Unreal Engine Issues

Waking both of a constraint's rigidbodies re-enables collisions between constrained actors that were disabled by a Physics Constraint Actor

Waking both of a constraint's rigidbodies re-enables collisions that were disabled by the physics constraint You can also get this issue to occur by either shooting the two cubes around a bit, or by ...

Crash: Device Lost after enabling SM6 within EngineTest and QAGame

This is marked as a regression as the option to set SM6 within the project setting is new.Testing on NVIDIA as we speak Issue with the same repro steps is not an issue on an NVIDIA 3000 series card ...

'Adding Jumping to the Character' video in the 'Building a Third Person Character' series doesn't load

'Adding Jumping to the Character' video in the 'Building a Third Person Character' series doesn't load. This issue isn't browser specific. All other videos within the series works. ...

Type Promotion nodes break connections to other nodes

Adding a Structure BP parameter with a Enum BP as a member to a Niagara Module Script crashes the engine

Adding a parameter of type structure bp which references an enum as a value to a module script crashes the engine. This issue is also occurring in 4.27. ...

Binary build cpp project Mac build results in "BUILD FAILED: AddBuildProductsFromManifest: .../MyProject/Binaries/Mac/UnrealEditor-MyProject.dSYM was in manifest "/Users/jack.porter/MyProject/Intermediate/Build/Manifest.xml" but could not be found."

Lighting Channels do not work with Forward Shading

Compressed anim sequence data isn't updated immediately when a mesh is reimported

It seems that when reimporting a mesh that has added bones we aren't updating the compressed data within the anim sequences to account for the change in indicies of the virtual bones. If a user cal ...

Compressed anim sequence data isn't updated immediately when virtual bones are added

It seems that the compressed animation data within an anim sequence is not updated immediately when a virtual bone is added to a skeleton. If the user attempts to call UAnimSequence::GetBoneTransf ...

[Mac, Linux] - Sample Rate changes from imported sample rate after playing preview for imported audio asset.

Sample Rate changes from imported sample rate after playing preview for imported audio asset. Tested this on Windows and it did NOT occur there. Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ ...