Updating-and-release-notes.md

-### Current version: `3.0.0b35`
+### Current version: `3.0.0b36`
 
 You can check the version installed by running `obi --version`
 
@@ -21,6 +21,9 @@ python3 setup.py install
 
 ### Release notes:
 
+* `3.0.0b36`: 
+  - `obi ls`: reworked a bit (mostly just now done in C instead of Cython)
+
 * `3.0.0b35`: 
   - `ecotag`: added separate threshold for minimum circle identity (sequence is assigned to the LCA of all sequences within a similarity circle of the best matches; the threshold for this circle is the highest value between the chosen minimum circle identity and the best assignment score found)