MNG support removed from Mozilla

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Support for the MNG file format was removed from Mozilla today. Multiple-image Network Graphics is like a GIF animation but with alpha-transparency so it can blend in with images among other neat features. Look at the image above with the loading animation blending in with the Aqua tab. This looks pretty awful when in GIF format. The thing is that there is no alternative to MNG in Mozilla, so I will have to go back to GIF animations or find some other way of doing an animated icon with alpha-transparency. Any suggestions?

Update: Please vote for Bug 18574 if you’d like to see MNG support restored to Mozilla. But please don’t use the bug for advocacy – that’s what the MozillaZine forums and your blogs are for. Thanks!

6 thoughts on “MNG support removed from Mozilla”

  1. I was also disappointed with this, so I’ve gone and registered my vote. As it is, only 3 bugs have ever had more than 300 votes, including this one. Seems like that should indicate to mozilla that we want the feature. Hopefully it will go back in soon.

  2. Note that Christian Biesinger packaged the removed code as an XPI installer () you can use to restore MNG/JNG funtionality to builds newer than June 4.

  3. Kevin, you should add a note advising people to only vote, and not add comments to, that bug.

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