## zed-industries/zed — v1.21.0-pre…v1.21.0

_12 commits._

### Features
- **open_ai: Add GPT-6 Sol and Luna BYOK support (#64628) (cherry-pick to preview) (#64657)** (fabad9d)
- **open_ai: Add GPT-6 Astra API support (#64420) (cherry-pick to preview) (#64654)** (071e902)
- **anthropic: Add Claude Opus 5.5 BYOK support (#64627) (cherry-pick to preview) (#64653)** (23a31a8)
- **mistral: Add Z.ai GLM (latest version) and show thinking toggle for supported models (#63535) (cherry-pick to preview) (#64591)** (048eeb3)

### Fixes
- **editor: Fix crash when a row highlight's anchors are reversed (#64604) (cherry-pick to preview) (#64607)** (14a40fd)
- **gpui_macos: Fix traffic lights animation during fullscreen exit (#64339) (cherry-pick to preview) (#64367)** (1857247)
- **snippet_provider: Fix multiple snippets for same language (#58659) (cherry-pick to preview) (#64315)** (62de891)

### Backend
- **v1.21.x stable for @JosephTLyons** (33c9585)
- **Expose current ChatGPT subscription models (#64625) (cherry-pick to preview) (#64629)** (eba85c2)
- **editor: Keep deleted gutter markers visible at narrow widths (#64469) (cherry-pick to preview) (#64600)** (1be4499)
- **project_panel: Allow renaming a root to match a child directory (#64268) (cherry-pick to preview) (#64590)** (f70a253)
- **Prevent multibuffer items from switching active repository (#58795) (cherry-pick to preview) (#64583)** (ec695cc)

_Recap by [Repo Wrapped](https://repowrapped.com/gh/zed-industries/zed?utm_source=github-action)._