v1.16.16 v2026.9.21
medium risk
sveltejs/svelteSep 20, 2026 → Sep 21, 20261 day between releases
What's New
Major feature rollout with Desktop UI and CLI enhancements
New Features
- Desktop chat/UI font picker
- One-click local engine updates
- Plugin uninstall from Plugins hub
- Structured JSONL output for CLI
- Decline unauthorized-DM behavior
Improvements
- Gateway security improvements including configurable MCP discovery cap
- Video catalog updates featuring LTX 2.5 and Kling O3 models
- Desktop UI enhancements
- CLI enhancements
- Singleton lock with rendezvous record
Upgrade Notes
The CLI now supports structured JSONL output via `--format stream-json`. Desktop users gain a font picker and one-click engine updates. Gateway security introduces a configurable MCP discovery concurrency limit.
The Two Releases
v1.16.16
v1.16.16
Sep 20, 2026· 1 month ago
This is a maintenance release for Agent Deck, a terminal session manager for AI coding agents, focusing on stability and remote installation verification.
Full release notesv2026.9.21
Hermes Agent v0.21.4 (v2026.9.21)
Sep 21, 2026· 1 month ago
This patch release rolls up approximately 1,800 PRs since v0.21.3, focusing on Desktop UI enhancements, CLI improvements, and gateway security updates.
Full release notes