https://bugs.kde.org/show_bug.cgi?id=468774

            Bug ID: 468774
           Summary: subtitles in batch, that change between videos, all
                    rendered as last subtitle in batch
    Classification: Applications
           Product: kdenlive
           Version: 22.12.3
          Platform: Manjaro
                OS: Linux
            Status: REPORTED
          Severity: grave
          Priority: NOR
         Component: Effects & Transitions
          Assignee: j...@kdenlive.org
          Reporter: kreez...@gmail.com
  Target Milestone: ---

SUMMARY
***
When creating a batch of videos to render, where subtitles are used on each
one, where the subtitle on each one is different, the last subtitle in the last
video set for render causes all subtitles to render as that one.
***

STEPS TO REPRODUCE
1. make more than 2 videos to be used in a batch rendering operation, all
having subtitle screens
2. after you set one to render, go to the next and change the subtitle
3. after they're all queued up, and you've changed the subtitle on each one,
let them all render, 
4. inspect the 2nd thru last-1 videos and notice that the subtitles are all as
set by the last video's subtitle.



OBSERVED RESULT
This has happened three times to be now. Scenario where it happens.
After I have streamed a live, and have downloaded it. I cut my life up into 15
minute segments and place them into a template I have, replacing the clips, and
adjust the subtitle that I use in the header. Naturally Kdenlive saves them and
when I load them individually they are correct. If batch load them for mass
render, the behavior I am describing happens. If I don't batch load and let
each one fully render before adding the next one, it behaves without issue. 

EXPECTED RESULT
I expect the batch rendering to render each subtitle exactly as I told it to be
rendered, and not cheat and use the last subtitle from the last render sent to
batch.

SOFTWARE/OS VERSIONS
Operating System: Manjaro Linux 
KDE Plasma Version: 5.27.4
KDE Frameworks Version: 5.104.0
Qt Version: 5.15.8
Kernel Version: 6.1.25-1-MANJARO (64-bit)
Graphics Platform: X11

ADDITIONAL INFORMATION
Processors: 16 × AMD Ryzen 7 5700G with Radeon Graphics
Memory: 62.7 GiB of RAM
Graphics Processor: AMD Radeon RX 6700 XT
Manufacturer: Micro-Star International Co., Ltd.
Product Name: MS-7C56
System Version: 2.0

SIMILAR ISSUE?
https://bugs.kde.org/show_bug.cgi?id=466232 appears to be marked as resolved as
I am version 22.12.3. I see the fix is put in place for 23.04.0. Looks like
I'll be installing from GIT now. :)

NOTES
Unlike the similar issue, I did not use scripting mode, I manually set my edits
and placed them in the batch render queue if that has any bearing.

If 23.04.0 fixes my issue, I'll note this and mark it as resolved.

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