Firefox Esr 78 ~repack~

If you discover Firefox ESR 78 in your environment today, immediate action is required:

: Rolled out the WebRender engine to Windows users with Intel GPUs, utilizing the GPU for smoother page rendering. firefox esr 78

# Backup old profile cp -r ~/.mozilla/firefox/xxxx.esr78 ~/backup/ If you discover Firefox ESR 78 in your

: For the first time in the ESR channel, Service Workers and the Push API were enabled by default, supporting more modern web applications and offline functionality. However, as of 2026, it is

Firefox ESR 78 was a stable, performant browser for its time, effectively bridging the gap between legacy web standards (Flash, TLS 1.0 removal) and modern security. However, as of 2026, it is .

While Firefox Stable was rolling out WebRender (GPU rendering), it was disabled by default in early ESR 78 releases for broader compatibility. Lifecycle: When Did ESR 78 End?

: Introduced a dedicated Kiosk Mode for restricted public terminals and added support for Client Certificates .