Fix Mozilla Firefox Mac Canvas display wired

If you got something like this happened on Firefox Mac, you should disable some setting

Go about:config

Search for privacy.resistFingerprinting

  1. privacy.resistFingerprinting.randomDataOnCanvasExtract to false
  2. privacy.resistFingerprinting.autoDeclineNoUserInputCanvasPrompts to false

References

  1. https://support.mozilla.org/en-US/questions/1296571

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