The following are changes for October 2022 minor release.
- EWS calendar colors: As of API v2.7, you can retrieve EWS calendar colors in Hex color code format (
hex_color). For more information, refer to GET /calendars and GET /calendars/{id}. 
Updated
Section titled “Updated”- Event filtering: You can now filter events using the 
updated_at_beforeandupdated_at_afterparameters. For more information, refer to GET /events.