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Font rendering broken for some fonts - 78.12.0esr/MacOS 110.11

Noticed a weird problem - some sites don't render their fonts, just empty space in place of text. Tried to debug it: 1. Safe mode and disabling hardware acceleration does… (閱讀更多)

Noticed a weird problem - some sites don't render their fonts, just empty space in place of text.

Tried to debug it: 1. Safe mode and disabling hardware acceleration doesn't fix it 2. Sandbox values don't change anything 3. Tried other Mac with the same Firefox version and macOS version - same issue 4. Experimented with CSS in dev tools - issue is related to the specific font (InterVariable in this case, also saw it with OpenSans before).

As you can see on screenshots - we have InterVariable font for this specific block. If I change CSS and remove this font, replacing it with some other one like Roboto - font starts rendering fine. Interestingly enough - font preview in the dev tools works completely fine - font renders, it just is not rendering in the page itself.

As it is a Variable font and me having older MacOS 10.11 - I was suspecting that it is a bug with Variable font support, but why does it render in dev tools and why doesn't it fall back to the other supported font, if this one is not rendered?

Disallowing pages 'to use their fonts' obviously fixes it - as it activates fallback to fixed fonts, but it is not a proper fix, as it obviously messes up designs for sites and their custom fonts.

This side renders completely fine in Chrome, so it must be a Firefox issue. Upgrading macOS is not an option, so I would be fine with a fixed ESR version that works correctly.

Attaching screenshots showing debug info.

nkth 於 3 天前 詢問

cor-el 最近回覆 於 11 小時前

Fonts on certain sites are odd

Certain websites font's have gone weird in Firefox, it's not reproducable on other computers just my own. I have looked through this community and run through: Set gfx… (閱讀更多)

Certain websites font's have gone weird in Firefox, it's not reproducable on other computers just my own.

I have looked through this community and run through:

   Set gfx.canvas.azure.backends & gfx.content.azure.backends to direct2d1.1,skia,cairo
   Set gfx.font_rendering.cleartype_params.rendering_mode to 0
   Set gfx.downloadable_fonts.otl_validation to true
   Disabled hardware acceleration

Firefox Version is: 90.0.2 64-bit Windows 10 21H1 All drivers are up to date

Attached are screenshots from Chrome (what the website is meant to look like) & Firefox - I prefer Firefox over Chrome so I would rather not move.

kris0089 於 5 天前 詢問

cor-el 最近回覆 於 3 天前

Title bar near Mozilla Firefox has strange symbol

My title bar has a weird symbol in front of where it says Mozilla Firefox Sort of looks like a yen symbol and the m of the Mozilla Firefox looks weird as well Posting on … (閱讀更多)

My title bar has a weird symbol in front of where it says Mozilla Firefox

Sort of looks like a yen symbol and the m of the Mozilla Firefox looks weird as well

Posting on mobile devices other wise would attach photo

Kobra 於 6 天前 詢問

FredMcD 最近回覆 於 6 天前

the names of sites have black dots

as shown in the image attached , the name of the sites is displayed in a strange ways and even when i search in the the search bar in main page words don't show up proper… (閱讀更多)

as shown in the image attached , the name of the sites is displayed in a strange ways and even when i search in the the search bar in main page words don't show up properly

any fix please i checked my other browsers they are all displaying fine

z2max06 於 3 週前 詢問

jscher2000 最近回覆 於 1 週前

firefox browser 89.0 64-bit font

the new 89.0 firefox browser has changed the font to be thinner & lighter. although it is elegant & attractive, it is much harder to read. how do i make the font … (閱讀更多)

the new 89.0 firefox browser has changed the font to be thinner & lighter. although it is elegant & attractive, it is much harder to read. how do i make the font thicker & darker?

Linda on Firefox 於 2 個月前 詢問

Linda on Firefox 最近回覆 於 2 週前

  • 已解決

Numbers displaying sideways

So recently, when I open web pages, any numbers will display sideways. I reinstalled firefox, but this did not resolve. They appear correctly in other browsers (i.e., c… (閱讀更多)

So recently, when I open web pages, any numbers will display sideways. I reinstalled firefox, but this did not resolve. They appear correctly in other browsers (i.e., chrome). Does anyone know what I can do to resolve this? Thanks!

rdaufan 於 2 週前 詢問

rdaufan 於 2 週前 解答

Displays Strange Characters on some websites

On SOME websites firefox displays characters strangely while other browsers work fine. Screenshot attached. Sites are allowed to choose a font. Refreshing and deleting c… (閱讀更多)

On SOME websites firefox displays characters strangely while other browsers work fine. Screenshot attached. Sites are allowed to choose a font. Refreshing and deleting cache don't help. Any ideas?

borismaximov 於 3 週前 詢問

cor-el 最近回覆 於 3 週前

  • 已解決

Symbols not displayed correctly

When I open a website using special symbols, the symbols are replaced by a sign with 6 hex symbols in it. It even happens when the symbol is used in the page title (see i… (閱讀更多)

When I open a website using special symbols, the symbols are replaced by a sign with 6 hex symbols in it.

