When will sandboxes be upgraded?
On the 5th and 6th of January, Sandboxes will be upgraded; as a result, your organization will get the look and feel of Spring’18 release. In this release, you will find lots of new features, as well as, new enhancements related to Lightning Experience and Communities.
Can you call the JavaScript controller of an associated Lightning component?
Or do things directly in the browser, such as open a particular URL or confirm that a record was created with a toast message. With flow local actions, you can call the JavaScript controller of an associated Lightning component, which means you can integrate directly with the browser.
Summary of Event Monitoring Spring'18 Release Features
1. Hourly Event Log Files Beta - enhanced interval to obtain event log data for customers and partners
Example
Suppose your Salesforce org connects to an external system via an OData adapter. When you defined the external data source in Salesforce, you selected Named Principal for Identity Type. With the named principal, the same set of credentials is always used to access the external system from your org.