Support dynamic endpoint configuration, discovery, and misc other fixes

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
0 out of 5 committers have signed the CLA.

:x: Longinus00
:x: charlievieth
:x: yashlyft
:x: theatrus
:x: golfdish
_{You have signed the CLA already but the status is still pending? Let us recheck it.}