Maybe third party cookies? They are a potential privacy problem after all and
since IceCat tries to address those sorts of things I would not be surprised
to find they're turned off by default.
For your Bank Check your cookie policy in Privacy settings or in about:config
network.cookie.lifetimePolicy = 2
cookies are deleted at the end of the session
0 = Accept cookies normally
1 = Prompt for each cookie
2 = Accept for current session only
3 = Accept for N days
concerning Abrowser you
I cleaned out my .mozilla directory and did a system upgrade. Now, I cannot
add extensions to ABrowser. Instead, I am using Icecat, but with LibreJS
replaced with NoScript. I now find that, e even with the scripts allowed, my
bank's site will not accept passwords when I use Icecat; It