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Fonts rendering problem

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  • 9 au această problemă
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  • Ultimul răspuns de ad_verbum

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After upgrading to Firefox 44.0.2 fonts on some web pages look blurred and are thinner than should be. It is easy to notice problem comparing this page: https://support.mozilla.org/pl/questions/firefox rendered in FF 44.0.2 with FF 44.0 or with Chrome.

After upgrading to Firefox 44.0.2 fonts on some web pages look blurred and are thinner than should be. It is easy to notice problem comparing this page: https://support.mozilla.org/pl/questions/firefox rendered in FF 44.0.2 with FF 44.0 or with Chrome.

Soluție aleasă

"Support for Direct2D 1.0 has been dropped in . Windows 7 users can install the Platform Update to re-enable Direct2D support (to fix font rendering issues)" Source : https://www.mozilla.org/en-US/firefox/44.0/releasenotes/

As the above solution suggested, you can try the platform update to see if it makes any difference or not.

https://www.microsoft.com/en-ca/download/details.aspx?id=36805

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Soluție aleasă

"Support for Direct2D 1.0 has been dropped in . Windows 7 users can install the Platform Update to re-enable Direct2D support (to fix font rendering issues)" Source : https://www.mozilla.org/en-US/firefox/44.0/releasenotes/

As the above solution suggested, you can try the platform update to see if it makes any difference or not.

https://www.microsoft.com/en-ca/download/details.aspx?id=36805

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Could you check on whether your Firefox is using hardware acceleration? You can do that on the support information page. Either:

  • "3-bar" menu button > "?" button > Troubleshooting Information
  • (menu bar) Help > Troubleshooting Information
  • type or paste about:support in the address bar and press Enter

Scroll down to the Graphics header and check the table that follows for:

  • Direct2D Enabled = true
  • GPU Accelerated Windows => numerator of the fraction = denominator

Those should indicate that hardware acceleration is being applied.

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Scroll down to the Graphics header and check the table that follows for:

  • Direct2D Enabled = true
  • GPU Accelerated Windows => numerator of the fraction = denominator


I can't find settings you mentioned but found these: gfx.driver-init.feature-d2d: true gfx.driver-init.feature-d3d11: true

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Hi ad_verbum, I think those are in the "Important Modified Preferences" list. There is a separate "Graphics" table.

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jscher2000 said

Hi ad_verbum, I think those are in the "Important Modified Preferences" list. There is a separate "Graphics" table.

I had to install Microsoft actualization mentioned by Samrat Bhattacharjee in first answer on my question. Earlier I hadn't these parameters listed. Now I have "Direct2D Enabled = true" and problem with badly looking fonts is resolved.