Mozilla

2010
Not every mobile device has a physical keyboard, but many do. Firefox Mobile supports a handful of keyboard shortcuts that might make your life a little easier:
Mozilla is currently, building and releasing XULRunner simultaneously with Firefox releases. Releases can be found here.
Apple introduced the viewport meta tag in mobile Safari to help web developers improve the presentation of there web pages on the iPhone. We added support for the viewport tag in mobile Firefox for the same reasons.
Prism’s long march to final release got a little closer recently with the release of Prism 1.0 Beta 3 (Linux too). Prism is now using the same Gecko 1.9.2 as used in the newest Firefox 3.6 release. A big thanks to Matt Gertner for keeping Prism development moving along. Firefox for Mobile has been keeping me very busy.
There has been a lot of discussion about the future of the Mozilla add-on infrastructure. I think it’s clear now that Mozilla is not removing the classic add-on mechanism. In fact, Fabrice Desré found a nice bit of news on an upcoming feature (via comments on Atul’s post):
2009
Thanks to Fabrice Desré and Wladimir Palant, development builds of AdBlock Plus support Fennec! The port embraces Fennec’s minimalistic design asthetic - exposing only a simple options UI. However, this is more than enough to make a great impact on browsing in Fennec.
The Nokia N900 has about 100MB of free space in the root file system partition. It doesn’t take installing many applications before it fills up. Nokia recommends installing applications to the /opt folder, which has about 1GB of space.