Pale Moon 27.4 is out

Martin Brinkmann
Jul 14, 2017
Updated • Aug 22, 2017
Internet, Pale Moon

Pale Moon 27.4 has been released by the team responsible for the web browser, and is now available for direct download and automatic update.

The new version of the browser introduces new features and changes to it; existing users may notice that most of the media streaming issues that some experienced should be fixed in this release  for instance.

Since Pale Moon 27.4 fixes several security issues as well, it is highly recommended to update the browser to the latest version as soon as possible to address those.

Interested users can download the latest version of Pale Moon 27.4 from the official project website; existing users may select Pale Moon > Help > About Pale Moon to run a check for updates from within the browser.

Tip: Check out our review of Pale Moon 27 as well.

Pale Moon 27.4

pale moon 27.4

The team continued its work on the Media Source Extensions code, re-worked it, so that it is now spec compliant and asynchronous for MSE with MP4. The change should improve playback on the majority of video sites out there including YouTube, Twitch and Vimeo.

New preferences were added to the options of Pale Moon that give users control over Media Source Extensions in the browser.

pale moon media source extensions

Go to Pale Moon > Options > Content, and look for the Video group of preferences on the page that opens.

You may disable Media Source Extensions completely, or disable MSE for MP4, or asynchronous support there.

Pale Moon 27.4 supports a new preference, media.block-play-until-visible, that users may enable to block video autoplay if the video that plays on a page is not in the visible view area.

This needs to be configured on about:config, and is set to false. False means that videos will not be blocked from being played automatically if they are embedded in a non visible part of the web page.

pale moon security protocols

Another option that has been added to the options is control over the security features Strict Transport Security (HSTS) and Certificate Key Pinning (HPKP).

Pale Moon users find options to disable these security protocols under Options > Security.

The remaining changes resolve issues in the browser, add or improve support for new Web features, or improve Pale moon in other ways. The importing of bookmarks for instance picks up tags now from HTML bookmarks files if they exist, about:support features more information, and the Pale Moon Developer Tools support a new filter URLs option in the network panel.

Some libraries have been updated to improve security and performance on top of that.

Pale Moon 27.4 Security changes

Pale Moon 27.4 fixes reported security vulnerabilities in the browser. It also improves the defense of the browser against threats further -- an ongoing project that the team calls DiD, Defense-in-Depth.

DiD This means that the fix is "Defense-in-Depth": It is a fix that does not apply to a (potentially) actively exploitable vulnerability in Pale Moon, but prevents future vulnerabilities caused by the same code when surrounding code changes, exposing the problem.

Pale Moon 27.4.1

Pale Moon 27.4.1 was released on August 3, 2017 to the stable release channel. The update fixes media and web compatibility issues.

It fixes a media playback issue that caused high CPU usage and/or choppy playback for HD videos on sites like YouTube as hardware acceleration was not used properly.

Pale Moon 27.4.2

Pale Moon 27.4.2 was released on August 22, 2017. It is a smaller update that fixes several security issues in the client and addresses stability issues.

The new version fixes a number of crashes and a browser hangup. The security fixes either update components that Pale Moon uses, fix existing vulnerabilities, or improve the browser's defense against threats.

Closing Words

Pale Moon 27.4 is an important update that users of the web browser should install asap. It fixes several known security vulnerabilities, adds more controls to the browser, and improves support when it comes to streaming video on the Internet.

Now You: Have you tried Pale Moon recently? What's your take on the browser?

Pale Moon 27.4 is out
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Pale Moon 27.4 is out
Pale Moon 27.4 has been released by the team responsible for the web browser, and is now available for direct download and automatic update.
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  1. ilev said on August 4, 2012 at 7:53 pm

    Doesn’t Windows 8 know that www. or http:// are passe ?

    1. Martin Brinkmann said on August 4, 2012 at 7:57 pm

      Well it is a bit difficulty to distinguish between domains and files for instance.

    2. Leonidas Burton said on September 4, 2023 at 4:51 am

      I know a service made by google that is similar to Google bookmarks.

  2. VioletMoon said on August 16, 2023 at 5:26 pm

    @Ashwin–Thankful you delighted my comment; who knows how many “gamers” would have disagreed!

