Moss 0.21.1

2026-10-18T11:51:26.082Z

Updates in Moss:

- Fixed slow first startup after updating from 0.20.1 by upgrading only the conversation catalog instead of copying unrelated history and working files.
- Preserved recovery for upgrades already started by 0.21.0.

Read the Moss Software License Agreement before installing. The installer also includes third-party license notices.

• Download for macOS arm64 (174,238,844 bytes)
  SHA-256: 5a883b45348ac267659795e8784fa95f58316773069489e9180957241c059ef8

This build is signed with Developer ID and notarized by Apple. Quit the previous app and drag Moss.app into Applications, then open Moss. macOS may ask you to confirm opening an app downloaded from the internet. Existing Tenon data remains in place.

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