Discontinuing Kotlin synthetics for views

Synthetic properties to access views were created as a way to eliminate the common boilerplate of findViewById calls. These synthetics are provided by JetBrains in the Kotlin Android Extensions Gradle plugin (not to be confused with Android KTX). In November 2020, we announced that this plugin has been deprecated in favor of better solutions, and we recommended removing the plugin from your projec

[KeithYokoma]

Kotlin synthetics が消えるのがメインコンテンツだが、しれっと 2022 年中に Kotlin は 1.8 まで行く気でいることが示されていることにも注目している。