path = "../libdd-common" }
 libdd-telemetry = { version = "4.0.0", path = "../libdd-telemetry" }
 http = "1.1"
 libc = "0.2"
@@ -85,4 +85,4 @@ cxx-build = { version = "1.0", optional = true }
 # in the build-script context. The build script only needs cc_utils, which has no TLS dependency.
 # Without this, aws-lc-sys gets compiled twice: once for the normal dep graph and once for the
 # build-script dep graph (Cargo resolver v2 keeps these contexts separate).
-libdd-common = { version = "3.0.2", path = "../libdd-common", default-features = false }
+libdd-common = { version = "4.0.0", path = "../libdd-common", default-features = false }
diff --git a/libdd-data-pipeline-ffi/Cargo.toml b/libdd-data-pipeline-ffi/Cargo.toml
index 0f8e081083..aea4d46937 100644
--- a/libdd-data-pipeline-ffi/Cargo.toml
+++ b/libdd-data-pipeline-ffi/Cargo.toml
@@ -29,7 +29,7 @@ rmp-serde = "1.1.1"
 libdd-trace-utils = { path = "../libdd-trace-utils" }
 
 [dependencies]
-libdd-capabilities-impl = { version = "0.1.0", path = "../libdd-capabilities-impl" }
+libdd-capabilities-impl = { version = "1.0.0", path = "../libdd-capabilities-impl" }
 libdd-data-pipeline = { path = "../libdd-data-pipeline" }
 libdd-shared-runtime = { version = "0.1.0", path = "../libdd-shared-runtime" }
 libdd-common-ffi = { path = "../libdd-common-ffi", default-features = false }
diff --git a/libdd-data-pipeline/Cargo.toml b/libdd-data-pipeline/Cargo.toml
index 9af6220e09..5a2b62ea4f 100644
--- a/libdd-data-pipeline/Cargo.toml
+++ b/libdd-data-pipeline/Cargo.toml
@@ -31,8 +31,8 @@ tokio = { version = "1.23", features = [
 ], default-features = false }
 uuid = { version = "1.10.0", features = ["v4"] }
 tokio-util = "0.7.11"
-libdd-capabilities = { path = "../libdd-capabilities", version = "0.1.0" }
-libdd-common = { version = "3.0.2", path = "../libdd-common", default-features = false }
+libdd-capabilities = { path = "../libdd-capabilities", version = "1.0.0" }
+libdd-common = { version = "4.0.0", path = "../libdd-common", default-features = false }
 libdd-shared-runtime = { version = "0.1.0", path = "../libdd-shared-runtime" }
 libdd-telemetry = { version = "4.0.0", path = "../libdd-telemetry", default-features = false, optional = true}
 libdd-trace-protobuf = { version = "3.0.1", path = "../libdd-trace-protobuf" }
@@ -46,7 +46,7 @@ libdd-tinybytes = { version = "1.1.0", path = "../libdd-tinybytes", features = [
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 tokio = { version = "1.23", features = ["time", "test-util"], default-features = false }
-libdd-capabilities-impl = { version = "0.1.0", path = "../libdd-capabilities-impl" }
+libdd-capabilities-impl = { version = "1.0.0", path = "../libdd-capabilities-impl" }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 getrandom = { version = "0.2", features = ["js"] }
@@ -61,7 +61,7 @@ harness = false
 path = "benches/trace_buffer.rs"
 
 [dev-dependencies]
-libdd-capabilities-impl = { version = "0.1.0", path = "../libdd-capabilities-impl" }
+libdd-capabilities-impl = { version = "1.0.0", path = "../libdd-capabilities-impl" }
 libdd-log = { path = "../libdd-log" }
 libdd-shared-runtime = { version = "0.1.0", path = "../libdd-shared-runtime" }
 clap = { version = "4.0", features = ["derive"] }
diff --git a/libdd-dogstatsd-client/Cargo.toml b/libdd-dogstatsd-client/Cargo.toml
index 5e27c90493..bfa609059b 100644
--- a/libdd-dogstatsd-client/Cargo.toml
+++ b/libdd-dogstatsd-client/Cargo.toml
@@ -12,7 +12,7 @@ license.workspace = true
 bench = false
 
