In the Editor details panel for a float, When entering a decimal of 18 numbers results in incorrect truncation.

Tools - Dec 24, 2018

In Editor details panels for a float value, when entering a decimal of 18 numbers results in incorrect truncation. ...

Pasting infinite bool section creates multiple sections on a track that does not support multiple rows

UE - Anim - Sequencer - Oct 21, 2022

Tracks that don't support multiple rows, can still have sections pasted on top of each other, which can lead to unexpected results. ...

Rhino Identical sublayer names get numbers appended to corresponding Actors

UE - Editor - Content Pipeline - Datasmith - Importer - Oct 15, 2018

In Rhino, it is possible to have a layer structure in which different parent layers have identical sublayer names. This is common in situations where you have multiple design options, each as a sepa ...

Crash when enabling "Support Material Layers" and adding an actor with a widget component to the scene

UE - Graphics Features - Nov 13, 2018

The editor crashes when adding an actor to the level that contains a widget component (the class has to have been set (if the class is set to none the crash will not occur)) and the setting "Support ...

Twin Stick Shooter pawn can wiggle through collision in corners of Example Map

Docs - Samples - Dec 24, 2014

If a user is using PIE and presses the twin stick shooter character blueprint against corners in the Example Map, it will clip through the objects and cross over to the outside of the map. Additiona ...

Component names do not increment correctly when duplicating a component whose name ends with a number

UE - Gameplay - Components - Apr 10, 2019

REGRESSION: Yes, this does not occur in 4.21. This also occurred before CL 58120777, which fixed [Link Removed] Duplicating or Copy/Pasting a component whose name ends in a number does not increme ...

Crash if the number of spline points is less the one spline point currently selected

Tools - Feb 26, 2020

Spline components with "input spline points to construction script" enabled causes crash when selecting a spline point and reducing the total number of spline points below the selected spline. Te ...

Enhanced Input does not fire a "Cancelled" event for mappings that were in progress, but removed during a key-rebuild

UE - Gameplay - Input - Apr 1, 2024

If the return value of a trigger goes from ETriggerState::Ongoing to ETtriggerState::None, without returning a ETriggerState::Triggered, then there should be a "cancelled" event that is fired when E ...

Ontextchanged is not fired in mobile device.

UE - Platform - Mobile - Jun 22, 2016

Ontextchanged is not fired in mobile device. Both iOS and Android. ...

"Enabled per poly collision" under "Support compute skincache" is ON causes a crash at runtime

UE - Simulation - Physics - Aug 16, 2018

It seems that "Enabled per poly collision" with "Support compute skincache" causes a crash at runtime immediately. We can easily reproduce it with ContentExample. The logs at the crash timing... L ...