Update package version to 3.20.1

changelog/v3.20.1.md

@@ -0,0 +1,10 @@
+# v3.20.1
+
+## Summary
+
+The v3.20.1 release is a patch release that addresses two regressions in the v3.20.0 release. See the [v3.20.0 release notes](https://github.com/openlayers/ol3/releases/tag/v3.20.0) for details on upgrading from v3.19.x.
+
+## Fixes
+
+ * [#6280](https://github.com/openlayers/ol3/pull/6280) - Continue loading tiles when image is not ready yet ([@ahocevar](https://github.com/ahocevar))
+ * [#6283](https://github.com/openlayers/ol3/pull/6283) - Avoid modifying coordinate in forEachLayerAtCoordinate ([@tschaub](https://github.com/tschaub))

package.json

@@ -1,6 +1,6 @@
 {
   "name": "openlayers",
-  "version": "3.20.0",
+  "version": "3.20.1",
   "description": "Build tools and sources for developing OpenLayers based mapping applications",
   "keywords": [
     "map",