v0.9.0 v2026.9.7
d2lang/d2Sep 7, 2026 → Sep 7, 20260 days between releases
What's New
The provided release notes for the newer version are for a different project (Hermes Agent) and do not explicitly list changes relative to D2 v0.9.0.
New Features
- Codebase modularization
- Desktop session controls and browser annotations
- New provider and model updates
Improvements
- Significant improvements in file-operation and startup performance
Upgrade Notes
Existing install: `hermes update`. Managed deployments should update through their deployment tooling using the new tag.
The Two Releases
v0.9.0
Sep 7, 2026· 1 month ago
This release introduces the TALA layout engine as an open-source, bundled feature, removing the need for external plugins or licenses. It adds native export support for PDF and PPTX formats and delivers significant performance improvements in SVG rendering and memory usage.
Full release notesHermes Agent v0.21.1 (v2026.9.7)
Sep 7, 2026· 1 month ago
A rollup patch release modularizing the codebase, improving file-operation performance, and updating providers and models.
Full release notes