--- title: Kotlin Turns 15: Celebrate the Kotlin Effect | daily.dev description: Kotlin celebrates its 15th anniversary. JetBrains is marking the milestone with community activities including creating digital birthday postcards, a browser... canonical: https://daily.dev/posts/kotlin-turns-15-celebrate-the-kotlin-effect-z21eybiq3 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Kotlin Turns 15: Celebrate the Kotlin Effect | daily.dev og:description: Kotlin celebrates its 15th anniversary. JetBrains is marking the milestone with community activities including creating digital birthday postcards, a browser... og:url: https://daily.dev/posts/kotlin-turns-15-celebrate-the-kotlin-effect-z21eybiq3 og:image: https://api.daily.dev/og/posts/z21eybIQ3.png og:image:alt: Kotlin Turns 15: Celebrate the Kotlin Effect og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Kotlin Turns 15: Celebrate the Kotlin Effect **[Kotlin](https://daily.dev/sources/kotlin)** · 2 min read · 0 upvotes · 0 comments ## Summary Kotlin celebrates its 15th anniversary. JetBrains is marking the milestone with community activities including creating digital birthday postcards, a browser game, and free access to select Kotlin courses on Hyperskill until September 9, 2026. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Kodee’s Kotlin Roundup: Birthday Wishes, Shipaton 2026, and the New Kotlin AI Benchmark](https://daily.dev/posts/kodee-s-kotlin-roundup-birthday-wishes-shipaton-2026-and-the-new-kotlin-ai-benchmark-ws4jxspif) · JetBrains · 0 upvotes · 0 comments --- Tags: [#kotlin](https://daily.dev/tags/kotlin), [#jetbrains](https://daily.dev/tags/jetbrains) [View this post on daily.dev](https://daily.dev/posts/kotlin-turns-15-celebrate-the-kotlin-effect-z21eybiq3) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Kotlin Turns 15: Celebrate the Kotlin Effect","url":"https://daily.dev/posts/kotlin-turns-15-celebrate-the-kotlin-effect-z21eybiq3","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/kotlin-turns-15-celebrate-the-kotlin-effect-z21eybiq3"},"datePublished":"2026-07-17T14:48:14.937Z","dateModified":"2026-07-17T14:52:29.990Z","description":"Kotlin celebrates its 15th anniversary. JetBrains is marking the milestone with community activities including creating digital birthday postcards, a browser...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/abfe73af36e95388e871ace41c74ac37?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/abfe73af36e95388e871ace41c74ac37?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Kotlin","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Kotlin","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/kotlin","url":"https://daily.dev/sources/kotlin"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/kotlin-turns-15-celebrate-the-kotlin-effect-z21eybiq3","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"kotlin,jetbrains","timeRequired":"PT2M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Kotlin","item":"https://daily.dev/sources/kotlin"},{"@type":"ListItem","position":3,"name":"Kotlin Turns 15: Celebrate the Kotlin Effect"}]} ```