--- title: Preparing for CoreCLR: Unity’s New Lifecycle Management API description: Unity 6.5 (currently in beta) introduces a new Lifecycle Management API with eight new attributes to address long-standing pain points around domain reloading... canonical: https://daily.dev/posts/preparing-for-coreclr-unity-s-new-lifecycle-management-api-wxq7v7kp4 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Preparing for CoreCLR: Unity’s New Lifecycle Management API | daily.dev og:description: Unity 6.5 (currently in beta) introduces a new Lifecycle Management API with eight new attributes to address long-standing pain points around domain reloading... og:url: https://daily.dev/posts/preparing-for-coreclr-unity-s-new-lifecycle-management-api-wxq7v7kp4 og:image: https://api.daily.dev/og/posts/WXq7v7Kp4.png og:image:alt: Preparing for CoreCLR: Unity’s New Lifecycle Management API 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. # Preparing for CoreCLR: Unity’s New Lifecycle Management API **[git-amend](https://daily.dev/sources/git-amend)** · 9 min read · 0 upvotes · 0 comments ## Summary Unity 6.5 (currently in beta) introduces a new Lifecycle Management API with eight new attributes to address long-standing pain points around domain reloading and static variable management. Key additions include AutoStaticsCleanup and NoAutoStaticsCleanup for automatic resetting of static members between play mode sessions, OnEnteringPlayMode and OnExitingPlayMode hooks for custom logic at play mode transitions, and a code reload family (OnCodeLoaded, OnCodeInitializing, OnCodeDeinitializing, OnCodeUnloading) for fine-grained control over assembly load/unload phases. These APIs are runtime-agnostic, working with both Mono and the upcoming CoreCLR, and are designed to smooth the transition to CoreCLR planned for Unity 6.8. An open-source backport is available for Unity 6.0–6.4. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#c#](https://daily.dev/tags/c#), [#unity](https://daily.dev/tags/unity) [View this post on daily.dev](https://daily.dev/posts/preparing-for-coreclr-unity-s-new-lifecycle-management-api-wxq7v7kp4) ```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":"Preparing for CoreCLR: Unity’s New Lifecycle Management API","url":"https://daily.dev/posts/preparing-for-coreclr-unity-s-new-lifecycle-management-api-wxq7v7kp4","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/preparing-for-coreclr-unity-s-new-lifecycle-management-api-wxq7v7kp4"},"datePublished":"2026-07-19T07:59:01.696Z","dateModified":"2026-07-19T08:04:39.913Z","description":"Unity 6.5 (currently in beta) introduces a new Lifecycle Management API with eight new attributes to address long-standing pain points around domain reloading...","image":"https://i.ytimg.com/vi/X6ClELFNqr4/sddefault.jpg","thumbnailUrl":"https://i.ytimg.com/vi/X6ClELFNqr4/sddefault.jpg","isAccessibleForFree":true,"articleSection":"git-amend","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":"git-amend","logo":"https://media.daily.dev/image/upload/s--dR-FewbM--/f_auto,q_auto/v1784447928/logos/git-amend?_a=BAMAMicg0","url":"https://daily.dev/sources/git-amend"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/preparing-for-coreclr-unity-s-new-lifecycle-management-api-wxq7v7kp4","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"c#,unity","timeRequired":"PT9M","video":{"@type":"VideoObject","name":"Preparing for CoreCLR: Unity’s New Lifecycle Management API","description":"Unity 6.5 (currently in beta) introduces a new Lifecycle Management API with eight new attributes to address long-standing pain points around domain reloading...","thumbnailUrl":"https://i.ytimg.com/vi/X6ClELFNqr4/sddefault.jpg","uploadDate":"2026-07-19T07:59:01.696Z","duration":"PT9M","url":"https://api.daily.dev/r/WXq7v7Kp4","embedUrl":"https://www.youtube.com/embed/X6ClELFNqr4"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"git-amend","item":"https://daily.dev/sources/git-amend"},{"@type":"ListItem","position":3,"name":"Preparing for CoreCLR: Unity’s New Lifecycle Management API"}]} ```