It even happens when the symbol is used in the page title (see image). Site used: https://emojipedia.org/yawning-face/).

Interestingly, other emojis from the same site are displayed correctly (means the '01F971'-type symbol is replaced by the emoji, in all occurrences on the site and title)

I have seen multiple threads about this, even on this site. However, I could not solve it with the suggested solutions. What I have tried so far:

1. Disable addons 2. Make sure fonts are downloaded through settings 3. about:config -> gfx.downloadable_fonts.enabled -> make sure its true (4. no-script is not installed)


Any ideas?

holzweg 於 1 個月前 詢問

holzweg 於 1 個月前 解答

  • 已解決

Firefox is unable to display Ä Ö Ü

Hello there. I have a 'funny' problem since last night. Fierfox in default mode is unable to display Ä Ö Ü on certain websites. It's a fresh installation without any Add… (閱讀更多)

Hello there. I have a 'funny' problem since last night. Fierfox in default mode is unable to display Ä Ö Ü on certain websites. It's a fresh installation without any Add-Ons. When entering troubleshooting mode it can display it. So the thing is: something is altering the displaymode of websites betwine modes.

where do I find the variables that do this in the config - or worse in the registry?

Yijare 於 1 個月前 詢問

Yijare 於 1 個月前 解答

Issue with this symbol "⠀"

Hello, dear Mozilla Team, I have an issue with this symbol "⠀". It was invisible and usable before an update, but now I can see it and it is very sad and inconvinient. Ho… (閱讀更多)

Hello, dear Mozilla Team,

I have an issue with this symbol "⠀". It was invisible and usable before an update, but now I can see it and it is very sad and inconvinient. How can I fix this problem?

In the attached pictures you can see examples (1 - safari view (how it should be), 2 - firefox view)

Masha 於 1 個月前 詢問

Masha 最近回覆 於 1 個月前

Firefox (and other Browsers) will always crash on specific websites and pages, such as Youtube History.

Just started Crashing one day after startup. Ive tried a full fresh install of Firefox and still keeps happening. Ive updated my graphics driver for my graphics card and … (閱讀更多)

Just started Crashing one day after startup. Ive tried a full fresh install of Firefox and still keeps happening. Ive updated my graphics driver for my graphics card and updated firefox to last updated.

bp-e743b9a2-b08c-410e-bcc8-811970210610 6/10/2021, 3:00 PM View bp-4248c041-8701-4141-a53b-9f3bf0210610 6/10/2021, 3:00 PM View bp-30875c3e-4f56-4434-aa37-a55380210610 6/10/2021, 3:00 PM View bp-6253aac0-3823-4c95-b7fa-79fb80210602 6/2/2021, 2:04 PM View

Dragonhatch1 於 1 個月前 詢問

FredMcD 最近回覆 於 1 個月前

  • 封存

FONT DISPLAY ISSUE PERSISTS

Since the last (?) update, sometime in the spring months this year, Firefox has not been able to display website fonts correctly. Often times part of the fonts turn to qu… (閱讀更多)

Since the last (?) update, sometime in the spring months this year, Firefox has not been able to display website fonts correctly. Often times part of the fonts turn to question marks, and the problem just turned even worse: even sites that I use regulary turned to complete mess – ALL TEXT. What the hell is wrong?

And NO, preference settings have no effect whatsoever.

JR 於 7 個月前 詢問

FredMcD 最近回覆 於 2 個月前

Some websites display Text out of alignment?

For the last few versions of FF (currently on 88.0.1 (64-bit) OSX Big Sur) certain websites display text incorrectly where the text is bold and each character is offset w… (閱讀更多)

For the last few versions of FF (currently on 88.0.1 (64-bit) OSX Big Sur) certain websites display text incorrectly where the text is bold and each character is offset with the next one (see attached Images).

It only seems to happen to certain websites and happens both within my web based email and on standard websites - but only some of them.

