add to changelog

Author: FynnBe

README.md

@@ -127,6 +127,7 @@ The model specification and its validation tools can be found at <https://github
 ### 0.6.3
 
 * Fix [#386](https://github.com/bioimage-io/core-bioimage-io-python/issues/386)
+* (in model inference testing) stop assuming model inputs are tileable
 
 ### 0.6.2