What's Changed
- docs: add hermes agent integration guide by @BruceMacD in #15488
- app/ui: re-validate image attachments when selected model changes by @matteocelani in #15272
- model/parsers: fix missing parallel tool call indices by @drifkin in #15467
- gemma4: update renderer to match new jinja template by @drifkin in #15490
- gemma4: be less strict about whitespace before bare keys by @drifkin in #15494
Full Changelog: v0.20.5...v0.20.6-rc1
