An external sandbox does not make an obsolete browser less obsolete, only sandboxed.
Now, please everyone, keep other browsers out of this topic. Those may be discussed elsewhere, not here. :P0l
The EV-badge in the URL-bar will be removed in Firefox 70.
Intent to Ship: Move Extended Validation Information out of the URL bar
Gone forEVer! (Scott Helme)
Extended Validation Certificates are (Really, Really) Dead (Troy Hunt)
Firefox 68.0.2: Download Firefox in English (US) and more than 90 other languages
Firefox ESR 68.0.2: Download Firefox in English (US) and more than 90 other languages
The Baseline Interpreter: a faster JS interpreter in Firefox 70 (Mozilla Hacks)
Firefox 69.0: Download Firefox in English (US) and more than 90 other languages
[]Today’s Firefox Blocks Third-Party Tracking Cookies and Cryptomining by Default
[]Firefox 69 — a tale of Resize Observer, microtasks, CSS, and DevTools
Also posted today:
Future Releases: What’s next in making Encrypted DNS-over-HTTPS the Default
Mozilla Security Blog: Hardening Firefox against Injection Attacks
Mozilla Security Blog: Improved Security and Privacy Indicators in Firefox 70
Earlier versions are better as there are more features. Users hardly pay attention to increasingly reduced characteristics, I think fans can drift away.
note: in version 3 characteristics is more
EDIT: see image exemple
Firefox 70.0: Firefox 70.0, See All New Features, Updates and Fixes
[]Latest Firefox Brings Privacy Protections Front and Center Letting You Track the Trackers
[]The Illusion of choice and the need for default privacy protection
[]Firefox 70 — a bountiful release for all
[]Improved Security and Privacy Indicators in Firefox 70
[]No Judgment Digital Definitions: What is a web tracker?
[]No-judgment digital definitions: What are social media trackers?
[]New password security features come to Firefox with Lockwise
[]Firefox privacy protections reveal who’s trying to track you
Firefox 70.0.1: Firefox 70.0.1, See All New Features, Updates and Fixes
Mozilla Add-ons Blog: Firefox to discontinue sideloaded extensions
Future Releases: Restricting Notification Permission Prompts in Firefox