Unreal Engine Issues
Unreal Engine Issues
Montages played by GAS do not respect Blend Out Time
UE - Gameplay - Gameplay Ability System - Dec 15, 2022Replicated Montages played via GAS are not blended out using the BlendOut time set in the Montage, and are instead blended out using the BlendIn time ...
AbilityTask_NetworkSyncPoint can cause duplicate Gameplay Effect applications
UE - Gameplay - Gameplay Ability System - Dec 12, 2022A recent change to UAbilityTask_NetworkSyncPoint generates a second Prediction Key before broadcasting the OnSync delegate which may be preventing the server from removing the locally predicted GE ...
GAS: RemoveReplicatedLooseGameplayTag on unadded tag causes it to be replicated
UE - Gameplay - Gameplay Ability System - Nov 17, 2022A UDN user found that calling AbilitySystemComponent->RemoveReplicatedLooseGameplayTag(TagToRemove); while the gameplay tag was not in the TagMap, will create an entry for it with count 0, see ...
GAS and single process PIE: modifiable static variables accessed by server and client
UE - Gameplay - Gameplay Ability System - Nov 16, 2022See: UAbilitySystemGlobals::HandlePreLoadMap GAS features static variables that are modified by both server and client, thus result in issues in single process PIE where they access the same memory ...
GAS: UGameplayEffect tags async loading race condition
UE - Gameplay - Gameplay Ability System - Oct 12, 2022User reported game thread and async loading thread accessing a UGameplayEffect property at the same time:Game thread having loaded a GameplayEffectA and in its PostLoad() updating the property Inher ...
Gameplay ability blueprints cannot be debugged in multiplayer
UE - Gameplay - Gameplay Ability System - Aug 19, 2022The object filter in the blueprint debugger can be used to filter breakpoints to a specific instance of an object. This is important for multiplayer because there will be multiple versions of the sa ...
GameplayCueNotify Actors not removed on Clients upon duration-based GameplayEffect expiration
UE - Gameplay - Gameplay Ability System - May 24, 2022GAS: Mixed replication mode and error in MinimalReplicationTags code
UE - Gameplay - Gameplay Ability System - Apr 6, 2022We're on 4.25.4. We recently turned on mixed mode replication for GAS, which seems to work fine and reduce bandwidth as expected. However one of our unit tests started failing with this error messag ...
Gameplay Effect Modifiers with Target Tags are Applied Incorrectly
UE - Gameplay - Gameplay Ability System - Mar 9, 2022If you have a Gameplay Effect that uses an Attribute Modifiers, and this modifier has Target Tags specified, the modifier is applied unexpectedly:Adding a Required tag on the Target, the modifier do ...