v3.76.1

payloadcms/payloadv3.76.1Feb 11, 2026by denolfe

AI Summary

Bug fix release addressing issues with admin thumbnails, file uploads, CSP headers, and various UI components.

Key Highlights

Fix for admin thumbnail size lookup crash using optional chaining
Non-image files properly handle useTempFiles without 0 bytes
CSP headers added to SVG uploads to prevent XSS
Lexical richtext link tooltip overflow fix
Tabs field crash prevention when stored tabIndex exceeds tab count

Full Release Notes

## [v3.76.1](https://github.com/payloadcms/payload/compare/v3.76.0...v3.76.1) (2026-02-11)


### 🐛 Bug Fixes

* use optional chaining for adminThumbnail size lookup to prevent crash ([#15586](https://github.com/payloadcms/payload/issues/15586)) ([6937eec](https://github.com/payloadcms/payload/commit/6937eec))
* non-image files should not recieve 0 bytes with useTempFiles ([#15538](https://github.com/payloadcms/payload/issues/15538)) ([a313627](https://github.com/payloadcms/payload/commit/a313627))
* add CSP headers to SVG uploads to prevent XSS ([#15506](https://github.com/payloadcms/payload/issues/15506)) ([8283c25](https://github.com/payloadcms/payload/commit/8283c25))
* **richtext-lexical:** link tooltip overflows outside viewport with long URLs ([#15584](https://github.com/payloadcms/payload/issues/15584)) ([af6b1a1](https://github.com/payloadcms/payload/commit/af6b1a1))
* **ui:** prevent Tabs field crash when stored tabIndex exceeds tab count ([#15588](https://github.com/payloadcms/payload/issues/15588)) ([a9e296e](https://github.com/payloadcms/payload/commit/a9e296e))
* **ui:** copy to locale function swallowing errors ([#15562](https://github.com/payloadcms/payload/issues/15562)) ([8ce62d8](https://github.com/payloadcms/payload/commit/8ce62d8))
* **ui:** ensure unpublish button only shows when drafts are enabled ([#15459](https://github.com/payloadcms/payload/issues/15459)) ([69dc5e6](https://github.com/payloadcms/payload/commit/69dc5e6))

### ⚙️ CI

* releaser always pull latest on release ([#15566](https://github.com/payloadcms/payload/issues/15566)) ([84344a2](https://github.com/payloadcms/payload/commit/84344a2))