At the moment of this writing, Scala 2.13 has reached its five-year milestone and approaches the first release candidate. At this point, its feature set is unlikely to change and it is safe to take a look at the new features of the update.

In this chapter, we will talk about the scope of the release, placing the main focus of the conversation on its centerpiece—the new collection library.

The following topics will be discussed in this chapter:

• Introduction to Scala 2.13
• New features of Scala 2.13
• The Scala 2.13 collection library