MySQL Installer Guide
The Installer manifest (the manifest that is periodically downloaded by the Installer to list available MySQL products) was modified to force users with Installer 1.6.9 or older to upgrade to the latest Installer version. (Bug #36696662)
Fixed behavior of the left, right, and double left arrows to function as expected. (Bug #31547454)
Clicking [X] on the confirmation window for a Cancel operation now lets the operation continue rather than cancel it. (Bug #30510289)