VCAM 2.0 - No signal on iPad from Mac OSX

UE - Virtual Production - Tools - Virtual Camera - Jul 19, 2021

UDN case link with this ticket [Link Removed] ...

Overridden functions in Child Blueprints cannot be converted to/from pure functions

UE - Gameplay - Blueprint - Jun 27, 2015

Overridden functions in Child Blueprints cannot be converted to/from pure functions. Reproduced in 4.8.1 and Main (//depot/UE4/Promotable-CL-2601051) ...

Content Examples: Example 1.5 is stiff in Cloth Map

Docs - Samples - Apr 26, 2017

Example 1.5 on Cloth Map seems very stiff in 4.16 compared to 4.15. Regression: Yes Works in 4.15 ...

Crash in GetScreenRect on OPPO and Vivo devices

UE - Platform - Mobile - Jul 11, 2017

Assertion in a packaged build when Light propagation volume is set to 1

UE - Graphics Features - Sep 1, 2017

Assertion in a packaged build when Light propagation volume is set to 1 ...

GPU Particle Collision changes based on Normal Intensity on Colliding Surface

UE - Graphics Features - Jun 18, 2015

Increasing the intensity of a Normal Texture on a colliding surface will cause the collision of GPU particles to behave strangely, looks to be falling through floor, when you are using a Constant Ac ...

Data loss when FPlane is implicitly converted to FVector4

UE - Foundation - Core - Jan 3, 2018

The FSceneView::Deproject function calls FMatrix::TransformVector4 and passes an FPlane value. TransformVector4 takes in an FVector4 parameter, so the value being passed is implicitly converted to F ...

Custom events with a struct that has had its pin split will throw an error when adding variables to the blueprint

UE - Gameplay - Blueprint - Aug 26, 2016

Custom events with a struct that has had its pin split will throw an error when adding variables to the blueprint. The Struct appears to throw an error when making changes that are seemingly unrelat ...

Exported Particle Emitter Tries to Reference Graphs of Original System

UE - Niagara - Dec 7, 2017

User reports that the bug was initially discovered in 4.18 and then reproduced in 4.16 project (attached). Per User: For some reason when exporting this emitter to any other system bugs out. When ...

Crash When Toggling Visibility of Level with Planar Reflection

UE - LD & Modeling - Terrain - Landscape - Mar 26, 2018

This crash occurs in 4.19 and 4.20 but not 4.18. Repro'd in 4.19.0-3944462 and 4.20.0-3955769 and 3964322. This is a regression. Per UDN licensee: When I'm showing/hiding levels in editor (in le ...