# Major evolution of the type system, including protocol improvements, etc

**URL:** <https://forums.swift.org/t/major-evolution-of-the-type-system-including-protocol-improvements-etc/65249>\
**Category:** Pitches\
**Created:** [May 29, 2023, 2:20pm UTC](https://forums.swift.org/t/major-evolution-of-the-type-system-including-protocol-improvements-etc/65249 "2023-05-29T14:20:08Z")\
**Posts on this page:** 1\
**Showing post:** 21

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**Author:** ![David\_Smith](https://sea2.discourse-cdn.com/swift/user_avatar/forums.swift.org/david_smith/32/37508_2.png) [@David\_Smith](https://forums.swift.org/u/David_Smith)\
**Post date:** [May 30, 2023, 6:22pm UTC](https://forums.swift.org/t/major-evolution-of-the-type-system-including-protocol-improvements-etc/65249/21 "2023-05-30T18:22:46Z")

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> [@tera](#):
>
> What are these? Dialects?

See e.g. "Swift 6 mode" discussed here [Design Priorities for the Swift 6 Language Mode](https://forums.swift.org/t/design-priorities-for-the-swift-6-language-mode/62408)

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