Unreal Engine Issues

Mouse dragging cursor accelerates significantly on Mac

This also occurs in 4.14.3 This does not occur on Windows. Could not get this issue to reproduce while recording the screen with quicktime player, but if you experience it in person it really feel ...

Sequencer Render: Animation not updating for a moment on camera cut

When rendering from sequencer to an image sequence, character animation stops for 2 frames after a camera cut. This hitch does not occur when playing the sequence in PIE I've attached some sample d ...

Destructible mesh: New generated Fracture Materials don't have any responded surfaces

I think this issue was happen since 4.18 in which version Apex Destructible was move to Plugin ...

RVT output from Landscape Height gets incorrect mip cache loaded

I test it for more information for your reference:It happens only when a Landscape *Height *was output to the RVT, other Landscape's maps like BaseColor are all fine, as well as Height output from o ...

Collab Viewer Template menu does not function properly in VR Preview

Regression: Tested this issue in Release-5.0, this issue did not occur so regression is yes There are chances that the menu will disappear as if functioning properly, but it locks out all control f ...

BlackmagicMediaSource causes a memory leak if "Just-In-Time Rendering" option is ON.

Since 5.3, BlackmagicMediaSource causes a memory leak. This didn't happen on 5.2. You can see the leak on PIE. [Image Removed] [Image Removed] If "Just-In-Time Rendering" option in the MediaB ...

File format of HighResShot is different from HighResShot command and High Resolution Screenshot menu on the Editor

High Resolution Screenshot menu on the Editor saves png file, but HighResShot console command saves bmp file. But licensee wants to use same format. ...

Possible incorrect pointer manipulation in BeginPackageCacheForCookedPlatformData

In UCookOnTheFlyServer::BeginPackageCacheForCookedPlatformData(), there is a pointer to int32 called CurrentAsyncCache that is used as an index. It's value is dereferenced before it is checked, but ...

AttachComponentToComponent node does not change the location of a Spawned particle system at runtime

You can use the "Spawn Emitter Attached" function as a work around ...

pose search cook determinism issue