Update README

README.md

@@ -2,7 +2,9 @@
 
 This library's purpose is to ease creation of nodes with one or more displays on sides. For example, signs and clocks. Display can be dynamic and/or different for each node instance.
 
-**Limitations**: This lib uses entities to draw display. This means display has to be vertical. So display nodes rotation are limitated to "upside up" positions.
+**Limitations**: This lib uses entities to draw display. This means display has to be vertical (and "upside up") on Minetest before version 5.0. This restriction can be set in settings.
+
+**Settings**: `display_rotation_restriction` should be set to false if using Minetest 5.0 and above, true otherwise.
 
 **Dependancies**:default
 
@@ -21,3 +23,12 @@ Following objects are deprecated, shows a warning in log when used:
 * `display_lib` global table (use `display_api` global table instead);
 
 These objects will be removed in the future.
+
+## Change log
+
+### 2019-03-09
+- __display_api__: Display nodes can be rotated in every directions (if running Minetest 5 or above).
+- __display_api__: New setting to restrict rotations to Minetest 0.4 abilities (**restriction enabled by default**).
+
+### 2018-12-14
+- __display_api__: New `yaw` attributes, entities can now have different angles with node.