A crash happens with a combination of Event Receive Tick AI and a pawn losing possession

UE - AI - May 18, 2022

User reports this is a regression because it worked in 4.27, but they converted to 5.0.1 and now it causes a crash. However, I'm unable to verify this at this time. A crash happens with a combinati ...

Chaos : Rigid body sleeps when very small external force is applied by AddForce

UE - Simulation - Physics - Solver - May 25, 2022

When a small external force is applied to the rigid body, the VSmooth value is reset in the ResetVSmoothFromForces function. Since this function ignores the current velocity, a very small velocity ...

Requesting Android Permissions causes an Ensure on Android Devices

UE - Platform - Mobile - Nov 14, 2022

Regression: Tested in UE5/Release-5.0 at CL 20979098 and the issue occurs. Issue would load in to the project without asking for permission and cause an ensure to occur, in 5.0.3 the issue would ca ...

Deferring Blueprint CDO construction at load time is leading to some data loss.

UE - Gameplay - Blueprint - Jan 27, 2023

Various licensees are reporting data loss on load due to the change that was made for [Link Removed] in which we now defer Blueprint CDO construction on load until the finalization phase. This issu ...

Enabling Use Pawn Control Rotation on a SpringArm component does not set the rotation values to zero, and subsequent rotation is not allowed after the setting is disabled

UE - Gameplay - Player Movement - Jan 2, 2016

Enabling Use Pawn Control Rotation on a SpringArm component does not set the rotation values to zero. Subsequently disabling Pawn Use Control Rotation make rotation of the component impossible until ...

CRITICAL: Regression: CRASH: SHOOTERGAME: Client crashes when using ServerTravel command

UE - Networking - Sep 17, 2014

Update (5/4/15): New repro steps using Main (//depot/UE4/Promotable-CL-2535351): 1. Create a new Blueprint project 2. Create 3 new Levels: MainMenu, Lobby, and Level 3. Create 3 new GameModes: Main ...

Complex Collision as Simple causes odd Overlap behavior

UE - Simulation - Physics - Jan 25, 2016

When triggering overlap events with a Static Mesh using Complex Collision as Simple, the overlap Begin and End events will be triggered rapidly in sequence. Changing to Default collision will fix t ...

Sequencer Auto-key will incorrectly place a key for rotation if the object's rotation is not between -180 and 180

UE - Anim - Sequencer - Aug 17, 2016

Sequencer prefers rotation to be specified between -180 and 180, while the details panels prefer between 0 and 360. When auto-key is on, sequencer will add a key that does this conversion despite th ...

The 'Console Variables' option does not Output an HTML file

Tools - Aug 23, 2016

No HTML file is created when using the newly added 'Console Variables' help menu option. This option is the same as entering 'Help' into the console command window. Neither of these options produce ...