# MAX Nightly 26.1.0.dev2025121919 Released

**URL:** <https://forum.modular.com/t/max-nightly-26-1-0-dev2025121919-released/2539>\
**Category:** Nightly\
**Created:** [December 19, 2025, 10:00pm UTC](https://forum.modular.com/t/max-nightly-26-1-0-dev2025121919-released/2539 "2025-12-19T22:00:48Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Modular](https://sea1.discourse-cdn.com/flex001/user_avatar/forum.modular.com/modular/32/17_2.png) [@Modular](https://forum.modular.com/u/Modular)\
**Post date:** [December 19, 2025, 10:00pm UTC](https://forum.modular.com/t/max-nightly-26-1-0-dev2025121919-released/2539/1 "2025-12-19T22:00:48Z")

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🧑‍🚀 A new nightly version has been released! 🧑‍🚀

See the quickstart guide for installation instructions: [Quickstart | Modular](https://docs.modular.com/max/get-started/#set-up-your-project)

MAX changelog updates:

Mojo changelog updates:

- [stdlib] feat: Mark `Movable` as `@explicit_destroy`
- [stdlib] Add variadic.zip and varidic.slice
- [External] [stdlib] Make Counter conform to Writable, Stringable and Representable (#74418)
- [mojo-lang] Introduce `comptime(x)` expressions.
- [LSP] Add debouncing for document updates in Mojo LSP Server
- [stdlib] Remove `Copyable` requirement for `Iterator`

Raw MAX diff: [https://github.com/modular/modular/compare/13736a8166b257e09dadcdb08ff73baf36084de5...6f4be513a62b06a3c5682ad6bef341232a56af10](https://github.com/modular/modular/compare/13736a8166b257e09dadcdb08ff73baf36084de5...6f4be513a62b06a3c5682ad6bef341232a56af10))\>  
Current Mojo changelog: [https://github.com/modular/modular/blob/main/mojo/docs/changelog.md](https://github.com/modular/modular/blob/main/mojo/docs/changelog.md)