--- a
+++ b/docs/_posts/2017-12-20-osim-rl-1.5-released.markdown
@@ -0,0 +1,17 @@
+---
+title: 'Version 1.5 released'
+date: 2017-12-20 11:56:01 -0500
+author: kidzik
+version: 1.5
+categories: [release]
+---
+
+Grader now accepts only this version. In order to switch to the new environment you need to update the `osim-rl` scripts with the following command:
+
+    pip install git+https://github.com/stanfordnmbl/osim-rl.git -U
+
+This release includes following bugfixes
+
+* Fixed first observation (previously it wasn't showing the first obstacle correctly). ([issue #53](https://github.com/stanfordnmbl/osim-rl/issues/53))
+* Fixed geometries for the right leg. ([issue #75](https://github.com/stanfordnmbl/osim-rl/issues/75))
+* Activations from outside [0,1] are clipped to [0,1] ([issue #64](https://github.com/stanfordnmbl/osim-rl/issues/64))
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