Editor becomes unresponsive while Compiling with Save on Success of a Widget Blueprint that contains a Breakpoint in Pre Construct

UE - Gameplay - Blueprint - Aug 2, 2023

This is not a regression. Tested in //UE5/Release-5.2 CL26001984 Editor becomes unresponsive after compiling with save on success a widget blueprint that has logic flagged with a breakpoint within ...

IES Texture Icon changes to a gradient bloom once assigned

UE - Editor - Workflow Systems - Sep 13, 2023

This is not a regression. Tested in //UE5/Release-5.2 CL26001984 After assigning an IES Profile to a light the icon for that profile updates to a gradient bloom preventing the profile from being pr ...

Water body constructor dirties actor

UE - Graphics Tools - Terrain - Water - May 29, 2024

Modify gets called from AWaterBody constructor: WaterSplineMetadata->Reset(3); WaterSplineMetadata->AddPoint(0.0f); WaterSplineMetadata->AddPoint(1.0f); WaterSplineMetadata->AddPoint ...

bIgnoreAllPressedKeysUntilReleaseOnRebuild in Enhanced Input behaves unexpectedly during pawn possession

UE - Gameplay - Input - Jun 11, 2025

This is a speculative bug report from the user.  The fix for this is to re-do the work of 31224705 but in a better way. The "bShouldBeIgnored" flag is being overriden by the previous mapping's va ...

Crash opening levels with landscape in them via the command console in standalone game

UE - LD & Modeling - Terrain - Landscape - Aug 8, 2016

Standalone game is crashing when opening certain maps using the command console. Crashed QA-Promotion QA-Landscape TM-VRSmoke No Crash QA-Decals QAEntry ...

Enabling the experimental Unit Test Framework in a project results in the Editor crashing whenever that project is opened

UE - Gameplay - Blueprint - May 2, 2016

A user decided to test the experimental Unit Test Framework plugin that was included with 4.11. The user discovered that the Editor will crash whenever opening a project that has this plugin enabled ...

Editor crash when adding a spline component after having deleted another spline component

UE - Gameplay - Sep 26, 2016

After adding a duplicate spline point, removing the spline component while the duplicated point is selected and creating a new spline in its place causes the editor to crash. Crash Reporter: [Link ...

Crash Occurs When Using Invalid HideCategories

UE - Gameplay - Blueprint - Aug 8, 2016

The licensee is experiencing a crash when using UCLASS(HideCategories = (Activation, LOD, Collision, Rendering, TextureStreaming, Lighting, Mobile, Transform, Physics, Tags)) This crash occurs afte ...

Float Curve that is set as a local variable in an actor's function is garbage collected when in Standalone, causing a crash

UE - Gameplay - Blueprint - Sep 9, 2016

If a Curve Float local variable is created for a function, it will be garbage collected when garbage collection occurs. This causes the process to crash due to an null pointer error whenever it is r ...

Editor crashes when copying a copied instance of a blueprint in the level.

UE - Gameplay - Blueprint - Aug 9, 2016

Editor is crashing when copying a copied instance of a blueprint in the level. We were unable to reproduce this issue adding a component to the blueprint through the blueprint editor. This issue on ...