I've worked with thousands of open tabs for many years now. (I'm not defending my habits to anyone - this is how I prefer to work, and it is not negotiable.)
AFAIK, this many tabs is only possible with Firefox. In the main window (of five) that I'm typing this in, the OpenTabs extension reports that I have 2260 tabs. The other four windows have anywhere from a few dozen to a few hundred tabs. My max was around 5000 tabs, but that was back before Firefox Quantum.
And yeah, I really miss TabMixPlus, and want a better way to scroll through multiple tab rows. (I currently use a hack to Firefox's chrome file, but it's still a little clunky, and that method doesn't properly support things like dragging tabs to reorder them, etc.) The Moz team gutted the tab history APIs when they killed off XUL which is why TMP has never been rewritten - it really can't be...
AFAIK, this many tabs is only possible with Firefox. In the main window (of five) that I'm typing this in, the OpenTabs extension reports that I have 2260 tabs. The other four windows have anywhere from a few dozen to a few hundred tabs. My max was around 5000 tabs, but that was back before Firefox Quantum.
And yeah, I really miss TabMixPlus, and want a better way to scroll through multiple tab rows. (I currently use a hack to Firefox's chrome file, but it's still a little clunky, and that method doesn't properly support things like dragging tabs to reorder them, etc.) The Moz team gutted the tab history APIs when they killed off XUL which is why TMP has never been rewritten - it really can't be...