[1.27] Firearms desync when shooting while aiming down sight
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Description

When shooting while aiming down sight (both ironsights and optics) there is a desync in shots trajectories. (the issue doesn't occur when shooting without aiming down sight, as you can see in the first video)

Also it appears to occur when two players are somewhat far from each other

Details

Severity: Major
Resolution: Open
Reproducibility: Always
Operating System: Windows 10 x64
Category: Multiplayer

Steps To Reproduce

Get two players at around 50m from each other
Shoot in a direction
Observe projectile trajectory divergence between clients

Additional Information

The issue has been reproduced with the diagnostic executable v1.27.159420, but it has bee initially reported to me from a player on normal server who observed tracers bullets being affected by the issue

Event Timeline

simonvic created this task.Thu, Feb 27, 6:57 PM

I always thought this was the case but I’m glad to see a detailed post made for it

[1.27] Firearms desync when shooting while aiming down sightNew, NormalPublicActions

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Event Timeline

[1.27] Firearms desync when shooting while aiming down sight
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