V8 engine has been improved through various fixes that count for performance and stability on all platforms.
The “privacy” extension API is no longer experimental for Chrome Dev 18.0.1025.1
. The reason for this is to expose privacy-relevant preferences, which could help developers guide the user into certain groups of settings.
Additional modifications available in this release are Mac-related. Specifically, it takes care of the problem with empty bookmarks menu when changing profiles. This issue has been fixed for Windows and Linux in a recent beta
, but it looks like it persisted on Mac.