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dotty v0.22.0-RC1 Release Notes

Release Date: 2020-02-03 // about 4 years ago

  • Notable Changes

    Syntax

    🆕 New syntax for collective extension methods #7917
    🛠 Fix #7139: Implement kind-projector compatibility #7775
    🔄 Change to given/using syntax #8162

    Metaprogramming

    API

    ➕ Add constructors for TypeOrBounds that are not refs or PolyType #7961
    🚚 Move unsafe operations from Expr to UnsafeExpr #8041
    ➕ Add requiredXYZ symbols to TASTy reflect context #7903

    Semantics

    🛠 Fix #7142: Detect scope extrusions in macros and run #8000
    Disallow phase inconsistent inline parameters #8061
    Redefine semantics of inline parameters #8060

    Other Highlights

    ➕ Add primitive compiletime operations on singleton types #7628
    👉 Make suggestions of missing implicits imports on type errors #7862
    🛠 Fix #6849: support irrefutable sequence match #6850
    🚀 Upgrade to sbt 1.3.6, release sbt-dotty 0.4.0 #7953
    🛠 Fix #7991: don't set JavaDefined for Dotty Enum module class #8008
    IArray extension methods #7795
    Put erased under -Yerased-terms flag #7906

    Contributors

    🚀 Thank you to all the contributors who made this release possible 🎉

    🔀 According to git shortlog -sn --no-merges 0.21.0-RC1..0.22.0-RC1 these are:

       192 Martin Odersky
    85 Nicolas Stucki
    57 Antoine Brunner
    42 Liu Fengyun
    29 Guillaume Martres
    23 Aggelos Biboudis
    17 Maxime Kjaer
    10 Anatolii
     7 Jamie Thompson
     4 Minghao Liu
     3 Travis Brown
     3 Andrew Valencik
     2 fhackett
     2 Dvir Faivel
     2 Nadezhda Balashova
     2 Ruslan Shevchenko
     2 Lan, Jian
     2 Anatolii Kmetiuk
     2 Yevgen Nerush
     1 Dale Wijnand
     1 odersky
     1 Dmitrii Naumenko
     1 Eric K Richardson
     1 Eric Loots
     1 Jaap van der Plas
     1 Keith Pinson
     1 Miles Sabin
     1 Alexander Shamukov
     1 Som Snytt
     1 Taisuke Oe
     1 Timothée Floure
     1 bishabosha
     1 gzoller

    Reporting Bugs

    🍱 If you encounter a bug, please open an issue! 🙏