diff --git a/packages/ai/CHANGELOG.md b/packages/ai/CHANGELOG.md
index de6280ac..30ad261d 100644
--- a/packages/ai/CHANGELOG.md
+++ b/packages/ai/CHANGELOG.md
@@ -2,6 +2,15 @@
 
 ## [Unreleased]
 
+### Added
+
+- Added `gemini-3.1-pro-preview` model support to the `google-gemini-cli` provider ([#1599](https://github.com/badlogic/pi-mono/pull/1599) by [@audichuang](https://github.com/audichuang))
+
+### Fixed
+
+- Fixed adaptive thinking for Claude Sonnet 4.6 in Anthropic and Bedrock providers, and clamped unsupported `xhigh` effort values to supported levels ([#1548](https://github.com/badlogic/pi-mono/pull/1548) by [@tctev](https://github.com/tctev))
+- Fixed Vertex ADC credential detection race by avoiding caching a false negative during async import initialization ([#1550](https://github.com/badlogic/pi-mono/pull/1550) by [@jeremiahgaylord-web](https://github.com/jeremiahgaylord-web))
+
 ## [0.55.0] - 2026-02-24
 
 ## [0.54.2] - 2026-02-23
diff --git a/packages/coding-agent/CHANGELOG.md b/packages/coding-agent/CHANGELOG.md
index dccdc616..5cb6f707 100644
--- a/packages/coding-agent/CHANGELOG.md
+++ b/packages/coding-agent/CHANGELOG.md
@@ -5,6 +5,7 @@
 ### New Features
 
 - Added offline startup mode via `--offline` (or `PI_OFFLINE`) to disable startup network operations, with startup network timeouts to avoid hangs in restricted or offline environments.
+- Added `gemini-3.1-pro-preview` model support to the `google-gemini-cli` provider ([#1599](https://github.com/badlogic/pi-mono/pull/1599) by [@audichuang](https://github.com/audichuang)).
 
 ### Fixed
 
@@ -12,6 +13,9 @@
 - Fixed Windows VT input initialization in ESM by loading koffi via createRequire, avoiding runtime and bundling issues in end-user environments ([#1627](https://github.com/badlogic/pi-mono/pull/1627) by [@kaste](https://github.com/kaste))
 - Fixed managed `fd`/`rg` bootstrap on Windows in Git Bash by using `extract-zip` for `.zip` archives, searching extracted layouts more robustly, and isolating extraction temp directories to avoid concurrent download races ([#1348](https://github.com/badlogic/pi-mono/issues/1348))
 - Fixed extension loading on Windows when resolving `@sinclair/typebox` aliases so subpath imports like `@sinclair/typebox/compiler` resolve correctly.
+- Fixed adaptive thinking for Claude Sonnet 4.6 in Anthropic and Bedrock providers, and clamped unsupported `xhigh` effort values to supported levels ([#1548](https://github.com/badlogic/pi-mono/pull/1548) by [@tctev](https://github.com/tctev))
+- Fixed Vertex ADC credential detection race by avoiding caching a false negative during async import initialization ([#1550](https://github.com/badlogic/pi-mono/pull/1550) by [@jeremiahgaylord-web](https://github.com/jeremiahgaylord-web))
+- Fixed subagent extension example to resolve user agents from the configured agent directory instead of hardcoded paths ([#1559](https://github.com/badlogic/pi-mono/pull/1559) by [@tianshuwang](https://github.com/tianshuwang))
 
 ## [0.55.0] - 2026-02-24