 [dependencies]
-libdd-common = { version = "3.0.2", path = "../libdd-common", default-features = false }
+libdd-common = { version = "4.0.0", path = "../libdd-common", default-features = false }
 cadence = "1.3.0"
 serde = { version = "1.0", features = ["derive", "rc"] }
 tracing = { version = "0.1", default-features = false }
diff --git a/libdd-http-client/Cargo.toml b/libdd-http-client/Cargo.toml
index a8a87b6305..d25bd5da7f 100644
--- a/libdd-http-client/Cargo.toml
+++ b/libdd-http-client/Cargo.toml
@@ -28,7 +28,7 @@ fastrand = "2"
 tokio = { version = "1.23", features = ["rt", "time"] }
 reqwest = { version = "0.13", default-features = false, optional = true }
 rustls = { version = "0.23", default-features = false, optional = true }
-libdd-common = { version = "3.0.0", path = "../libdd-common", default-features = false, optional = true }
+libdd-common = { version = "4.0.0", path = "../libdd-common", default-features = false, optional = true }
 hyper = { workspace = true, optional = true }
 hyper-util = { workspace = true, optional = true }
 http-body-util = { version = "0.1", optional = true }
diff --git a/libdd-profiling/Cargo.toml b/libdd-profiling/Cargo.toml
index e2d6a99993..fd6a3334bf 100644
--- a/libdd-profiling/Cargo.toml
+++ b/libdd-profiling/Cargo.toml
@@ -42,7 +42,7 @@ http-body-util = "0.1"
 httparse = "1.9"
 indexmap = "2.11"
 libdd-alloc = { version = "1.0.0", path = "../libdd-alloc" }
-libdd-common = { version = "3.0.2", path = "../libdd-common", default-features = false, features = ["reqwest", "test-utils"] }
+libdd-common = { version = "4.0.0", path = "../libdd-common", default-features = false, features = ["reqwest", "test-utils"] }
 libdd-profiling-protobuf = { version = "2.0.0", path = "../libdd-profiling-protobuf", features = ["prost_impls"] }
 mime = "0.3.16"
 parking_lot = { version = "0.12", default-features = false }
diff --git a/libdd-shared-runtime/Cargo.toml b/libdd-shared-runtime/Cargo.toml
index 0af17d4ecf..7c25e8dadd 100644
--- a/libdd-shared-runtime/Cargo.toml
+++ b/libdd-shared-runtime/Cargo.toml
@@ -21,8 +21,8 @@ futures = { version = "0.3", default-features = false, features = ["alloc"] }
 tokio = { version = "1.23", features = ["rt", "macros", "time"] }
 tokio-util = "0.7.11"
 tracing = { version = "0.1", default-features = false }
-libdd-capabilities = { path = "../libdd-capabilities", version = "0.1.0" }
-libdd-common = { version = "3.0.2", path = "../libdd-common", default-features = false }
+libdd-capabilities = { path = "../libdd-capabilities", version = "1.0.0" }
+libdd-common = { version = "4.0.0", path = "../libdd-common", default-features = false }
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 tokio = { version = "1.23", features = ["rt-multi-thread"] }
diff --git a/libdd-telemetry/Cargo.toml b/libdd-telemetry/Cargo.toml
index 034ae8bb15..5086fa4775 100644
--- a/libdd-telemetry/Cargo.toml
+++ b/libdd-telemetry/Cargo.toml
@@ -31,7 +31,7 @@ tracing = { version = "0.1", default-features = false }
 uuid = { version = "1.3", features = ["v4"] }
 hashbrown = "0.15"
 bytes = "1.4"
-libdd-common = { version = "3.0.2", path = "../libdd-common", default-features = false }
+libdd-common = { version = "4.0.0", path = "../libdd-common", default-features = false }
 libdd-shared-runtime = { version = "0.1.0", path = "../libdd-shared-runtime" }
 libdd-ddsketch = { version = "1.0.1", path = "../libdd-ddsketch" }
 
