Unreal Engine Issues

Fire tower lights do not change when held down in StrategyGame on iOS

The fire tower charge effect is not working correctly on iOS. This was tested with an iPhone6S_6240 OS: 9.3.2 Does not occur on Android. Tested on Galaxy S7 ...

Indirect light cache rendering issue in editor viewport

Crash when quick binding a function in a class that extends LevelSequenceDirector

The purpose was to create a Level Sequence Director inheritance class so that the same event could be reused in multiple sequencers. Attempting to quick-bind this base Level Sequence Director event ...

Timer significantly lowers FPS as compared to tick running the same function

Timers set to a low time setting, but that are not set lower than tick, have a significant impact on FPS as compared to tick when updated a large number of objects at the same time. ...

Cast Translucent as Masked in the Material Editor is no longer working

When enabling the option for Cast Shadow as Masked in the Material for a translucent object the shadow is no longer baked when building lighting. Using Stationary or Static Lighting will give the sa ...

Nested material functions can generate duplicate shader code

Track color in the light track doesn't match the color in the details panel

Request to add manual overrides to "Equals()" function on input modifiers

From the user:  > Up until 5.3.1 those input modifiers were identical apart from the instanced data. If you upgrade to 5.3.1, not taking the new IMC files, the sensitivity settings will never get a ...

Unimplemented Simplygon function causes empty mesh LODs and crashes

When we do the refactor for MeshDescription we miss the staticmesh reduction project settings option and change only the quadric reduction. There are two possible fixes for this issue: 1. Implemen ...

Crash when building lighting with a skylight that draw lit translucent material

A common crash affecting many users in 4.17.0 ...