Hawaii communication is now unified in the Waze Southwest Region Discord community. To join the group, click here, sign up, and say Hi : https://discord.gg/twxnqnU All editors are also recommended to join the US National community as well: https://discord.gg/WRq3tzV
Other community resources
There is also a Waze Hawaii Facebook page, but this is meant more as a channel for app changes for Wazers and general awareness.
See Hawaii/Community for guidance in Hawaii that may not be universal to all other states and territories.