Memory leak with f.lux 4.100 and Windows 10 version 1903
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@herf I've got the new version now and I'll let you know if I see anything unusual. Thanks!
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I can also confirm this behavior on Windows version 190318-1202, F.lux has been using as much as 1.7 Gb of memory in the background, which I've seen using Resource Monitor. It is a constant problem when running the app. For the time being, I'm going to try and downgrade back to v3 to avoid the conflict on my machine, it's very annoying and renders the app too much of a cost for me.
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We've mostly worked around this on all the "current" versions:
- Windows build 18362 and later
- f.lux version 4.103
If you have (windows build) 18362 you will get an update to 4.103 automatically. Some people are on 18361 or older, and they are still having problems, but Windows should upgrade you in that case?
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I'll check on the windows store, perhaps i'm missing an update on there
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It is not live there yet, but is submitted.
Generally if you are running Insider windows, we recommend beta f.lux from our website. That's where we test things out.
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v4.103 is live on the website and in the Windows Store.
We want 18362 to be as stable as possible, even though it's not officially released yet. -
@herf I'm now on 4.103 but I haven't seen issues since the automatic restart process was implemented in the previous version. Is the leak fixed in 4.103 or is it still doing the periodic restarts?
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Restarter is still there but the leak is now slowed down - there were two API calls leaking and we were able to reduce the use of one of them.
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Has the specific memory leak been reported to Microsoft? I created a feedback hub entry a while ago, in case someone may want to upvote it, go ahead: gdi32 Get/SetDeviceGammaRamp leaks Memory since Win10 1903 update (link opens Win10 feedback hub) https://aka.ms/AA65mre
Possibly related (although I'm not sure if f.lux is affected): WcsGetUsePerUserProfiles and WcsSetUsePerUserProfiles leak registry key handles internally since 1903 update (link opens Win10 feedback hub) https://aka.ms/AA5wk9z
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@fhoech yes we reported both of them. I do need to check on the profile leak also - we went from checking for profile changes frequently to once per day (so really, if you change your profile you need to restart f.lux).
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