25.
Firefox DevTools experiments with session-history diagrams (t.co)
Visualizing browser session history could make navigation bugs and state transitions easier to inspect than the usual opaque back-forward stack
@FirefoxWebDevs on Backlist
2 appearances on the backlist front page in the last 30 days.
19.
CSS style() queries land across browser engines
Style queries let CSS respond to computed styles, opening a new class of component-local responsive behavior