The Maps API v3 team has its quarterly version change scheduled for the week of 17 Aug 2026. The versions will then be:Weekly channel will serve 3.66Quarterly channel will serve 3.65Exact version numbers can be specified as v=3.66, v=3.65, v=v3.64, or v=3.633.62 will be decommissioned.If you don't specify a version (or request a retired version), you will be served a default version, which depending on your key configuration will be either 3.65 or 3.66. But a developer specified version will always be honored and served when requested when it's an existing version.
For more information about Maps API versioning, see:
https://developers.google.com/maps/documentation/javascript/versionsTo report issues with any version of the API, see:
https://issuetracker.google.com/issues?q=componentid:188853%20status:open