Unreal Engine Issues

Use Mouse for Touch leads to fire Released and Clicked with Pressed at the same time for UMG Button

Pressed, Released and Clicked should be fired in the same manner w/wo Use Mouse for Touch option. These three events are fired at the same time when enabling the option. [Image Removed] ...

GetKnownPerceivedActors doesn't stop calling when specified AISense should be forgotten

There is a difference in implementation and set of checks that are made in GetKnownPerceivedActors() depending on if you use specific SenseClass or leave it as nullptr (so it will return info for al ...

MoviePipeline: Cannot add per-shot {file_format} name overrides

void UMoviePipelineBlueprintLibrary::ResolveFilenameFormatArguments(const FString& InFormatString, const FMoviePipelineFilenameResolveParams& InParams, FString& OutFinalPath, FMoviePipelineFormatArg ...

[MetaSounds] - Changes to Sort Order do not undo/redo as expected

Changes to the sort order do not revert the order of inputs on a node when undone. It will change if the node is refreshed or the graph is saved, however. ...

Lumen causing exposure issues when several viewports are opened

TRASH_Comp in Octree that missing unregister

the reproduce video and project are in the slack links: Slack Link: [Link Removed] ...

Landscape Grass Type will not build with static lighting leaving 'Lighting needs to be rebuilt warning.'

When using the Landscape Grass Type and using a Static or Stationary light will throw the 'Lighting needs to be rebuilt' warning. ...

Cannot compile project with dedicated server in 4.8

If a project has built a dedicated server executable then it will fail when trying to convert the project from 4.7.6 to 4.8. EDIT: Following the steps on the wiki page for Dedicated Servers () in 4 ...

Child Actor Component references are not sent to the Server through a Run on Server RPC

Child Actor Component references are not sent to the Server through a Run on Server RPC. Test project attached. Reproduced in 4.9.2 binary and Main (CL# 2758903). ...

A function in a Blueprint Function Library that references another function in that library cannot be saved after closing and reopening the project

A function in a Blueprint Function Library that references another function in that library cannot be saved after closing and reopening the project. The library will save without error until the pro ...