0.1.2 will be the first public release of Dotty. Being the first one, these notes are incomplete. This document is a work in progress until 0.1.2-final is released. These notes are up-to-date based on 0.1.2-RC1 and will be updated with changes that happen during the RC stabilization cycle.

Required Java Version

Dotty 0.1.2 targets Java 8. We don't have plans to add support for earlier versions of Java.

IDE support for Dotty

Reporting Bugs / Known Issues

Please file any bugs you encounter. If you’re unsure whether something is a bug, please ask on the Dotty gitter channel.

Dotty Doc

Dotty has added support for Dotty Doc. Actually, the dotty documentation site https://nightly.scala-lang.org/docs/ is generated by it. Looks nice, doesn’t it?

#Other implemented features:

This release ships with the following features:

• TASTY support by @odersky, @xeno-by and @darkdimius [1]
• HK-types support by @odersky, @smarter and @darkdimius [2]
• Intersection and Union Types by @odersky [3] [4]
• Enumerations by @odersky [4] [5] [6]
• Implicit By-Name Parameters by @odersky [7]
• Miniphases-based design by @darkdimius, @odersky and @olhotak [8]
• @static methods support by [@darkdmius] [9]
• Non-blocking lazy vals by @darkdimius [10]
• JVM code emission by @magarciaEPFL and @darkdimius [11]
• Efficient multi-dimensional array allocation by @darkdimius [12]
• Default-method based trait composition @odersky and @darkdimius [13] [14]
• Trait parameters by @odersky [15]
• Working contravariant implicits by @odersky [16]
• Option-less pattern matching by @odersky, @darkdimius and @OlivierBlanvillain [17]
• SAM-based anonymous functions by @magarciaEPFL, @darkdimius and @retronym [18]
• Pattern matching support by @darkdimius [19]
• Value classes support by @smarter and @darkdimius [20]
• Pattern matching exhaustivity checks by @liufengyun [21]
• Tailrec optimization by @darkdimius [22] [23]
• Language server protocol implementation by @smarter [24]
• VS code plugin by @smarter [24]
• Vulpix: new test-suite driver by @felixmulder that replaces partest by @vsalvis [25]
• Java parser by @olhotak [26]
• Local optimizations(-optimise) by @darkdimius and @OlivierBlanvillain [27]
• sbt support by @smarter [28]
• DottyDoc by @felixmulder [29]
• Implicit Function Types by @odersky [30]
• Phantom Types by @nicolasstucki [31]
• Functions with more than 22 parameters by @odersky [32]
• Inline keyword by @odersky [33]

Contributors

The Dotty team and contributors have closed 750 issues and have merged a total of 1258 pull requests.

Concretely, according to

git ls-tree -r -z --name-only HEAD -- |egrep -z -Z -E '\.(scala)$'| xargs -0 -n1 git blame --line-porcelain |grep "^author "|sort|uniq -c|sort -nr

71 people contributed code, tests, and/or documentation to Dotty 0.1.2-RC1. The following people have contributed to this release: