SeaMonkey 2.53.17 is out!

Hi All,

SeaMonkey 2.53.17 has been released!  Please check out [1] and/or [2] for further information on changes.

Also to note, it has been a long time since I’ve even done the release notes.  Just shows how much one forgets after not doing it for so long.  Heck, even my hg account is disabled. ;/

Best regards,


PS: Updates coming up soon.  Instead of having a hiccup with the release, I’m having a hiccup with the updates.  *Thanks Murphy!*

[1] –

[2] –

About ewong

I'm a SeaMonkey dev/RelEnger and a bit of a buildbot dev.
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12 Responses to SeaMonkey 2.53.17 is out!

  1. Ant says:

    Awesome! Waiting for internal updater. I hope it doesn’t break my old extensions like PrefBar!

    • ewong says:

      Updates should be ok now. A stupid mistake on my part.

    • Mike says:

      The update may have broken Mouse Gestures Suite. 🙁

    • Mnyromyr says:

      Prefbar will break, because nsIPrefBranch2 is gone.

      The latest prefbar-7.1.1-fx+sm.xpi seems to repairable easily though, after fixing content/goprefbar/main.js in prefbar.jar Prefbar seems to work:

      – .getService(Components.interfaces.nsIPrefBranch2);
      + .getService(Components.interfaces.nsIPrefService).getBranch(“”);

      BTW: the latest working GreaseMonkey greasemonkey- has similar problems (for s while), but is just as easily fixable.

  2. Skye says:

    In future, will it be possible for you to try to develop it for Android as well?

  3. murph says:

    Seems to have broken Mouse Gestures Suite for me.
    If I reset the add-on to defaults it works briefly but fails after restart.
    Worked fine on .16.
    Same on two linux machines with different o/s. Disappointing, hopefully fixable.

  4. murph says:

    Update for Mouse Gestures Issue.
    Seems to work ok if I configure it for Middle Button use.
    Prefer right button, but at least I have some functionality at this point.

  5. francesfarmer says:

    Updated on Windows 7 without any problem

  6. Ant says:

    No problems. Previous updates had to wait for the internal updates. 😉 Anyways, I got it in macOS Big Sur v11.7.9, 64-bit W10 Pro., and Debian bullseye v11. Boo, it broke my PrefBar ext. 🙁

  7. Kami says:

    Ewong & Staff, thanks for all job!

  8. cavelier says:

    Hi. Thanks a lot for all things you do and did…
    I have trouble with that version with flashgot. Seems not working at all. Ver
    Impossible to tell the download manager.. No icon in the barre d’état.

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