Unreal Engine Issues

Enhanced Input System + FlushPressedKeys behave questionably together

Adding an Input Action to a Mapping Context causes the drop downs to expand and collapse randomly

bIgnoreAllPressedKeysUntilRelease only applies to keys in the previous mapping

This is because the RebuildControlMappings function only checks this flag when you have a mapping that was already added, we should apply this for any new mappings as well.  I'll update the repro s ...

GetMouseX returns stuttering value if ShowMouseCursor is enabled

Showing the mouse cursor and holding down the left mouse button while dragging will cause the MouseX event to broadcast incorrect axis values.  ...

ETriggerEvent::Canceled is not set when the player controller is set to "UI Only" in Enhanced Input

From the UDN:When setting the PlayerController input mode to "UI Only", all game inputs are blocked/frozen to their current state, and release (ETriggerEvent::Canceled) is not called on them. Any in ...

Mouse Y axis not working using ArchVisCharacter.

The Mouse Y axis does not work when assigning LookUp key bind in the project setting. If assigned the mouse will look left/right while moving the mouse and down. ...

Gamepad_Special_Left is bound to different buttons on Windows and Mac for P.S4/5 Controllers

On Windows: Gamepad_Special_Left is triggered by pressing the touchpad button On Mac: Gamepad_Special_Left is triggered by pressing the "Share" button ...

Trying to chord two buttons already mapped to actions to fire a third action when both are actuated fails.

We're aiming to set up LT - action 1, RT - action 2, LT + RT - action 3 here. I don't think this is supported via chording at present. You'd need to handle it manually (probably via adding/removing ...

Lyra standalone game instance crashes when Player #2 equips new weapon

Discovered while testing Lyra project for //UE5/Main - Foundation Shelf - FAssetDataGatherer Stall Fix Smoke. This issue is NOT dependent on the shelf and occurs without the unshelved files. This ...

Input isn't recognized for Shift+F, or just the F key when the Shift key is also pressed down

This is a regression Tested in: //UE4/Release-4.26.2 CL15973114 Binary - Did not reproduced //UE4/Release-4.27.1 CL17735300 Binary - Reproduced //UE5/Release-5.0-EarlyAccess CL16682836 Binary - Repr ...