Preview Instance can still trigger print strings when you PIE

OLD - Anim - Apr 10, 2015

In the given answerhub example, the user has a print string coming from IsNotValid on a check of *TryGetPawnOwner*. This is returning a false negative to him when he PIE's because the Preview insta ...

Android Galaxy S 3 (Mali) or Galaxy Note 2 (Mali) Mobile Devices Not Rendering BSP

UE - Platform - Mobile - Nov 13, 2014

When the user launches a packaged game for the Android S3 Mobile Devices, any BSP's that were in the level are not visible. Collision still exists, but they are not visible when playing. ...

Logging in Shipping Builds on Android are not saving

UE - Platform - Mobile - Oct 17, 2016

Logs aren't being saved on Android devices, even when the source files are updated to reflect output logs. However, they were working in 4.12. iOS logs are showing up in shipping. ...

Cannot PIE; Data Table Still Being Edited

Tools - Dec 22, 2015

After making some changes to a Data Table, attempting to PIE fails and returns this error message: Cannot Play In Editor When Performing Edit MemberVar_1 operation. This occurs after closing and sav ...

Notifies near start of animation do not trigger when played through slots

OLD - Anim - Apr 6, 2016

Notifies near the start of an animation do not trigger when played through slots with either the PlaySlotAnimationAsDynamicMontage or with a Montage. There could be other instances of this, but the ...

Editor Crashes When a Component and Actor Implement Two Interfaces

UE - Gameplay - Blueprint - Oct 16, 2015

The editor crashes if you implement two blueprint interfaces in an actor blueprint, and then an actor component blueprint. These interfaces must have at least one function that returns a value. The ...

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

Colors of Individual Lens Flare Tints Cannot be Changed in UE 4.18+

UE - Graphics Features - Jun 15, 2018

If you create a project in 4.17 and follow the Repro steps, you will be able to adjust the colors of individual lens flares. If you copy the 4.17 project into 4.18, 4.19, 4.20 Preview, or 4.21 the f ...

Actor Sequence Component doesn't work when actor is spawned in runtime

UE - Anim - Sequencer - Jan 27, 2021

It works in the PIE and standalone mode. But after packing the build, the animation won't start in runtime. ...