[Bug]: Ebook and archive thumbnail renderers are case-sensitive
Author: Sola-risCreated Sep 20, 2026Updated Sep 20, 2026
LabelsType: Bug
Checklist
- I am using an up-to-date version.
- I have read the documentation.
- I have searched existing issues.
TagStudio Version
HEAD
Operating System & Version
Linux DESKTOP-05R4602 6.18.33.2-microsoft-standard-WSL2 #1 SMP PREEMPT_DYNAMIC Thu Jun 18 21:54:43 UTC 2026 x86_64 GNU/Linux
Description
The thumbnail renderers for archives and ebooks don't work if all images or the one specified in the ComicInfo.xml have their extension in upper case
Expected Behavior
The renderers should be case-insensitive
Steps to Reproduce
- Add to a library samples.zip
- Observe a lack of thumbnails for the files
Logs
No response
Source: TagStudioDev/TagStudio