State of the Scala 2 Union
summary
Scala 2.13 ships a redesigned standard library with the Scala 2.13 collections rewrite and an intended M5 milestone before a September–October final, removing parallel collections from the core and shrinking the footprint. The validator is a community build of ~170 projects that runs ~13 hours. Roadmap moves to a compiler-focused 2.14 (likely a ~24‑month cycle) to integrate tasty (typed ASTs) and narrow the gap to Scala 3, which brings union types, implicit function types and new macros.
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chapters (8)
- 0:00Start
- 2:09Library release
- 3:57Simpler Collections
- 6:44Smaller core lib Parallel collections
- 8:10Faster Compiler
- 8:21User-friendliness Improve tooling
- 15:13Safe & Concise
- 21:47Close the Scala 3 Gap
