diff --git a/CHANGELOG.md b/CHANGELOG.md
index babe86b..987a68a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,9 +6,10 @@ Tags follow `v{opencode_version}[letter]` — bare tag for the first build on a
 
 ---
 
-## Unreleased
+## v1.14.28b — 2026-04-27
 
-- **Feature:** Add MemPalace local-first AI memory system to base image. Provides 29 MCP tools for semantic search over conversation history, knowledge graph queries, and agent diaries. Palace data persists via optional `devbox-palace` named volume. No API keys required.
+- **Feature:** Add MemPalace local-first AI memory system to base image. Provides 29 MCP tools for semantic search over conversation history, knowledge graph queries, and agent diaries. Palace data persists via optional `devbox-palace` named volume, ChromaDB embedding model cache via `devbox-chroma-cache`. No API keys required.
+- **Feature:** Auto-register mempalace MCP server in generated opencode.json (when mempalace is installed and config is auto-generated from OPENCODE_PROVIDER).
 
 ## v1.14.28 — 2026-04-26
 
diff --git a/entrypoint.sh b/entrypoint.sh
index 59c7702..df7cd81 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -81,6 +81,7 @@ for dir in \
   /home/"$USER_NAME"/.local/share/nvim \
   /home/"$USER_NAME"/.mempalace \
   /home/"$USER_NAME"/.cache/bash \
+  /home/"$USER_NAME"/.cache/chroma \
   /home/"$USER_NAME"/.rustup \
   /home/"$USER_NAME"/.cargo \
   /home/"$USER_NAME"/.vscode-server \