fedi:default_group_chats
Stringified JSON array of strings representing the IDs of any chat groups that all users will join automatically upon creating their username
Use this to make sure all users who join the federation can immediately see at least one universal chat group instead of a blank Chat screen
The group ID can be found by copying the invite code of any public or broadcast only chat groups and stripping the fedi:group:
prefix
Chat Group invite code: fedi:group:vdvydmteqmn_pby9uulhdrzd
Group ID: vdvydmteqmn_pby9uulhdrzd
Be careful not to provide duplicate IDs in this array or the app misbehave
Structure
(stringified) Array of strings
"fedi:default_group_chats": "[\"m9rpczfb7jsmu-9oi7g7zp1y\",\"vdvydmteqmn_pby9uulhdrzd\"]"