SUMMARY I use Kdenlive Version 25.08.02 with Incompatibility issues (codec compliance). Youtube does not play videos consistenly OBSERVED RESULT When i render with ULTRA HIGH DEFINITION 4K MP4 265(HENC),butsound is OK. When i generate video at GENERIC(...) MP4 264/AAC the playback(In YouTube always) is fine. My settings (both of them) remain the same (Render Full Color,Custom Quality 100%,ab=160k acodec=aac channels=2 color_range=pc crf=15 f=mp4 g=15 movflags=+faststart preset=slower real_time=-1 threads=3 vcodec=libx264) ADDITIONAL INFORMATION If you find it usefll YouTube with problems is : (https://studio.youtuube.com/video/BPheDtAuVwo/edit). Also in PC i did not find any problem. The two versions played without any problem
I use Kdenlive Version 25.08.02 with Incompatibility issues (codec compliance). Youtube does not play videos consistenly when i render with ULTRA HIGH DEFINITION 4K MP4 265(HENC),butsound is OK. When i generate video at GENERIC(...) MP4 264/AAC the playback(In YouTube always) is fine. My settings (both of them) remain the same (Render Full Color,Custom Quality 100%,ab=160k acodec=aac channels=2 color_range=pc crf=15 f=mp4 g=15 movflags=+faststart preset=slower real_time=-1 threads=3 vcodec=libx264) If you find it usefull the link of the version with problems is (https://studio.youtube.com/video/BPheDtAuVwo/edit) Also in PC i did not find any problem. The two versions played without any problem