Mastodon Toots du Jour (Jul 20) Jul 21 <1 min read Kotlin Turns 15: Celebrate the Kotlin Effect - The JetBrains Blog #java #jetbrains #kotlin blog.jetbrains.com/kotlin/2026… #PITest Release 1.25.8 #java #mutation #pit #testing github.com/hcoles/pitest/relea… # #java #jetbrains #kotlin #mutation #pit #testing