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Getting Firefox artifact builds working on an arm64/aarch64 windows device

If, like me, you re debugging a frontend issue and you think I can just create some artifact builds on this device you might run in to a few issues. In the main, they re caused by various bits of the Continue reading

Firefox removes core product support for RSS/Atom feeds

TL;DR: from Firefox 64 onwards, RSS/Atom feed support will be handled via add-ons, rather than in-product. What is happening? After considering the maintenance, performance and security costs of the feed preview and subscription features in Firefox, we’ve concluded that it Continue reading

Why was Tab Groups (Panorama) removed?

Firefox 44 has been released, and it has started warning users of Tab Groups about its removal in Firefox 45. There were a number of reasons that led to the removal of Tab Groups. This post will aim to talk Continue reading

Did it land?

I wrote a thing to check if your patch landed/stuck. It s on github because that s what people seem to do these days. That means you can use it here: Did it land? The point of this mini-project is to be Continue reading

Why you might be asked to file a new bug/issue (instead of commenting on old ones)

Sometimes, after we close a bug because we fix it, or because it is a duplicate of another bug, or because the symptoms have gone away invalid and wontfix bugs are a little different people come along that Continue reading

YEINU – Your Experience Is Not Universal – continued!

Working on Firefox front-end code, I am often reminded of Nicholas excellent post on people s experiences and how those experiences shape their opinions. The most recent example concerns the beforeunload event and the resulting dialog. On the one hand there Continue reading

Run mochitests against an arbitrary build, or against the distribution directory

I ve had problems before where it would have been useful to easily run mochitests against other versions of the browser than those in my $OBJDIR. I m pleased to say I just landed a small patch for the mochitests runner s mach Continue reading

Why doing visual refreshes of Firefox is hard

We re getting closer and closer to releasing Australis with Firefox 29, and that gives me more time to write something that s been on my mind the last couple of weeks/months. Extra impetus was provided by sentiment along the lines of Continue reading

Debugging chrome JS and mochitests – redux

About a month ago I posted about debugging chrome JS and mochitests. Since then, we ve done a fair bit to improve the situation, and so I figured an update was in order (I ve posted some of this to fx-dev and Continue reading

Summit experiences

Somewhat surprisingly given that I ve been around for a while , this year s was the first summit I went to. I d been to several FOSDEMs, a EuroOSCON/EuroFoo, and several other conferences as a Mozillian, but somehow the invitations for Summits/MozCamps/Add-on events Continue reading