User1785604260

Just to confirm, are you seeing the performance restored to normal when you toggle realtime protection off/on as well? Edit: and would you also be willing to measure the time...

Perfect, thank you so much!

Thanks for passing it along! Should I close this issue out now since the resolution is external and the team is aware? (I think that may happen automatically anyway?)

Credit to another reddit user, they suggested disabling AMSI here: https://www.reddit.com/r/PowerShell/comments/12aqr8d/comment/jeuqmcp/ AMSI is not a thing I was aware of, and in my follow up comment I found that executing...

Credit to [yet another reddit user](https://www.reddit.com/r/PowerShell/comments/12aqr8d/comment/jev7ruy/), presumably this is related: https://github.com/PowerShell/PowerShell/pull/16496

@SteveL-MSFT, given that an AMSI method-invocation scanning feature was specifically enabled in PowerShell 7.3, can you confirm whether the method call overhead I'm now seeing can be considered "normal" or...

This seems to be running "less worse" today, on signature version 1.389.2351.0. My repro code in the original issue is now about 10x slower, as opposed to 200x-ish slower with...

@PaulHigin, we're nearing the end of the month and the performance issue still remains, although it has been lessened somewhat. Do you happen to know if the current, lessened performance...

I have the new version, but I'm still seeing the perf impact. ``` PS C:\> Get-MpComputerStatus | select am* AMEngineVersion : 1.1.23050.3 AMProductVersion : 4.18.23050.3 AMRunningMode : Normal AMServiceEnabled :...

I'm hoping we can get some official guidance on whether the remaining impact is considered acceptable and is the new normal for PowerShell 7.3+ going forward.