Bug 507063 - Bad project file migration from 25.04.2 to 25.04.3
Summary: Bad project file migration from 25.04.2 to 25.04.3
Status: REPORTED
Alias: None
Product: kdenlive
Classification: Applications
Component: User Interface & Miscellaneous (other bugs)
Version First Reported In: unspecified
Platform: Flatpak Linux
: NOR major
Target Milestone: ---
Assignee: Jean-Baptiste Mardelle
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2025-07-15 04:00 UTC by dull.bananas0@gmail.com
Modified: 2025-07-17 01:12 UTC (History)
0 users

See Also:
Latest Commit:
Version Fixed/Implemented In:
Sentry Crash Report:


Attachments
2 mentioned files (17.43 KB, application/zip)
2025-07-15 04:00 UTC, dull.bananas0@gmail.com
Details
possibly corrupted file (82.58 KB, application/x-kdenlive)
2025-07-17 00:12 UTC, dull.bananas0@gmail.com
Details

Note You need to log in before you can comment on or make changes to this bug.
Description dull.bananas0@gmail.com 2025-07-15 04:00:53 UTC
Created attachment 183249 [details]
2 mentioned files

SUMMARY

After upgrading from 25.04.2 to 25.04.3, I see the message "Your project was modified on opening, a backup will be created on next save" whenever I open the project file. After saving and reopening, it happens again, so a new backup file is added each time.

About a day later, I noticed that almost all of the editing that I did was gone. Previously, there was a ton of YTP-style editing. Now, there's still multiple clips, but only one unsplit clip per source video. This did not happen immediately after the upgrade. This might be corruption.

MLT version: 7.32.0

I got kdenlive from flathub.


STEPS TO REPRODUCE
1. Do a bunch of edits, including splits and rearrangement of clips
2. Upgrade from 25.04.2 to 25.04.3
3. Continue working on project

OBSERVED RESULT

"Your project was modified on opening, a backup will be created on next save" and lost edits

EXPECTED RESULT

No "Your project was modified on opening, a backup will be created on next save", edits being kept

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Fedora GNU + Linux 42
KDE Plasma Version: 
KDE Frameworks Version: 6.13.0
Qt Version: 6.9.0

ADDITIONAL INFORMATION

kdenlive-output.txt contains output from running `/usr/bin/flatpak run --branch=stable --arch=x86_64 --command=kdenlive --file-forwarding org.kde.kdenlive @@ "/home/dullbananas/Dropbox/kdenlive/gamblers ytp/gamblers ytp_backup0.kdenlive" @@` in terminal and then closing the kdenlive window without saving. If I understand correctly, "gamblers ytp_backup0.kdenlive" contains the data from before I upgraded kdenlive.
Comment 1 dull.bananas0@gmail.com 2025-07-17 00:12:30 UTC
Created attachment 183291 [details]
possibly corrupted file

here is the file shortly after i noticed that a lot of my edits disappeared.
Comment 2 dull.bananas0@gmail.com 2025-07-17 01:12:56 UTC
One or both of these fixed the repetitive "Your project was modified on opening, a backup will be created on next save":
- creating new sequences, coping clips one at a time from the old sequence, then deleting the old sequence
- transcoding the source video that has a variable framerate, so it matches my project's frame rate