v0.6.3 v1.21.0

Name: core
Author: diffusionstudio

medium risk

diffusionstudio/coreSep 23, 2026 → Sep 23, 20260 days between releases

What's New

Shift from Markdown/Canvas to AI and Git improvements with BYOK support and faster rendering.

New Features

BYOK support for Claude Opus 5.5 and GPT-6 models.
Language server command picker.
System sleep prevention setting to keep system awake during agent turns.
SuperGrok sign-in support for Grok models.
Agent rename action for Terminal Thread.

Improvements

Faster rendering for Markdown code blocks and syntax-highlighted files.
Improved ACP compatibility.
Markdown performance improvements (20% faster).
Agent threads sidebar width configuration.
Agent rename action for Terminal Thread.

The Two Releases

v0.6.3

Sep 23, 2026· 28 days ago

Astryx design system update focusing on Markdown improvements (plugin system, transforms, Remark compatibility), a new Canvas Editor, and various accessibility fixes.

Full release notes

v1.21.0

Sep 23, 2026· 28 days ago

Focuses on AI and Git improvements, including BYOK support for new models, faster rendering for syntax highlighting, and new language server features like command pickers.

Full release notes