Display 1.2 bouncing ball has a typo in the Math Hall of ContentExamples

Docs - Samples - Sep 19, 2016

Just a typo that needs to be fixed. ...

Editor crashes with 2 or more Clients when spawning in a Blueprint created from a Static Mesh using the Blueprint/Add Script button

UE - Networking - May 14, 2015

Editor crashes with 2 or more Clients when spawning a Blueprint created from a Static Mesh using the Blueprint/Add Script button. Blueprints created from Static Meshes using other methods do not cau ...

TAssetPtrs are not properly fixed up in client PIE instances

Tools - Aug 18, 2015

Contrary to the linked UDN question, this doesn't seem to require the actor to be replicated. The problem is that when UWorld::DuplicateWorldForPIE is called for a PIE client instance's persistent ...

TimeSynth Counts Beats: 1,2,3,0

UE - Audio - Apr 2, 2020

TimeSynth Counts Beats: 1,2,3,0 Link to project files: https://forums.unrealengine.com/unreal-engine/announcements-and-releases/asset-sharing/1724414 ...

Non-Power of 2 images are not rendering on iOS devices

UE - Platform - Mobile - Feb 2, 2015

If you create a UMG with an image in the Umg that is not a power of 2, The image will not appear on an iOS device. Tested this on a Android device (Nexus 5 with ETC1 and ATC. PVRTC will not allow t ...

PIE registers 2 Default Brushes in the blank level

Tools - Jul 3, 2017

PIE registers 2 Default Brushes in the blank level. It's expected behavior to have 1 Default Brush, which is the case in other play modes, but PIE registers 2. Licensee Description: This is an iss ...

Using a fixed frame rate will cause you to leave the loop section of Montage.

UE - Anim - Runtime - Dec 10, 2021

This problem only occurs when the fixed frame rate is 30 and the Sequence Lenngth of the loop animation is 1.66667. If turn off the fixed frame rate setting, it will behave as it should. ...

Engine no longer compiles after backporting RHI thread improvements and crash fix

UE - Rendering Architecture - RHI - Apr 24, 2025

Unreal Engine 5.4 code will no longer compile after applying both the RHI improvement code changes as described in [Link Removed] and the fix for the crash described in [Link Removed]. The compilati ...

All clients return "Client -2:" when using a print string in UMG

UE - Gameplay - Jul 5, 2016

All clients return "Client -2:" when using a print string in UMG ...

Cannot "hit" character in PhysicalAnimation Content Example 1.2

Docs - Samples - Oct 8, 2015

Cannot "hit" character in example 1.2 of the PhysicalAnimation map in Content Examples Does not occur in 4.8.3 ...