language
Kotlin is a statically typed programming language from JetBrains, widely used for Android development and also compiling to JVM, JavaScript, and native targets.
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Shopify is moving every mobile app off React Native to Swift and Kotlin, with its Shop app in stores 12 weeks after a one-week agent-built prototype. The shipped app came out of a gated, screen-by-screen review process that a team copying Shopify would have to build first.
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Google's Android developer verification starts September 30 in Brazil, Indonesia, Singapore and Thailand, covering apps from any channel on certified devices. Developers shipping outside Play, F-Droid included, now need a plan for verified identity in those markets.
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JetBrains' Kotlin 2.5.0-Beta1 adds an off-by-default mode that stops Multiplatform common code from compiling against dependencies' platform-only declarations. With the flag on, builds reject the calls IntelliJ already flags as unresolved, so KMP teams are better off finding that breakage on a branch first.
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Developer hram had a coding agent build a Kotlin messenger for Android, iOS, desktop and web from a 33 KB master prompt split into five step prompts. Every prompt is public and unedited, so teams can test the plan-first method against the code it produced.
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Six engineers shipped a fully native Shop app in 12 weeks, but the first attempt at handing the React Native code to a model produced what Shopify's engineering director called slop. Helix chunks each screen instead.
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Shopify's Helix ports its 300-plus-screen app off React Native in small LLM-built checkpoints, each held behind four gates. The design assumes the model's first attempt is wrong, so most of the adoption cost sits in test harnesses and a written architecture.
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When a screen crashes only in the minified release build, the missing piece is a runtime contract static analysis never saw. A dev.to walkthrough runs a three-way build comparison and a retrace before touching a keep rule.
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The typed authentication module and Netty's HTTP/3 support both arrive experimental in Ktor 3.6.0, while the changes that touch code you already wrote are two deprecations and one client Accept-header setting.
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Beta 1 arrives in September with breaking changes frozen, leaving about two months of testing before general availability, and Quarkus 3.40 LTS has community maintenance until September 2027 for teams that need longer.
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Shopify is dropping React Native five years after standardising on it, on Head of Mobile Mustafa Ali's estimate that two native codebases now beat a shared runtime. Its reported gains compare against React Native's old architecture.
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The Kotlin Benchmark grades agents on 105 verified repository tasks. Its token column shows setups that solve within a few tasks of each other burning between 66,000 and 777,000 tokens per fix.
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Shopify's case for dropping React Native rests on agents porting features between iOS and Android. The tooling built around those agents shows how much human review that still takes, and what the switch costs in hotfix speed.
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A dev.to walkthrough derives SOLID's five letters from two forces, cohesion and coupling. The SRP case it works in full turns on one private helper that two departments share and code review waves through.
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A Kotlin blog post explores adding a JVM target to Compose HTML so backends emit type-safe components instead of strings. It is framed as an exploration, not a commitment.
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A dev.to walkthrough of on-device ML on Android traces one withdrawn screening feature back to main-thread inference and a float32 model, and prices what quantization and a calibration set would have saved.
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Gherkin's one real feature is a non-developer authoring scenarios in plain text. A post on dev.to argues that on real teams the criteria are written in Jira and a developer retypes them, leaving four texts to keep in agreement.
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The engine reads the leading bytes of a 256-bit hash as two integers a double holds exactly and adds them in one operation, matching the server's single Long-to-Double rounding. Crash avoids doubles entirely.
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In SDK 57 the DSL that listed what a module exposed becomes annotations on ordinary Swift methods, and Swift's own mutability and async keyword now decide what JavaScript sees. Views and Android come later.
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Capawesome's new Capacitor plugin runs Google's Kotlin-first ads artifact on Android and the legacy SDK on iOS. Any cross-platform monetization stack faces the same split before the June 2028 sunset.
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A dev.to post argues that assistant-written Kotlin breaks between files rather than inside them. Its own worked example, a nine-dependency ViewModel with an empty catch block, is already covered by detekt defaults nobody has to enable.
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