  3. Karl said on August 17, 2023 at 10:36 pm


    The comments section under this very article (3 comments) is identical to the comments section found under the following article:

    Not sure what the issue is, but have seen this issue under some other articles recently but did not report it back then.

  4. Anonymous said on August 25, 2023 at 11:44 am

    Omg a badge!!!
    Some tangible reward lmao.

    It sucks that redditors are going to love the fuck out of it too.

  5. Scroogled said on August 25, 2023 at 10:57 pm

    With the cloud, there is no such thing as unlimited storage or privacy. Stop relying on these tech scums. Purchase your own hardware and develop your own solutions.

    1. lollmaoeven said on August 27, 2023 at 6:24 am

      This is a certified reddit cringe moment. Hilarious how the article’s author tries to dress it up like it’s anything more than a png for doing the reddit corporation’s moderation work for free (or for bribes from companies and political groups)

  6. El Duderino said on August 25, 2023 at 11:14 pm

    Almost al unlmited services have a real limit.

    And this comment is written on the dropbox article from August 25, 2023.

  7. John G. said on August 26, 2023 at 1:29 am

    First comment > @ilev said on August 4, 2012 at 7:53 pm

    For the God’s sake, fix the comments soon please! :[

  8. Kalmly said on August 26, 2023 at 4:42 pm

    Yes. Please. Fix the comments.

  9. Kim Schmidt said on September 3, 2023 at 3:42 pm

    With Google Chrome, it’s only been 1,500 for some time now.

    Anyone who wants to force me in such a way into buying something that I can get elsewhere for free will certainly never see a single dime from my side. I don’t even know how stupid their marketing department is to impose these limits on users instead of offering a valuable product to the paying faction. But they don’t. Even if you pay, you get something that is also available for free elsewhere.

    The algorithm has also become less and less savvy in terms of e.g. English/German translations. It used to be that the bot could sort of sense what you were trying to say and put it into different colloquialisms, which was even fun because it was like, “I know what you’re trying to say here, how about…” Now it’s in parts too stupid to translate the simplest sentences correctly, and the suggestions it makes are at times as moronic as those made by Google Translations.

    If this is a deep-learning AI that learns from users’ translations and the phrases they choose most often – which, by the way, is a valuable, moneys worthwhile contribution of every free user to this project: They invest their time and texts, thereby providing the necessary data for the AI to do the thing as nicely as they brag about it in the first place – alas, the more unprofessional users discovered the translator, the worse the language of this deep-learning bot has become, the greater the aggregate of linguistically illiterate users has become, and the worse the language of this deep-learning bot has become, as it now learns the drivel of every Tom, Dick and Harry out there, which is why I now get their Mickey Mouse language as suggestions: the inane language of people who can barely spell the alphabet, it seems.

    And as a thank you for our time and effort in helping them and their AI learn, they’ve lowered the limit from what was once 5,000 to now 1,500…? A big “fuck off” from here for that! Not a brass farthing from me for this attitude and behaviour, not in a hundred years.

  10. Anonymous said on September 28, 2023 at 8:19 am

    When will you put an end to the mess in the comments?

  11. RIP said on September 28, 2023 at 9:36 am

    Ghacks comments have been broken for too long. What article did you see this comment on? Reply below. If we get to 20 different articles we should all stop using the site in protest.

    I posted this on [] so please reply if you see it on a different article.

    1. RIP said on September 28, 2023 at 11:01 am

      Comment redirected me to [] which seems to be the ‘real’ article it is attached to

  12. RIP said on September 28, 2023 at 10:48 am

    Comment redirected me to [] which seems to be the ‘real’ article it is attached to

  13. Mystique said on September 28, 2023 at 12:13 pm

    Article Title: Reddit enforces user activity tracking on site to push advertising revenue
    Article URL:

    No surprises here. This is just the beginning really. I cannot see a valid reason as to why anyone would continue to use the platform anymore when there are enough alternatives fill that void.

  14. justputthispostanywhere said on September 29, 2023 at 3:59 am

    I’m not sure if there is a point in commenting given that comments seem to appear under random posts now, but I’ll try… this comment is for

    My temporary “solution”, if you can call it that, is to use a VPN (Mullvad in my case) to sign up for and access Reddit via a European connection. I’m doing that with pretty much everything now, at least until the rest of the world catches up with GDPR. I don’t think GDPR is a magical privacy solution but it’s at least a first step.

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