Full blog post for people wanting context: https://wyday.com/blog/2019/when-in-conflict-security-supersedes-usability/
>> " What is the current status of this? It says "in the near future" an API key can be used from a few different IP addresses. "
Not done yet. No hard date. It'll be out when it's out. It's very low priority right now.
The solution: 1 IP per API key. If you made a mistake you can reset the last-used IP address manually on your settings page when you log into LimeLM.