Unreal Engine Issues

Crash when trying to "Update Mesh Section" on any procedural mesh just after "Clear Mesh Section" and "Create Mesh Section" for different vertices and triangles.

the editor Crashes when trying to "Update Mesh Section" on any procedural mesh just after "Clear Mesh Section" and "Create Mesh Section" for different vertices and triangles. Found in 4.19 CL# 4033 ...

Using the old DOF algorithm doesn't work properly

When using CircleDOF with the old algorithm it will not properly blur objects close to the camera.  Working properly in 4.19 CL# 4033788 Found in 4.20 Preview 2 CL# 4121666 and 4.21 CL# 4131780 T ...

Unable to call several functions in UMovieSceneParameterSection due to them not being exposed outside of the module

The AddScalarParameterKey(), AddVectorParameterKey(), and AddColorParameterKey() functions in the UMovieSceneParameterSection class are not currently exposed to be called from outside of the module. ...

GameplayTag Query on Component Instance resets when reloading level

GameplayTagQuery variables - when inside of a component, are not saved. User notes: "Note that this does not occur if the ActorComponent is added in code in a native actor and that the actor at S ...

Crash when using Find in Blueprints with String Table references

Iterative Cook does not only cook new content from Unreal Frontend

Using iterative cooking should only cause new or changed content to be cooked but in the Unreal Frontend, content is cooked every time, despite nothing being added or edited. Logs from two subseque ...

Enable HDR Display Output on Game User Settings Crash

Crash when attempting to enable HDR via UserSettings This crash will also occur when project is fullscreen. User's Environment: "I have an Nvidia GTX 1080 Ti and have two monitors attached: 1. ...

Delay nodes occasionally don't fire the "Completed" output in a nativized build.

This happens when the 32-bit LatentUUID signed integer that we generate for the delay node starts with "-1" when converted to an FString (e.g. "-1824950080"). During compilation, we pack latent fun ...

Copy Pose From Mesh Node Does Not Preview in Sequencer

Copy Pose From Mesh node does not affect the animation when previewing in Sequencer. This works when played in the editor. ...

When Client Side Navigation is enabled, it is only initialized Server Side

'Allow Client Side Navigation' no longer appears to register Client-side navigation in 4.20. In 4.19 the logic that was setup to check for it returns both Client and Sever Side navigation systems as ...