Unreal Engine Issues

Performance Drop Occurring During PIE When Blueprint is Open

Having a blueprint open during PIE causes a significant drop in performance. Having multiple blueprints open can almost render more complicated projects unplayable. The user has reported 120 fps wi ...

Audio cue that is playing is restarted when a branch parameter is changed

When using a branch node inside of a Sound Cue, if that branch's bool parameter is changed while the cue is playing, the cue will be restarted from the beginning. Link to project: [Link Removed] ...

UX Regression on Open Asset Panel

In 4.8.3, open asset would allow you to type the beginning on an actor name, then press the down key and select it. In 4.9 p4, it takes an extra down key press to get to the list; Upon first down a ...

Garbage Collection Causes Lag in MAC Project

User reports lag regardless of the Garbage Collection settings, EXCEPT: If the user changes settings to 3 then lag becomes more frequent (approximately every 3 seconds verses every 5 seconds.) *Wa ...

Undocked Windows with a hidden tab cannot be unhidden, moved, or docked any longer.

Any undocked windows that have their tab hidden cannot be unhidden and the window cannot be moved. This is problematic because one this is done even if you close the window and reopen it via the Win ...

Anim notify gets skipped when clips are placed next to each other

If a sequence has two clips(of a same animation) placed next to each other, some of the anim notifies do not seem to be called. In 4.14, the middle notifies are skipped (e.g. notifyBegin/1st clip ...

Crash editing Landscape Splines with Level Sequence Open

A crash occurs when attempting to transform a landscape spline with a Level sequence open. It is important to note that no key framing or animating of the landscape spline control point is occurrin ...

Crash after Splash Screen on Android (ETC2) when Adding r.UseShaderCaching and r.UseShaderPredraw

A crash occurs when adding the two rendering variables 'r.UseShaderCaching' and 'r.UseShaderPredraw' when deployed to an Android device packaged for (ETC2). I ran a few more tests to try and isolat ...

Spawned skeletal animations don't animate

Enabling For Distribution doesn't set config to Shipping in DefaultGame.ini

After I ran the above steps and then packaged for Windows and iOS (using File > Package in the editor), my resulting executable was Shipping. So far this issue is cosmetic / confusing to the user ...