Unreal Engine Issues
Unreal Engine Issues
ApplyRootMotion**** ability tasks broadcast completion events before calling EndTask
UE - Gameplay - Gameplay Ability System - Mar 22, 2023Several ability tasks used to apply root motion sources on Characters have ordering problems between on-completion style events and ::EndTask / OnDestroy. UAbilityTask_ApplyRootMotionMoveToForce is ...
GameplayAbilities can only be triggered by Events OR Directly (not both)
UE - Gameplay - Gameplay Ability System - Mar 16, 2023GAS: RemoveActiveGameplayEffect crashes when called during world teardown for periodic GEs
UE - Gameplay - Gameplay Ability System - Mar 2, 2023AbilitySystemComponent crashes when RemoveActiveGameplayEffect is called during world teardown for an active gameplay effect that ticks periodically, by unsafe GetWorld()->GetTimerManager() access w ...
WaitGameplayTagQuery does not adhere to its Query rules if there are no tags on the Actor
UE - Gameplay - Gameplay Ability System - Feb 25, 2023Hello, I posted a bug submission some days ago on [Link Removed], however I received a mail asking me to repost it here instead. So here I go, even if it's not a question per say. Description: T ...
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 ...