1735011 - poor rendering of some fonts on win7

Status: UNCONFIRMED

(Core :: Graphics: Text, defect)

Description

[bughit]

Attachment: screenshot

win7 x64 sp1, fx 93.0 x64

screenshot from https://www.telerik.com/fiddler/fiddler-classic

note the inconsistent thickness of the horizontal parts of uppercase letters and bumps on top of lowercase ones.

Happens with hardware (nvidia) and software (vmware) rendering. Win10 is ok.

nvidia:

Compositing: WebRender
Direct2D: true
DirectWrite: true (6.2.9200.23429)
AzureCanvasBackend: direct2d 1.1
AzureCanvasBackend (UI Process): skia
AzureContentBackend: skia
AzureContentBackend (UI Process): skia
AzureFallbackCanvasBackend (UI Process): skia

vmware:

Compositing: WebRender (Software)
Direct2D: Blocked for your graphics card because of unresolved driver issues.
DirectWrite: true (6.2.9200.23429)
AzureCanvasBackend: skia
AzureCanvasBackend (UI Process): skia
AzureContentBackend: skia
AzureContentBackend (UI Process): skia
AzureFallbackCanvasBackend (UI Process): skia

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

The severity field is not set for this bug.
:lsalzman, could you have a look please?

For more information, please visit auto_nag documentation.

Comment 2

[Lee Salzman [:lsalzman]]

Can you check with mozregression (https://mozilla.github.io/mozregression/) to see which commit might have regressed this?

Comment 3

[bughit]

I can't. If you're interested in fixing this, as you should be, reproduce it and then you can bisect yourself.

Comment 4

[bughit]

Attachment: image.png

Atkinson Hyperlegible
https://brailleinstitute.org/freefont

It's pathetic for a browser this mature to render text like this.