kenji yoshida

- [ ] GenJavadocPlugin - [x] JavaUnidocPlugin, PublishJavadocPlugin https://github.com/sbt/sbt-unidoc/pull/42 - [x] ScalaUnidocPlugin https://github.com/sbt/sbt-unidoc/pull/40

Cross compile with the full Scala version. (support Scala 2.13.1)

2

because tut depends on scala compiler. e.g. tut does not work with Scala 2.13.1 ``` [error] (run-main-1) java.lang.NoSuchMethodError: scala.tools.nsc.Settings.usejavacp()Lscala/tools/nsc/settings/AbsSettings$AbsSetting; ``` similar issue https://github.com/typelevel/kind-projector/issues/15 Maybe same issue(?) https://github.com/tpolecat/tut/issues/255

fix some Scala 3 warnings

8

``` [warn] -- [E164] Declaration Migration Warning: /home/runner/work/scalikejdbc/scalikejdbc/scalikejdbc-core/src/main/scala/scalikejdbc/AutoSession.scala:20:41 [warn] 20 | override private[scalikejdbc] lazy val connectionAttributes [warn] | ^ [warn] |error overriding value connectionAttributes in trait DBSession of type scalikejdbc.DBConnectionAttributes;...

some tests fail on Windows

2

https://github.com/scalikejdbc/scalikejdbc/pull/1033 https://github.com/scalikejdbc/scalikejdbc/blob/b312d3b4a35b043336cb31bb8a572111aa262f39/windows_test_filter.sbt#L2-L8

- https://github.com/lampepfl/dotty/blob/3.1.1/library/src/scala/quoted/ToExpr.scala - https://github.com/lampepfl/dotty/blob/3.1.1/library/src/scala/quoted/FromExpr.scala

RFC 4627 is obsoleted

1

https://github.com/argonaut-io/argonaut/blob/8b1e26165b7ec667a566c8716a73fc6434327c1e/argonaut/shared/src/main/scala/argonaut/JsonNumber.scala#L262-L263 > This document replaces [RFC7159]. [RFC7159] obsoleted [RFC4627], which originally described JSON and registered the media type "application/json". https://tools.ietf.org/html/rfc8259

scala.tools.nsc.javac.JavaParsers can't parse JDK17 "Sealed Classes"

5

## reproduction steps https://openjdk.java.net/jeps/360 https://github.com/scala/scala/blob/v2.13.3/src/compiler/scala/tools/nsc/javac/JavaParsers.scala#L1002 ``` $ java --version openjdk 15 2020-09-15 OpenJDK Runtime Environment (build 15+36-1562) OpenJDK 64-Bit Server VM (build 15+36-1562, mixed mode, sharing) ``` build.sbt ```scala javacOptions...

scalac should respect JEP 409 "Sealed Classes" at compile time

4

## reproduction steps ### `java --version` ``` openjdk 15 2020-09-15 OpenJDK Runtime Environment (build 15+36-1562) OpenJDK 64-Bit Server VM (build 15+36-1562, mixed mode, sharing) ``` ### `A.java` ```java package foo;...