Disallow data modification through the json API when set.
+## `experimental-api-key`
+* String
+* Available since: 3.4.1
+
+experimental-api-key REST API Static authentication key (required for API use)
+
## `experimental-dname-processing`
* Boolean
* Default: no
to enable transparent restarts, but it may also mask configuration issues and
for this reason it is disabled by default.
+## `security-poll-suffix`
+* String
+* Default: secpoll.powerdns.com.
+* Available since: 3.4.1
+
+Domain name from which to query security update notifications
+
## `server-id`
* String
* Default: The hostname of the server
**WARNING**: Version 3.X of the PowerDNS Authoritative Server is a major upgrade if you are coming from 2.9.x. Please follow **all** instructions.
+# 3.4.1 to 3.4.2
+
+## API
+**Warning**: `priority` is no longer part of `records` in the API. `content` now includes the backend's `priority` field (see [API Spec](../httpapi/api_spec.md#url-serversserver_idzoneszone_id) for details).
+
+# 3.4.0 to 3.4.1
+
+## Configuration option changes
+
+### New options
+* [`experimental-api-key`](settings.md#experimental-api-key)
+* [`security-poll-suffix`](settings.md#security-poll-suffix)
+
# 3.3.1 to 3.4.0
If you are coming from any 3.x version (including 3.3.1), there is a mandatory SQL schema upgrade