As I said below, I had to find a new way to manage my bookmarks due to the difference in how it works in Vivaldi. Also after some search I decided to write a cu

As I said below, I had to find a new way to manage my bookmarks due to the difference in how it works in Vivaldi. Also after some search I decided to write a custom search-with extension, which surprised me with learning web-ext signing. Another issue was with download location that works very strangely until you mess with about:config. Firefox also has scrolling tabbar, which I had to disable and restyle so I can actually see where tab buttons are. Spent time on finding a non-malbloat gestures ext. Still have to rewrite some ahk scripts for new bookmarklets placement. Failed to have custom shortcuts (ff has none). I remember having a few more issues but can’t tell now. Things like last tab standing, deciding which one of the history/recently closed lists to use, etc. It took a few days to investigate, google, try and fail, take rest, try again. Sure, I can do this faster now due to experience, but you start with none.