expose endianness (#1452)

jsteemann · Simran-B · web-flow · commit b3df55a9bbe4 · 2023-08-23T16:55:05.000+02:00
* expose endianness

* Review

* Only little endian at the moment

---------

Co-authored-by: Simran Spiller &lt;simran@arangodb.com&gt;
Co-authored-by: Simran &lt;Simran-B@users.noreply.github.com&gt;
diff --git a/3.12/release-notes-api-changes312.md b/3.12/release-notes-api-changes312.md
@@ -13,6 +13,26 @@ integrations for ArangoDB 3.12.
 
 ### Behavior changes
 
+The following long-deprecated features have been removed from ArangoDB's HTTP
+server:
+
+- Overriding the HTTP method by setting one of the HTTP headers:
+  - `x-http-method`
+  - `x-http-method-override`
+  - `x-method-override`
+
+   This functionality posed a potential security risk and was thus removed.
+   Previously, it was only enabled when explicitly starting the 
+   server with the `--http.allow-method-override` startup option.
+   The functionality has now been removed and setting the startup option does
+   nothing.
+
+- Optionally hiding ArangoDB's `server` response header. This functionality
+  could optionally be enabled by starting the server with the startup option
+  `--http.hide-product-header`.
+  The functionality has now been removed and setting the startup option does
+  nothing.
+
 #### Collection API
 
 When creating a collection using the `POST /_api/collection` endpoint, the
@@ -28,7 +48,14 @@ versions.
 
 ### Endpoint return value changes
 
+#### Storage engine API
+
+- The storage engine API at `GET /_api/engine` does not return the attribute
+  `dfdb` anymore.
 
+- On single servers and DB-Servers, the `GET /_api/engine` endpoint now
+  returns an `endianness` attribute. Currently, only Little Endian is supported
+  as an architecture by ArangoDB. The value is therefore `"little"`.
 
 ### Endpoints added
 
