I have the same issue on my MBP Late 2013, but on my MBP 2017 everything works s...

mosselman on May 9, 2018 | parent | context | favorite | on: Firefox 60 released

I have the same issue on my MBP Late 2013, but on my MBP 2017 everything works smooth. Not as smooth as chrome, but nothing really noticeable. I always have 40+ tabs open.