v0.8.7 v1.20.21

medium risk

deepfakes/faceswapAug 13, 2026 → Aug 17, 20264 days between releases

What's New

Upgrades Python to 3.14.7 and adds WOPI collaboration features

Breaking Changes

  • CSP nonces introduced in v1.20.17 may break javascript-based plugins

New Features

  • Custom thumbnail extractors (thumbex) for generating images from files
  • WOPI improvements including persistent file IDs and OnlyOffice support
  • SVG image support in the lightbox viewer
  • Password provided in env-var `U2C_PW` for u2cpy
  • WOPI access limits via `--wopi-accs`

Improvements

  • Upgrade to Python 3.14.7
  • Security patches for FTP server and volume key vulnerabilities

Bug Fixes

  • Fixed FTP-server vulnerability allowing uploads outside defined volumes
  • Fixed vulnerability when volume has both filekeys and dirkeys enabled

Upgrade Notes

Be aware that CSP nonces introduced in v1.20.17 might break javascript-based plugins. The upgrade to Python 3.14.7 requires checking for compatibility with existing extensions.

The Two Releases

v0.8.7

v0.8.7

Aug 13, 2026· 2 months ago

Adds Outlook and Microsoft 365 support, transforms Home into a collaborative to-do list, and enables in-app PowerPoint editing with visible model reasoning.

Full release notes
v1.20.21

thumbex

Aug 17, 2026· 2 months ago

Updates to the Copyparty file server, focusing on custom thumbnail extractors, enhanced WOPI support, and security patches.

Full release notes