Hotfix 0.19.4

[p]Improved: The run history kill composition now includes an 'Other' row for unaccounted kills.[/p]
[p]Fixed: Too many elite zombies were spawning.[/p]
[p]Fixed: The dumbbell effect didn't reset when playing multiple runs in one session.[/p]
[p]Fixed: Due to the lowered incremental upgrade prices in version 0.19, some upgrades were stuck and could no longer be interacted with.[/p]
[p]Fixed: slight memory leak over multiple runs.[/p]
[p]Fixed: Some German translations.[/p]
[p]Fixed (potentially): A rare crash caused by the NNEDenoiser plugin triggering the D3D12 layer.[/p]
[p]Fixed (already included in hotfix 0.19.3): Twitch integration airdrops causing crashes.[/p]