values for pinch input produce very different results for same area on android device

UE - Platform - Mobile - Oct 13, 2017

Values for pinch input produce very different results for the same area on an android device. values can range from 0 to 1, or end up in the thousands, despite the pinch distance being the same. It ...

Checkbox steals input when set to "Self Hit Test Invisible"

UE - Editor - UI Systems - Nov 9, 2017

There is an issue with the checkbox taking input when the visibility is set to "Self Hit Test Invisible". It should not be taking input as it should have the same properties as "Hit Test Invisible", ...

Engine Crashes On Scene Close When An Actor Is Spawned With Templated FActorSpawnParameters

UE - Simulation - Physics - Mar 5, 2020

When an actor is spawned with Spawn Parameters that are templated the engine crashes when closing a scene. This wasn't happening when there wasn't a physics constraint on the spawned blueprint. Thi ...

SBasePoseViewport should use ExtendedBounds, not ImportedBounds

UE - Anim - Rigging - Jun 16, 2020

In accordance with CL-9139422 of [Link Removed], the SkeletalMesh ImportedBounds does not have an Extend operation. However, SBasePoseViewport, the UI for retagettes, continues to use ImportedBounds ...

Crash occurs in Hierarchical Instanced Static Mesh of Mesh with MinLOD set to 1 or higher

UE - Graphics Features - Oct 22, 2020

I have attached a reproduction project with the above settings.[Link Removed] It crashes when packaged, launched and moved in-game. This issue seems to occur when there is an object in the Unbuilt ...

Scaled Geometry Collection made from non-basic Static Mesh Crashes Editor

UE - Simulation - Physics - Destruction - Nov 14, 2022

Reproduced 3/3 times. So far tested with the Chair and Statue from the Blank Template Editor Default level. Error Reads as follows:Assertion failed: IsValid() [File:D:\build\++UE5\Sync\Engine\Source ...

Deleting a Virtual Camera Actor disables Gamepad Input across Editor

UE - Virtual Production - Tools - Virtual Camera - Jan 6, 2023

Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Issue seems to occur when the Virtual Camera actor is fully initialized? If Editor is res ...

Jitter playing animation on actor located far from origin

UE - Anim - Runtime - Mar 12, 2024

A licensee has reported an issue with jitter when playing animations on an actor translated far from the origin (300000.0 units).  This repros on the First Person Template.  The issue is more obviou ...

UHapticFeedbackEffect_SoundWave Initialize does not populate Raw Data in the HapticsBuffer

UE - Platform - XR - Jul 19, 2024

From the UDN:  >  Open HapticsFeedbackEffect.cpp and naivgate ~ line 150; note HapticBuffer has length populated but never write the actual buffer data. LikeReplySelect as Best Seems like a simple f ...

Bundled compute PSO compilation stalling tender thread

UE - Rendering Architecture - RHI - Feb 13, 2025

A licensee has pointed out a potential bug they found related task graph synchronization and when compiling compute PSOs: [Link Removed]. From the screenshot they sent over, it seems that a task gra ...