* `allowed_post_formats`: MIME-type list of formats allowed to be posted (transformed into HTML)
* `mrf_transparency`: Make the content of your Message Rewrite Facility settings public (via nodeinfo).
* `mrf_transparency_exclusions`: Exclude specific instance names from MRF transparency. The use of the exclusions feature will be disclosed in nodeinfo as a boolean value.
-* `scope_copy`: Copy the scope (private/unlisted/public) in replies to posts by default.
-* `subject_line_behavior`: Allows changing the default behaviour of subject lines in replies. Valid values:
- * "email": Copy and preprend re:, as in email.
- * "masto": Copy verbatim, as in Mastodon.
- * "noop": Don't copy the subject.
-* `always_show_subject_input`: When set to false, auto-hide the subject field when it's empty.
* `extended_nickname_format`: Set to `true` to use extended local nicknames format (allows underscores/dashes). This will break federation with
older software for theses nicknames.
* `max_pinned_statuses`: The maximum number of pinned statuses. `0` will disable the feature.