diff --git a/libdd-alloc/CHANGELOG.md b/libdd-alloc/CHANGELOG.md
new file mode 100644
index 0000000000..1e77eea5a4
--- /dev/null
+++ b/libdd-alloc/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.0 - 2025-11-17
+
+Initial release.
diff --git a/libdd-common/CHANGELOG.md b/libdd-common/CHANGELOG.md
new file mode 100644
index 0000000000..2dbdac7631
--- /dev/null
+++ b/libdd-common/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.0 - 2025-11-14
+
+Initial release.
diff --git a/libdd-crashtracker/CHANGELOG.md b/libdd-crashtracker/CHANGELOG.md
new file mode 100644
index 0000000000..302ce95f86
--- /dev/null
+++ b/libdd-crashtracker/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.0 - 2025-11-28
+
+Initial release.
diff --git a/libdd-data-pipeline/CHANGELOG.md b/libdd-data-pipeline/CHANGELOG.md
new file mode 100644
index 0000000000..5c10ea377a
--- /dev/null
+++ b/libdd-data-pipeline/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.0 - 2025-11-18
+
+Initial release.
diff --git a/libdd-ddsketch/CHANGELOG.md b/libdd-ddsketch/CHANGELOG.md
new file mode 100644
index 0000000000..1e77eea5a4
--- /dev/null
+++ b/libdd-ddsketch/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.0 - 2025-11-17
+
+Initial release.
diff --git a/libdd-dogstatsd-client/CHANGELOG.md b/libdd-dogstatsd-client/CHANGELOG.md
new file mode 100644
index 0000000000..aeec3feade
--- /dev/null
+++ b/libdd-dogstatsd-client/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.0
+
+Initial release.
diff --git a/libdd-library-config/CHANGELOG.md b/libdd-library-config/CHANGELOG.md
new file mode 100644
index 0000000000..1e77eea5a4
--- /dev/null
+++ b/libdd-library-config/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.0 - 2025-11-17
+
+Initial release.
diff --git a/libdd-log/CHANGELOG.md b/libdd-log/CHANGELOG.md
new file mode 100644
index 0000000000..1e77eea5a4
--- /dev/null
+++ b/libdd-log/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.0 - 2025-11-17
+
+Initial release.
diff --git a/libdd-profiling-protobuf/CHANGELOG.md b/libdd-profiling-protobuf/CHANGELOG.md
new file mode 100644
index 0000000000..1e77eea5a4
--- /dev/null
+++ b/libdd-profiling-protobuf/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.0 - 2025-11-17
+
+Initial release.
diff --git a/libdd-profiling/CHANGELOG.md b/libdd-profiling/CHANGELOG.md
new file mode 100644
index 0000000000..1e77eea5a4
--- /dev/null
+++ b/libdd-profiling/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.0 - 2025-11-17
+
+Initial release.
diff --git a/libdd-telemetry/CHANGELOG.md b/libdd-telemetry/CHANGELOG.md
new file mode 100644
index 0000000000..1e77eea5a4
--- /dev/null
+++ b/libdd-telemetry/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.0 - 2025-11-17
+
+Initial release.
diff --git a/libdd-tinybytes/CHANGELOG.md b/libdd-tinybytes/CHANGELOG.md
new file mode 100644
index 0000000000..2dbdac7631
--- /dev/null
+++ b/libdd-tinybytes/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.0 - 2025-11-14
+
+Initial release.
diff --git a/libdd-trace-normalization/CHANGELOG.md b/libdd-trace-normalization/CHANGELOG.md
new file mode 100644
index 0000000000..5c10ea377a
--- /dev/null
+++ b/libdd-trace-normalization/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.0 - 2025-11-18
+
+Initial release.
diff --git a/libdd-trace-obfuscation/CHANGELOG.md b/libdd-trace-obfuscation/CHANGELOG.md
new file mode 100644
index 0000000000..9e13fcb818
--- /dev/null
+++ b/libdd-trace-obfuscation/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.0 - 2025-12-09
+
+Initial release.
diff --git a/libdd-trace-protobuf/CHANGELOG.md b/libdd-trace-protobuf/CHANGELOG.md
new file mode 100644
index 0000000000..1e77eea5a4
--- /dev/null
+++ b/libdd-trace-protobuf/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.0 - 2025-11-17
+
+Initial release.
diff --git a/libdd-trace-stats/CHANGELOG.md b/libdd-trace-stats/CHANGELOG.md
new file mode 100644
index 0000000000..5c10ea377a
--- /dev/null
+++ b/libdd-trace-stats/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.0 - 2025-11-18
+
+Initial release.
diff --git a/libdd-trace-utils/CHANGELOG.md b/libdd-trace-utils/CHANGELOG.md
new file mode 100644
index 0000000000..5c10ea377a
--- /dev/null
+++ b/libdd-trace-utils/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.0 - 2025-11-18
+
+Initial release.