Lenovo T480 - Yes, Win10 1809 downgrade matters just like others say here

Reinhard62

simplex

Yes, it's pwm free.

Sunspark

19042 works for me on Intel iGPU.

reaganry

this should be pinned

reaganry

per chatgpt..

Version	Notable Triggers
1903	"Light theme" animations, acrylic blur by default
2004	Hardware-accelerated window management and cursor motion
20H2+	UI layering and background task interruptions increased
21H2–22H2	Fluent Design baked into the shell, can't fully disable animations
Win 11	Full compositor-based UI, with non-disableable animations, rounded corners, inconsistent frame pacing, and forced vsync

cooldudz

reaganry anything it gave you on 1809?

Also what did you prompt it with? This is pretty cool that it was able to give you details like this.

reaganry

mainly "what happened after 1809" with some background on symptoms. it calls it "vestibular" problems.

1809 did not fully offload the desktop environment to the GPU.
Starting with 2004 and later, Microsoft pushed hardware acceleration for UI rendering more aggressively—often causing "wobble," tearing, or micro-stutter on even modest movements.

Post-1809, there were updates to DWM (Desktop Window Manager) and Compositor timing, introducing slight changes in how frames are buffered and drawn.

These can cause "invisible flicker" or microsaccadic-type visual noise, which vestibular systems pick up even if you don’t consciously see it.

cooldudz

reaganry interesting that it calls it "vestibular" problems, as my inability to tolerate screens happened after I slept at a weird angle for 3 days in a row and woke up a few days later to the stiffest neck I ever had (thought I had meningitis it was so stiff and painful and my head was killing me). Ever since then (3 years ago), I can't tolerate screens.

So for me I know it's tied to my neck and vestibular system.

reaganry

breaking the thread but it also recommends these linux setups

Distro	Why It's Good
Xubuntu / MX Linux	XFCE with zero animations, totally customizable
Peppermint OS	Hybrid LXDE+XFCE, smooth for older eyes
EndeavourOS with i3wm	No motion at all. Instant, no-flicker feel
Wayland + Sway	No screen tearing or jitter, full frame sync

reaganry

doublebreaking.. macOS Mavericks (2013) This was the point where Apple began GPU-accelerating more of the window manager. Both Apple and Microsoft replaced crisp, discrete movement with interpolated motion layers that look cool but can trigger visual-vestibular mismatch in sensitive people.

JTL

Sunspark Not to get too political, but a certain former Microsoft engineer involved with internal development and QA for Windows made a well known video after getting laid off which he predicted that quality assurance of products would get worse under new management regimes. Even ignoring the possible context to this obscure issue I think it's endemic to the industry at this point.

That video was in 2014.

Sunspark

Oh, that culture is even older.. I remember with BlackBerry, people were complaining about bugs and management basically told them that this is the way things are now.

Absolutely getting even worse now that there are vibe coders using AI slop to "develop".

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