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v2.21.8

leaningtech/webvmv2.21.8May 22, 2026by egelhaus

AI Summary

A critical security update addressing multiple vulnerabilities (PSA-2026-2CAQ96, PSA-2026-WWFR8X, PSA-2026-Q3TCPK), alongside new features including a contributor form, post creation tracking, and UI improvements.

Key Highlights

  • Addresses three critical security vulnerabilities
  • Introduces a contributor form and post creation method tracking
  • Enhances UI with scrollable notifications and modal overflow fixes
  • Adds state filters for the list view

New Features

  • Contributor form
  • Scrollable notification list with time
  • hasExtension helper for media type detection
  • Post creation method tracking (WEB/API/MCP/AUTOPOST)
  • State filter (all/scheduled/draft/published) for list view
  • TikTok pending-share error clarification
  • TikTok title/content restriction notice

Full Release Notes

> [!WARNING]
> This release addresses the security vulnerability [PSA-2026-2CAQ96](https://gadvisory.org/advisories/PSA-2026-2CAQ96), [PSA-2026-WWFR8X](https://gadvisory.org/advisories/PSA-2026-WWFR8X) and [PSA-2026-Q3TCPK](https://gadvisory.org/advisories/PSA-2026-Q3TCPK), all users are recommended to upgrade immediately.

## What's Changed
* fix: properly handle error in discord provider by @bsantosh909 in https://github.com/gitroomhq/postiz-app/pull/1479
* fix: remove processing GIF via sharp in linkedin by @bsantosh909 in https://github.com/gitroomhq/postiz-app/pull/1483
* feat: contributor form by @egelhaus in https://github.com/gitroomhq/postiz-app/pull/1482
* fix: lowercase email on local registration by @bsantosh909 in https://github.com/gitroomhq/postiz-app/pull/1494
* feat: update notification list to be scrollable and added time by @bsantosh909 in https://github.com/gitroomhq/postiz-app/pull/1489
* ui: update the modal such that for long text won't cause overflow by @bsantosh909 in https://github.com/gitroomhq/postiz-app/pull/1488
* feat: hasExtension helper for media type detection by @bsantosh909 in https://github.com/gitroomhq/postiz-app/pull/1515
* feat: track post creation method (WEB/API/MCP/AUTOPOST) by @bsantosh909 in https://github.com/gitroomhq/postiz-app/pull/1514
* Clarify TikTok pending-share error mentions the 24-hour window by @bsantosh909 in https://github.com/gitroomhq/postiz-app/pull/1539
* Show TikTok title/content restriction notice for video posts by @bsantosh909 in https://github.com/gitroomhq/postiz-app/pull/1537
* Add state filter (all/scheduled/draft/published) to list view by @bsantosh909 in https://github.com/gitroomhq/postiz-app/pull/1538

## New Contributors
* @bsantosh909 made their first contribution in https://github.com/gitroomhq/postiz-app/pull/1479

**Full Changelog**: https://github.com/gitroomhq/postiz-app/compare/v2.21.7...v2.21.8