Yes, the second Firefox does not restart automatically when "Restart Nightly to apply updates" is clicked. It has to be restarted manually. However; when it launched manually/command line/, I am not seeing errors.
---Nightly Version before Update---
Version 49.0a1
Build ID 20160501030217
Update Channel nightly
User Agent Mozilla/5.0 (X11; Linux x86_64; rv:49.0) Gecko/20100101 Firefox/49.0
Yes, the second Firefox does not restart automatically when "Restart Nightly to apply updates" is clicked. It has to be restarted manually. However; when it launched manually/command line/, I am not seeing errors.
---Nightly Version before Update---
Version 49.0a1
Build ID 20160501030217
Update Channel nightly
User Agent Mozilla/5.0 (X11; Linux x86_64; rv:49.0) Gecko/20100101 Firefox/49.0