Update CHANGELOG.md (#2643)

Author: einarf

CHANGELOG.md

@@ -3,8 +3,11 @@
 You can grab pre-release versions from PyPi. See the available versions from the
 Arcade [PyPi Release History](https://pypi.org/project/arcade/#history) page.
 
+## Version 3.1.1
 
-## Version 3.1
+* Text objects are now lazy and can be created before the window
+
+## Version 3.1.0
 
 - Drop Python 3.9 support
 - Disable shadow window on all platforms to provide a consistent experience