The previous version was 1.1.25 and this one is 1.26. Going forward, the version numbers will be 1.27, 1.28, etc.
In the updated numbering scheme,
The release notes document the changes made at the major version level, including all the minor versions indiscriminately.
For both the Insight panel and Track in CRM:
For the Insight panel only:
For Track in CRM only: