v4.22.1 v0.5.13
low risk
vadimdemedes/inkSep 30, 2026 → Sep 30, 20260 days between releases
What's New
These are two unrelated repositories (fastmcp and opentui) with no upgrade path between them.
Improvements
- Fastmcp improved protocol compliance during initialization.
- Opentui optimized native text rendering and buffer management.
- Opentui enhanced cross-platform native compilation support.
Bug Fixes
- Fastmcp fixed initialization to use client's protocol version.
- Fastmcp fixed error code (-32602) for unknown tools or resources.
- Opentui fixed Zig dependency extraction on Windows.
- Opentui fixed terminal capability replies and tmux integration issues.
Upgrade Notes
These are separate projects with no upgrade path between versions.
The Two Releases
v4.22.1
v4.22.1
Sep 30, 2026· 22 days ago
A patch release for fastmcp fixing protocol initialization, OpenAPI parameter handling, and error responses for unknown tools or resources.
Full release notesv0.5.13
Release v0.5.13
Sep 30, 2026· 22 days ago
A comprehensive patch release for opentui featuring numerous native buffer optimizations, including improved text encoding, buffer resizing, and terminal capability handling.
Full release notes