Mozilla dropping 10.4 support with next Firefox release

The next major release of Firefox will not be compatible with Macs running Mac OS X 10.4, also known as Tiger. This comes from a mozilla.dev.planing discussion on Google Groups started by Josh Aas, a Mozilla-employed developer working on the project. The change will go into effect later this year when the browser’s Gecko rendering engine makes the jump from 1.9.2 to 1.9.3.