2.5.3 v2.11
caddyserver/caddyAug 22, 2026 → Aug 27, 20265 days between releases
What's New
Introduces new plugins, vision sidecar, streaming improvements, and a LiteLLM transport change
Breaking Changes
- Default LiteLLM transport changed to Chat Completions; providers must explicitly set transport mode to Responses
New Features
- Context Window Usage Indicator plugin with composer usage ring and token counts
- Context Doctor plugin for repairing malformed tool-call JSON
- Vision Sidecar Integration with model presets and parallel-worker image resolution
- Streaming improvements including safe Markdown, LaTeX, and native tool output
- WebUI synchronization optimizations with collection deltas and stable sidebar
Improvements
- Significantly improves streaming and real-time UI performance
- Gateway model IDs are preserved for OpenAI-compatible embeddings
- NumPy scores are coerced to native floats
- Local models are cached
- Configurable keyboard layouts and stable browser IDs improve cross-platform usability
Bug Fixes
- Broad reliability fixes across memory handling
- Fixes for embeddings and context handling
- Fixes for interactive browser stability
- Automatically repairs malformed tool-call JSON
- Handles incomplete or thoughts-only responses
Upgrade Notes
Providers relying on the implicit Responses transport must explicitly set their transport mode to Responses to avoid breaking changes. The new Context Doctor plugin automatically repairs malformed JSON, which may affect logs and tool processing behavior.
The Two Releases
2.5.3
Aug 22, 2026· 2 months ago
Minimal release notes: "### 🐞 Bug Fixes - #7754 fix: release with wrong version number Read more in 2.5.1 changelog: https://github.com/lo"
Full release notesv2.11
Aug 27, 2026· 2 months ago
This release introduces new bundled plugins, significantly improves streaming and real-time UI performance, adds vision sidecar integration, and delivers broad reliability fixes across memory, embeddings, context handling, and the interactive browser.
Full release notes