After a few months of development, the Pale Moon browser has released its latest iteration. Along with security features, the key release for this version seems to be centered around expanding the browser's media support.
Release notes here. [palemoon.org]
Offtopic, but somehow relevant: they also published the results of their survey in March [palemoon.org]. The feedback says a lot about the browser's user base, and highlights the direction the team will take in the future.