Heads up - Greasemonkey 4 update, might break old Neopets scripts

[j03]

If you use Greasemonkey in Firefox, the latest update for FF is 57, which updates GM to version 4. This version is apparently a complete re-write of the old GM extension, so some older scripts for GM 3 and below won't work. See details here:

(you need an account to see links)

Looks like Tampermonkey should work with older scripts if they aren't functioning correctly in GM.