https://bugs.kde.org/show_bug.cgi?id=519985
Bug ID: 519985
Summary: kpreviewjob not cleaning up downloaded files from MTP
devices after thumbnail generation
Classification: Applications
Product: dolphin
Version First 26.04.1
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
When browsing folders on an MTP device (phone via USB) with previews enabled,
Dolphin downloads full files to ~/.cache/dolphin/kpreviewjob/ for thumbnail
generation but never deletes them afterward.
Steps to Reproduce:
1. Connect Android phone via USB (MTP)
2. Browse phone folders containing media files with previews enabled in Dolphin
3. Check ~/.cache/dolphin/kpreviewjob/ after browsing
4. Observe full copies of media files cached
Expected Behavior:
Files downloaded for thumbnail generation should be automatically deleted after
thumbnails are created.
Actual Behavior:
Files remain in cache indefinitely. Cache grows to several GB. Files are
playable/viewable directly from cache.
Impact:
Privacy issue - sensitive files (e.g., ID documents) transferred from phone
remain cached in unencrypted form even after being moved to encrypted storage.
System Information:
Plasma: 6.6.4
Kernel: Linux 7.0.5-arch1-1
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