Prepare release 3.0.0-exp.2 (#264)

* Update changelog, package version and yamato config

* Add period at the end of changelog entries for consistency.

* Reword Changelog entries

Co-authored-by: Christophe Guertin <[email protected]>

.yamato/upm-ci.yml

@@ -1,12 +1,12 @@
 test_editors:
   - version: trunk
-  - version: 2021.1
+  - version: 2021.2
   - version: 2020.3
   - version: 2019.4
 test_platforms:
   - name: win
     type: Unity::VM
-    image: package-ci/win10:v1.15.0
+    image: package-ci/win10:stable
     flavor: b1.large
   - name: mac
     type: Unity::VM::osx

package/com.unity.formats.usd/CHANGELOG.md

@@ -1,5 +1,15 @@
 # Changes in usd-unitysdk for Unity
 
+## [3.0.0-exp.2] - 2021-09-29
+### Features
+- All interpolation types are now properly supported for Mesh standard attributes (normals, tangents, uvs, colors).
+
+### Bug Fixes
+- Fixed the import of facevarying UVs which showed seams on Meshes.
+- Fixed an import bug causing abstract primitives to be loaded as Game Objects.
+- Fixed the broken Alembic Import.
+- Fixed a crash caused by writing to an invalid USD primitive.
+
 ## [3.0.0-exp.1] - 2021-06-15
 ### Features
 - New Import/Export API. See the ImportHelpers and ExportHelpers class (#237).

package/com.unity.formats.usd/package.json

@@ -30,5 +30,5 @@
         "url": "ssh://[email protected]:Unity-Technologies/usd-unity-sdk.git"
     },
     "unity": "2019.4",
-    "version": "3.0.0-exp.1"
+    "version": "3.0.0-exp.2"
 }