v4.20.4 v2026.8.19

high risk

LukeSmithxyz/emailwizAug 20, 2026 → Aug 21, 20261 day between releases

What's New

Newer release adds Bot Mode, file attachments, and execution guards; older release fixed replica crashes and exported graph APIs

Breaking Changes

  • Execution-discipline and runtime stall guards may alter existing Hermes workflows

New Features

  • Bot Mode group-room threads with Markdown rendering
  • PDF and file attachments with drag & drop
  • Keyless web tier with free rotation and ring failover
  • CLI polish including fuzzy /model picker and Ctrl+P palette
  • Foldable conversation summaries

Improvements

  • Desktop performance work with paint-first Bot Mode hydration
  • Cron jobs gain persistent memory
  • Hermes update receipts and fleet verification
  • Composio eval findings integration
  • React Compiler in both renderers

Bug Fixes

  • Execution-discipline and runtime stall guards (from Composio eval findings)

Upgrade Notes

Upgrade via `hermes update` or fresh install. This release introduces Bot Mode, file attachments, and execution guards. Note that the older version was a database (FalkorDB) while this is an agent framework (Hermes).

The Two Releases

v4.20.4

v4.20.4

Aug 20, 2026· 2 months ago

This release fixes a critical crash (SIGSEGV) in replicas caused by state divergence and improves performance by optimizing RDB decoding.

Full release notes
v2026.8.19

Hermes Agent v0.20.5 (v2026.8.19)

Aug 21, 2026· 2 months ago

A patch release enhancing the desktop experience with Bot Mode group features, file attachments, and CLI improvements, while adding execution guards and persistent memory for cron jobs.

Full release notes