Bug 473981

SUMMARY
With Haruna 0.12, media files do not start playing automatically when opened. They did and still do play automatically with 0.11. No mention in the Debian changelog about changed behavior, nor can I find any new option in the settings that would control this. Same settings used in both versions. 
Installed 0.12.0-1 with apt from Debian sid repo and compared against 0.11.3-1+b1 from Debian testing. Another user confirmed the issue exists with 0.12 flatpak.

STEPS TO REPRODUCE
1. Open media file, any file format
2. Observe automatic playback situation

OBSERVED RESULT
Media files do not start playing automatically when opened.

EXPECTED RESULT
Media files should start playing automatically when opened. Ideally there would be a setting to control this behavior.

SOFTWARE/OS VERSIONS
Operating System: Siduction (Debian sid base)
KDE Plasma Version: 5.27.7
KDE Frameworks Version: 5.107.0
Qt Version: 5.15.10
Kernel Version: 6.5.0-1-siduction-amd64 (64-bit)
Graphics Platform: Wayland

ADDITIONAL INFORMATION
inxi -b https://pastebin.com/zpGFK3pr
Confirmed issue with the following file formats; MP3, MP4, MKV, WEBM, FLAC.
X11 was not tested on my end.