I've attached a photo of the issue in my webmail - I'm viewing an email sent to me using mailchimp, but even this is inconsistent as other emails using mailchimp are fine. And as I said before it happens on websites too (examples attached).

I have this issue on my 2020 iMac and my 2020 M1 MacBook Air but not on my 2019 iMac. All 3 are running latest version of FF and all synced to my FF account and have all the same settings. Attached photo of plugins/extensions installed too.

Please help me fix this it's so frustrating!

Thanks

edstudios 於 2 個月前 詢問

edstudios 最近回覆 於 2 個月前

Font rendering issues

Hi, i have font rendering issues on some websites. I found out it has something to do with the Hardware Acceleration. When I turn it off, everyting is ok. However, th… (閱讀更多)

Hi, i have font rendering issues on some websites.

I found out it has something to do with the Hardware Acceleration.

When I turn it off, everyting is ok.

However, then other websites which require more performance are really slow.

How can I fix the big without turning off hardware acceleration?

This website among others causes font issues with hardware acceleration ON:

https://www.lazada.vn/

Tom N 於 3 個月前 詢問

FredMcD 最近回覆 於 3 個月前

  • 已解決

Mozilla-provided font (I think) is just annoying/hard to read

I've read some complaints about the font that FF desktop uses on some websites. I'm seeing a very annoying font with some letters thicker (almost bold) and other letters … (閱讀更多)

I've read some complaints about the font that FF desktop uses on some websites. I'm seeing a very annoying font with some letters thicker (almost bold) and other letters thin. This occurs, for example, on the mozilla.org website and when FF is displaying a PDF.

I have "allow pages to choose their own fonts" checked, and I am not using hardware acceleration.

I went into the developer console and turned off the Mozilla-supplied font for a support webpage, and it then used something like a Times New Roman, but it was uniform in letter thickness.

I have attached screen snips.

If I display the same page using Chrome, the font looks great, so I don't know exactly what the problem is, but it's clearly a FF problem.

Notice in Chrome that the word "garbled" is in bold, and it does not appear in bold in either of the FF font examples.

van.knowles 於 3 個月前 詢問

van.knowles 於 3 個月前 解答

  • 封存

Firefox Japanese Fonts Messed Up

I am using Firefox on Debian 10 (78.6.1esr) and my Japanese fonts got messed up after I installed a new font on the system. I installed the font into my Debian user fold… (閱讀更多)

I am using Firefox on Debian 10 (78.6.1esr) and my Japanese fonts got messed up after I installed a new font on the system. I installed the font into my Debian user folder, and it applied to everything as the default font. The fix was pretty easy, I simply removed it and everything want back to normal, except Firefox. Firefox for some reason is the only thing insistent on continuing to use the font, despite my font settings in Firefox set to use a more standard font. It wouldn't be so bad but the font in question doesn't have all the characters so the display is rather hideous in some cases. I tried to reset Firefox by renaming ~/.mozilla/firefox to ~/.mozilla/firefox.old, but the font remains. I've ran with it for about a month but I cannot take it anymore and have spent a days worth of hours trying to fix it.

I've attached on image showing the display, and another showing my font settings. about:config does not show the offending font.

Thanks!

vgwidt 於 6 個月前 詢問

vgwidt 最近回覆 於 6 個月前

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strange fonts in webpages

I am having these strange symbols instead of the correct fonts in some webpages as well as inside some e-mail text in gmail (when viewing from browser firefox, of course)… (閱讀更多)

I am having these strange symbols instead of the correct fonts in some webpages as well as inside some e-mail text in gmail (when viewing from browser firefox, of course). Please see attached. I deselect the setting "allow webpage to choose their own webfonts...", it solves the problem but it cause to switch to default fonts in web design tools I use (wordpress, elementor). Any suggestion of how to solve this? Thanks

simone.tor 於 6 個月前 詢問

cor-el 最近回覆 於 6 個月前

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Some text is covered with black diamonds and question marks

On FoxNews.com, some articles include a section at the bottom for user comments. First-level comments frequently receive additional second- and third-level comments. Fir… (閱讀更多)

On FoxNews.com, some articles include a section at the bottom for user comments. First-level comments frequently receive additional second- and third-level comments.

First-level comments are working fine, but lower-level comments are partially obliterated with a string of black diamonds with question marks �?U��N�@?�.

This is not an issue when I use Safari, but it is on Firefox.

Prentice3 於 8 個月前 詢問

Prentice3 最近回覆 於 8 個月前