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| 6 | + <title>Firefox fixes and upcoming performance improvements – Dark Reader blog</title> |
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| 13 | + <meta property="og:title" content="Firefox fixes and upcoming performance improvements – Dark Reader blog" /> |
| 14 | + <meta property="og:image" content="https://darkreader.org/images/firefox-review.jpg" /> |
| 15 | + <meta property="og:description" content="Please learn more about upcoming performance improvements for all browser versions and bug fixes for recent Firefox issues." /> |
| 16 | +</head> |
| 17 | + |
| 18 | +<body class="page-grid-body"> |
| 19 | + <header class="page-grid-header"> |
| 20 | + <a class="header-logo" href="../"></a> |
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| 22 | + <main class="page-grid-content"> |
| 23 | + <article> |
| 24 | + <h6>December 13, 2024</h6> |
| 25 | + |
| 26 | + <h1 id="firefox-fixes-and-upcoming-performance-improvements">Firefox Fixes and Upcoming Performance Improvements</h1> |
| 27 | +<p>Please learn more about upcoming performance improvements |
| 28 | +for all browser versions |
| 29 | +and bug fixes for recent Firefox issues.</p> |
| 30 | +<figure> |
| 31 | + <img src="/images/firefox-review.jpg" alt="Firefox user review" style="max-width: 24rem;" /> |
| 32 | +</figure> |
| 33 | + |
| 34 | +<h3 id="relationships">Relationships</h3> |
| 35 | +<p>On December 5, Reddit.com updated their website and started using modern web technologies, |
| 36 | +like Shadow DOM and Adopted Style Sheets, extensively. |
| 37 | +Unfortunately <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1751346">Firefox has a 3-year-old bug</a> |
| 38 | +that disallows extensions from having direct access to these style sheets. |
| 39 | +Our existing workaround for the problem started causing performance issues, |
| 40 | +so we began the investigation and work on a bug fix immediately.</p> |
| 41 | +<figure> |
| 42 | + <img src="/images/firefox-slow-reddit.png" alt="Warning on Reddit website in Firefox" style="max-width: 24rem;"> |
| 43 | +</figure> |
| 44 | + |
| 45 | +<p>While we allow users to disable the extension for specific websites, and Reddit has a built-in dark theme, |
| 46 | +many users who have been enjoying using Dark Reader for years greeted us with 1-star reviews. |
| 47 | +It took Mozilla <strong>3 days</strong> to perform an <strong>expedited review</strong> of the update and allow it to be published.</p> |
| 48 | +<p>Despite all the work we've put in over the years to improve the performance of the extension and make it work seamlessly, |
| 49 | +only 1 in 2000 users of the Firefox add-on supports us financially. |
| 50 | +The work we are doing <strong>is stressful and not economically viable</strong>. |
| 51 | +If you appreciate our efforts and wish to receive future updates and improvements for the extension, |
| 52 | +<strong>please make a one-time payment</strong>, |
| 53 | +as you would for any other valuable app or product.</p> |
| 54 | +<p><darkreader-pay-tiers blog style="width: 24rem;"></darkreader-pay-tiers></p> |
| 55 | +<script type="module" src="/elements/pay-tiers.js"></script> |
| 56 | + |
| 57 | +<h3 id="performance-upgrade">Performance upgrade</h3> |
| 58 | +<p>Along with resolving the Reddit issue and optimizing Shadow DOM and Adopted Style Sheets handling, |
| 59 | +Dark Reader 4.9.97, released on December 13, includes numerous performance improvements. |
| 60 | +The most notable one is postponing the analysis of background images |
| 61 | +that are defined in style sheets but not yet present on a web page. |
| 62 | +This approach significantly reduces memory consumption (up to 10GB for certain websites) and lowers CPU usage.</p> |
| 63 | +<h3 id="firefox-browser-theme-bug">Firefox browser theme bug</h3> |
| 64 | +<p>Releasing software updates on Friday 13 is considered bad luck, but Mozilla decided on the timing for us. |
| 65 | +We started receiving the first complaints in the evening.</p> |
| 66 | +<figure> |
| 67 | + <img src="/images/firefox-theme-bug.png" alt="Firefox browser theme bug" style="max-width: 24rem;"> |
| 68 | +</figure> |
| 69 | + |
| 70 | +<p>The ability to change tabs and address bar colors was introduced back in 2018. |
| 71 | +Unfortunately, this theme customization was broken with the latest update, 4.9.97. |
| 72 | +We made a bug fix already, but no one at the Mozilla Add-ons team responded to our request for a quicker review so far.</p> |
| 73 | +<p>Leaving us a 1-star review won't help resolve the problem, but disabling the feature will. |
| 74 | +Simply go to <strong>More</strong> > <strong>Settings</strong> and choose <strong>Default</strong> browser theme. |
| 75 | +Alternatively you can go to <strong>All settings</strong> > <strong>General</strong> and disable <strong>Change browser theme</strong> option.</p> |
| 76 | +<p>If the browser theme has become white, go to Firefox <strong>Settings</strong> > <strong>General</strong> > <strong>Appearance</strong> |
| 77 | +and select <strong>Dark</strong>.</p> |
| 78 | +<h3 id="how-to-check-dark-reader-version-and-speed-up-the-update">How to check Dark Reader version and speed up the update</h3> |
| 79 | +<ul> |
| 80 | +<li>Go to <code>about:addons</code> page (Firefox extensions menu).</li> |
| 81 | +<li>Open <strong>Extensions</strong> tab.</li> |
| 82 | +<li>Click <strong>Dark Reader</strong>. You will see the current version number there.</li> |
| 83 | +<li>Click the tools icon (a cog wheel) in the top-right corner.</li> |
| 84 | +<li>Click <strong>Check for Updates</strong>.</li> |
| 85 | +</ul> |
| 86 | +<figure> |
| 87 | + <img src="/images/firefox-check-update.png" alt="Check for extension updates in Firefox" style="max-width: 24rem;"> |
| 88 | +</figure> |
| 89 | + |
| 90 | +<h3 id="future-updates">Future updates</h3> |
| 91 | +<p>We’re excited for you to experience <strong>the fastest and most robust version</strong> of Dark Reader ever! |
| 92 | +However, we ask for your understanding, as the situation described is quite stressful. |
| 93 | +The future direction of Dark Reader for Firefox will <strong>depend on your generous support</strong> |
| 94 | +and any updates to Mozilla's review practices.</p> |
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| 105 | + </p> |
| 106 | + </article> |
| 107 | + </main> |
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| 111 | + <span class="read-next__top">Read next</span> |
| 112 | + <span class="read-next__icon" style="background-image: url('https://cdn.darkreader.app/images/search-blog-icon.png')"></span> |
| 113 | + <a href="/blog/g-search-crash/" class="read-next__title">How to fix the recent Google Search issue</a> |
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