In search of stable auth library for CI4

Hey everybody,

This is my first post here. 
I've worked on CodeIgniter 1, 2 and 3 projects over the years and am excited with what CI4 has to offer.

Our dev team and I are building a major application (18+ months long) and I am trying to make the best selection of authentication library. 
I would very much appreciate any suggestions or input on how you guys have solved authentication in CI4 projects.

My priorities are (in this order):

1. Stable code base
2. Role-based authorization
3. Full feature set (login, register, recover password, confirm email, etc)
4. Strong on-going support
5. Openness to community contribution, in case I need to make additions

We are also interested in implementing oauth features.

We are looking for other options beyond myth/auth because they are still in a beta phase for CI4.

Rodrigo Kestler | cosolis.com