Unreal Engine Issues

Crash when playing HLS video with ElectraPlayer on iOS16

Licensee reported crash when playing HLS video with ElectraPlayer on iOS16. According to their research, we can avoid the fix by doing the following: Delete check() in the corresponding line Engine ...

Media Plate with multiple Materials changes Element 0 to the default material if 'Use Media Plate Default' is selected for any other element

Media Plate isn't a feature of 5.0.3 so this is not a regression. Media Plate with multiple Elements changes Element 0 to the default material if 'Use Media Plate Default' is selected for any other ...

Game Crashes when playing 2nd Startup Movie

Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. I've tried enabling the Media Movie Streamer plugin & Electra Player plugins, but Game cr ...

Visual delay when using Seek in media player blueprint

Reproduced about 6 times from 9 attempts. Regression TBD. ...

Electra video playback fails if project or package is under multibyte characters path

The URL parser encodes the input path to a URL-encoded path even if it is local, so if the path contains unicode characters (such as Japanese Kanji ), the media file cannot be read. Following worka ...

IVideoRecordingSystem::EnableRecording call on Windows shifts viewport drawing position

The viewport is shifted by the IVideoRecordingSystem::SetRecording call. This problem occurs in play standalone mode and packaged build running as window mode. (not occur in fullscreen mode) The vie ...

.mp4s cannot be played in default projects in UE5.

In UE4 (using DX11), WmfMedia was able to play .mp4 files by default. However, WmfMedia doesn't support playing .mp4s in DX12, which is what is used in UE5. Electra can handle playing .mp4s in UE5, ...

Media framework doesn't play back in DX12

[Electra] Electra fails to play video after the second time with the fast Vsync option via NVIDIA control panel

It seems to be a NVIDIA's driver-side issue.  ( Driver version is 511.79. ) The users can avoid the error by canceling the fast VSYNC option and reverting to the default VSYNC setting. Alternative ...

Image Media Source does not display properly on Mobile

Image Media Source does not display properly on Mobile Regression Unconfirmed, can't check issue in 4.26, because project can't be opened on that version. ...