v4.20.4 v9.2.2
facebook/lexicalAug 20, 2026 → Aug 23, 20262 days between releases
What's New
Releases are from different repositories (FalkorDB and go-whatsapp-web-multidevice) and describe unrelated updates.
New Features
- Export Graph_EncodingVersion and Graph_GetDecoder APIs for external modules
- Basic Auth restoration for UI and REST API
- MCP OAuth 2.1 support
Improvements
- Incremental matrix rebuilding for faster RDB decoding
- OAuth middleware scoped specifically to the MCP transport
Bug Fixes
- Replica SIGSEGV crash on UPDATE_EDGE/UPDATE_NODE divergence
- OAuth middleware scope regression (limits challenge to MCP transport)
- Basic Auth prompt restoration for browsers
Upgrade Notes
The older release is for FalkorDB while the newer is for go-whatsapp-web-multidevice; they are unrelated projects. For the newer release, ensure OAuth middleware is correctly scoped to the `/mcp` transport if upgrading from v9.2.1.
The Two Releases
v4.20.4
Aug 20, 2026· 2 months ago
A maintenance release fixing a SIGSEGV crash in replica updates and improving the performance of graph decoding by rebuilding matrices incrementally.
Full release notesv9.2.2
Aug 23, 2026· 2 months ago
This patch release restores the browser Basic Auth prompt for the UI and REST API while ensuring OAuth 2.1 is correctly scoped to the MCP transport.
Full release notes