Here is a list of issues that were fixed in this release - build 2.6.10.

Issue Key Description
AVSUPPORT-29002, AVSUPPORT-29208 Group 'dismiss' action did not work for all events, action was successful only for subset of the events. This happened when doing a group action on events from different SaaS, and grouped events.
AVSUPPORT-28631 The GTB DLP engine was skipping "application/octet-stream" file types.
AVSUPPORT-28512 Fixed handling of inline Gmail policies with groups, for users where the an alias address was used as a member of the group. This bug could cause some users to be not protected and in some extreme cases mail loss.
AVSUPPORT-28360 Non-premium customer recieving premium alerts
AVSUPPORT-24158 Events not being aggregated in some cases. The aggregation logic had to be refined.