Test on OTP-27.0-rc1 + a few minor README tweaks

[paulo-ferraz-oliveira]

Description

I want to make sure nothing's obviously broken at the moment devs start using 27.0-rc1.

Reference

• https://erlangforums.com/t/erlang-otp-27-0-rc1-released/3300

• [x] I have performed a self-review of my changes

• [x] I have read and understood the contributing guidelines

[paulo-ferraz-oliveira]

Release in v1.17.5. v1 and v1.17 moved to the same commit.