Serious Brush Jitter with Tablet Input - Photoshop

Forum|Forum|6 years ago
November 25, 2019
2 replies
2718 views

With the most recent updates of Photoshop CC I've started experiencing a notible increase in unwanted brush jitter/wobble, particularly when I'm zoomed a bit further out of my canvas. This jitter seems to be worsened the further I zoom out. If, for instance, I zoom out to a point where my canvas is the size of a matchbox on screen, and I draw, the stroke becomes a jagged mess - just to show the issue at its worst. This only seems to happen when using my tablet, not my mouse, and is also present (albiet not as bad) when using the lasso selection tool. I've not experienced this at all when using Clip Studio Paint. Anyone have any ideas what could be causing this? Getting desperate for a fix!

It wasn't an issue before, but since the last one or two updates the jitter seems to have gotten really really bad, almost as if the cursor is snapping to an invisible grid - see attached image.

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Sahil.Chawla

Adobe Employee

Hi there,

Welcome to the Adobe Community!

Could you please try enabling "Legacy compositing" located in Photoshop's Preferences > Performance, then relaunch Photoshop and let us know if it helps?

Also, what exact version of Photoshop are you working on? You can check that by going to Help > System Info

Do you experience the same behavior when using a mouse?

Regards,
Sahil

ChristiduToitAuthor

Participant

@kstohlmeyer1 @sahil.chawla

Thank you for the speedy responses.
Apologies, I should have included my specs earlier.

I'm running macOS Mojave (Version 10.14.6) on my 21.5' iMac (late 2015 model).
Adobe Photoshop Version 21.0.0.
And the tablet model is Yiynova MVP22U, with the latest driver installed (a lesser known brand, I know, but I've been using it for 4 years and never had any jitter issues, even with industry professional illustration work).

I've tried disconnecting my Apple Magic Mouse and wireless keyboard while using the tablet, but it doesn't affect the issue.
Similarly, I've enabled Legacy Compositing, and relaunched, but that also, unfortunately, didn't change anything.

Admittedly I've had similar issues in Affinity Photo with their freehand selection/lasso tool, but that is a known issue. I've never experienced this with Photoshop in the 10+ years that I've been using it, and the fact that Clip Studio Paint (and Sketchbook Pro for that matter) don't show this issue makes me think that it could likely be the software causing this, not my hardware.

The attached image (below) shows the results with Legacy Compositing on, and my wireless mouse and keyboard fully disconnected.
To be fair, I was zoomed out to about 5% of the A4 canvas (I realise that may sound ridiculous), but it's always been smooth no matter how zoomed in I was until now.

Kevin Stohlmeyer

Community Expert

Try uninstalling and reinstalling the driver software on your Mac. Reading up on the Yiyonova site, it looks like they haven't updated their support documentation since 2009, but it states to reinstall after each OS or Software upgrade.

There was an update to the drivers on 10/16 of this year.

Kevin Stohlmeyer

Community Expert

What tablet are you using? Version of Photoshop? Windows/Mac OS?

Some quick suggestions:

Update your tablet drivers.

Check Windows Ink settings (if on Win)

Kevin Stohlmeyer

Community Expert

Also if you are using wireless mouse/tablet. Try diabling/disconnecting the mouse when you use your tablet.

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