diff --git a/libdd-trace-obfuscation/Cargo.toml b/libdd-trace-obfuscation/Cargo.toml
index fa1682a343..d6f4a59c1c 100644
--- a/libdd-trace-obfuscation/Cargo.toml
+++ b/libdd-trace-obfuscation/Cargo.toml
@@ -19,7 +19,7 @@ log = "0.4"
 fluent-uri = "0.4.1"
 libdd-trace-protobuf = { version = "3.0.1", path = "../libdd-trace-protobuf" }
 libdd-trace-utils = { version = "3.0.1", path = "../libdd-trace-utils", default-features = false }
-libdd-common = { version = "3.0.2", path = "../libdd-common", default-features = false }
+libdd-common = { version = "4.0.0", path = "../libdd-common", default-features = false }
 
 [features]
 default = ["https"]
diff --git a/libdd-trace-stats/Cargo.toml b/libdd-trace-stats/Cargo.toml
index 6311b66697..89b3853bb4 100644
--- a/libdd-trace-stats/Cargo.toml
+++ b/libdd-trace-stats/Cargo.toml
@@ -11,8 +11,8 @@ autobenches = false
 
 [dependencies]
 anyhow = "1.0"
-libdd-capabilities = { path = "../libdd-capabilities", version = "0.1.0" }
-libdd-common = { version = "3.0.2", path = "../libdd-common", default-features = false }
+libdd-capabilities = { path = "../libdd-capabilities", version = "1.0.0" }
+libdd-common = { version = "4.0.0", path = "../libdd-common", default-features = false }
 libdd-ddsketch = { version = "1.0.1", path = "../libdd-ddsketch" }
 libdd-shared-runtime = { version = "0.1.0", path = "../libdd-shared-runtime" }
 libdd-trace-protobuf = { version = "3.0.1", path = "../libdd-trace-protobuf" }
@@ -27,7 +27,7 @@ tracing = { version = "0.1", default-features = false }
 async-trait = "0.1.85"
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
-libdd-capabilities-impl = { version = "0.1.0", path = "../libdd-capabilities-impl" }
+libdd-capabilities-impl = { version = "1.0.0", path = "../libdd-capabilities-impl" }
 
 [lib]
 bench = false
diff --git a/libdd-trace-utils/Cargo.toml b/libdd-trace-utils/Cargo.toml
index bfacc33037..1c8d91be6a 100644
--- a/libdd-trace-utils/Cargo.toml
+++ b/libdd-trace-utils/Cargo.toml
@@ -36,8 +36,8 @@ bytes = "1.11.1"
 rmpv = { version = "1.3.0", default-features = false }
 rmp = { version = "0.8.14", default-features = false }
 
-libdd-capabilities = { path = "../libdd-capabilities", version = "0.1.0" }
-libdd-common = { version = "3.0.2", path = "../libdd-common", default-features = false }
+libdd-capabilities = { path = "../libdd-capabilities", version = "1.0.0" }
+libdd-common = { version = "4.0.0", path = "../libdd-common", default-features = false }
 libdd-trace-normalization = { version = "2.0.0", path = "../libdd-trace-normalization" }
 libdd-trace-protobuf = { version = "3.0.1", path = "../libdd-trace-protobuf" }
 libdd-tinybytes = { version = "1.1.0", path = "../libdd-tinybytes", features = [
@@ -59,13 +59,13 @@ urlencoding = { version = "2.1.3", optional = true }
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 tokio = { version = "1", features = ["time", "rt-multi-thread"] }
-libdd-capabilities-impl = { version = "0.1.0", path = "../libdd-capabilities-impl", default-features = false }
+libdd-capabilities-impl = { version = "1.0.0", path = "../libdd-capabilities-impl", default-features = false }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 getrandom = { version = "0.2", features = ["js"] }
 
 [dev-dependencies]
-libdd-capabilities-impl = { version = "0.1.0", path = "../libdd-capabilities-impl" }
+libdd-capabilities-impl = { version = "1.0.0", path = "../libdd-capabilities-impl" }
 libdd-common = { path = "../libdd-common", default-features = false, features = ["bench-utils"] }
 bolero = "0.13"
 criterion = "0.5.1"