This release fixes a few problems discovered in the 1.16 release. Notably the breakage of the CSS exclusion option. It also rolls back a change introduced in 1.16 regarding opening links in new windows.
Issue #2252937: Added ability to preview content variations from campaign edit page.
Issue #2249105: Added ability to create a new block inline from personalized blocks.
Issue #2247927: Decision caching should be on a per-agent basis, not a global setting
Issue #2247833: Allow specifying option labels for personalized fields and use throughout. Includes indexing personalized fields with option ids and usability changes for variation label default values.