Opening Gameplay Debugger while in PIE removes print string output from screen in subsequent PIE modes

UE - AI - Apr 23, 2015

If a user opens gameplay debugger ( ' pressed while in PIE), all print string outputs to screen disappear, and will no longer appear during any PIE session until editor is closed and re-opened. Wo ...

Editor Crashes when copying/pasting a custom event function that was within a separate function to an event graph if the custom event was created in another blueprint

UE - Gameplay - Blueprint - Jan 16, 2015

Editor crashes when a custom event node is called as a function within a different blueprint in a separate function, then copied and pasted into the event graph of the second blueprint, the executio ...

Ctrl+z while playing in the blueprint editor will undo history

UE - Gameplay - Blueprint - Jun 9, 2015

When pressing play within the blueprint editor, if you use control & z, it'll revert your changes you've made to the blueprint. Which could cause people to lose their progress in their blueprint tem ...

Cannot "hit" character in PhysicalAnimation Content Example 1.2

Docs - Samples - Oct 8, 2015

Cannot "hit" character in example 1.2 of the PhysicalAnimation map in Content Examples Does not occur in 4.8.3 ...

SingleSampleShadowFromStationaryLights does not work in UE5 (when GPU-Scene is used)

UE - Graphics Features - Shadows - Jul 21, 2022

The flag is not propagated in FPrimitiveSceneShaderData::FPrimitiveSceneShaderData and so is missing in GPU-Scene primitive data. Need to add: .UseSingleSampleShadowFromStationaryLights(Proxy->UseS ...

Affect Indirect Lighting While Hidden can affect the environment after data layer unload in editor

UE - Graphics Features - Sep 9, 2024

After setting Affects Indirect Lighting While Hidden but before saving the level, the emissive contribution persistents through datalayer visibility toggles. This does not appear to occur in PIE, on ...

Spawned skeletal animations don't animate

UE - Anim - Sequencer - Oct 30, 2017

Web browser widget renders white for certain web pages on Android

UE - Platform - Mobile - Aug 27, 2019

When loading certain web pages with the Web browser widget on android, the web browser widget appear to fail to fully load the page. The page results in a white screen only. ...

VR Trackpad Axis Values 0

UE - Platform - XR - Dec 16, 2019

Trackpad Values return 0 Additionally: I also observed that the Go's trigger is registering as Trigger MotionController (R) Facebutton 1  and that previously there were MotionController (R) Thumb ...

When editing a Niagara module an error can occur if using non-module functions, even with a correctly set usage bitmask

UE - Niagara - Feb 14, 2023

When editing the module the call to FHlslNiagaraTranslator::HandleDataInterfaceCall has the usage "Module", so it treads the module as if that was its stack context, even though the module's usage b ...