Crash When Compiling Child Blueprint Containing a Custom Event with the Same Name as its Parent's Event

UE - Gameplay - Blueprint - Feb 10, 2016

Having a child blueprint that contains a custom event with the same name as a custom even that it is calling from its parent causes the editor to crash when attempting to compile the original parent ...

Get Ping in ms returns 9999 in a packaged game when tested on systems not on the same network

UE - Networking - Feb 25, 2016

Get Ping in ms returns 9999 in a packaged game when tested on systems not on the same network. This does not prevent Client connection to the Server. Note: my understanding is this would be caused ...

Crash when using "Convert to Seeded" on a Cascade Module

UE - Graphics Features - May 2, 2016

Crash when using "Convert to Seeded" on a Particle System Cascade module This is a Regression as it does not occur in 4.10 Error message: Assertion failed: *Offset < (uint32)InstancePayloadSize [ ...

[CrashReport] Assertion failed: !bRequireNormalization - UE4Editor_Landscape!ULandscapeComponent::ReplaceLayer()

UE - LD & Modeling - Terrain - Landscape - Jul 19, 2017

This is a common crash affecting users in 4.16, and has occurred since at least 4.14. Over 200 unique users have been affected, though they have provided little information. User DescriptionsI am a ...

[CrashReport] USpeedTreeImportFactory::FactoryCreateBinary()

UE - Editor - Content Pipeline - Import and Export - Sep 19, 2017

This is a common and longstanding SpeedTree import crash that has occurred since at least 4.14 for over 100 users. This seems to be the same issue as a previous Jira from 4.10 which was closed wit ...

UMG Slider displays long or wrong percentages when Step Size is set to 0.1

UE - Editor - UI Systems - Apr 24, 2020

When the Step Size is set to 0.1 for a Slider and Slider value is multiplied by 100, it will display weird numbers when moving the slider back from 100%. Changing the Step Size to 1 and changing th ...

Quality settings should not affect landscape resolution

UE - LD & Modeling - Terrain - Landscape - Mar 10, 2015

Changing the quality settings (or having them change on you automatically in the editor) drops mips on landscape heightmap textures, which isn't desirable as it makes it look like there are collisio ...

Water reflections and GI flicker in 5.4 and 5.3 (fine in 5.2)

UE - Graphics Features - Mar 7, 2024

Since 5.3 customers have been reporting flicker with water surfaces, demonstrating that in 5.2 this flicker is not present. [Link Removed] ...

LIVE: RENDERING: Movable Mesh does not receive shadows from Static meshes in static or stationary lighting

UE - Graphics Features - Apr 30, 2014

---------------------------------------------------------------------------------------------------------------------- Build: 4.1.0-2057451 Description: Movable meshes and blueprints set to cast n ...