[BUG] External SRT subtitles fail to render on T3- VS10 SDR regression?

[Phil365]

Describe the bug

External SRT subtitles detect perfectly in menu (shows "English"/track name, subtitleenabled: true in logs) but fail to render (no text overlay, blank subtitle line) on PlexKodiConnect streams and local SDR MKV files with external .srt files (perfect filename match, same folder).

Two distinct bugs:

Bug #1 (existing advancedsettings.xml before storagedir line):

• "OpenStream - Unable to create subtitle parser" crashes SRT loading
• Reboot insufficient - needed storagedir line

Bug #2 (existing advancedsettings.xml after storagedir line):

• SRT works → skin switch (Estuary ↔ Arctic Fuse) → blank → reboot fixes

How to reproduce

Bug #1:

1. Play PlexKodi SDR MKV + SRT → blank ("parser fail")
2. Reboot → still blank

Bug #2 (after advancedsettings.xml <storagedir>/storage/subtitles</storagedir> → forces path scan):

1. SRT works perfectly ✓
2. Skin switch → blank line
3. Reboot → works ✓
4. 2h+ stable ✓

Information

• CoreELEC: 21.3-Omega_p3i_T3_20260307222442
• Hardware Platform: UGOOS AM6B (g12b_s922x_ugoos_am6b)
• Skin: Arctic Fuse 3/ Estuary (both)
• Kodi: 21.3-p3i

Log file

01_KODI_CLEAN.log

Context

Bug #1 fix: advancedsettings.xml <storagedir>/storage/subtitles</storagedir> → forces path scan.
Bug #2: Skin corrupts VS10 overlay/cache state?

[Phil365]

Update (24h later)

After ~24 hours of uptime, external SRT subtitles stopped rendering again on the same content.
A full box reboot immediately restored subtitle rendering.

[Phil365]

Updated to T3a having the same issue, a few hours after the install the Subtiltles were not showing up but a reboot fixed it.

[pannal]

And this issue keeps coming back?

[Phil365]

Hey there, indeed but I think I should format and do a clean install, it seems I'm the only one that have those issues. Also I do have specific color and settings for SRT subtitle in the subtitle section so maybe I would need to clear those settings and see if that impacts...

[pannal]

Any news?

[Phil365]

I've updated to T3b and the same issue resurface. I haven't tried formatting and do a clean install but seeing I'm the only one that seem to have this issue it seems anecdotal at the minute, I just need to reboot when it does that.