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Upgrade to Kotlin 2.x and set a new related baseline #33629

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sdeleuze opened this issue Oct 1, 2024 · 3 comments
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Upgrade to Kotlin 2.x and set a new related baseline #33629

sdeleuze opened this issue Oct 1, 2024 · 3 comments
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@sdeleuze
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theme: kotlin An issue related to Kotlin support type: dependency-upgrade A dependency upgrade
Milestone
7.0.0-M1

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@sdeleuze
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sdeleuze commented Oct 1, 2024

Spring Framework 7 will use Kotlin 2.x as a new baseline, TBD if we use 2.0, 2.1, 2.2 or 2.3 as the minimal version supported, this kind of decision could be driven by #21546 requirements.

Kotlin Serialization and Kotlin Coroutines should be upgraded accordingly, related upgrade issue will be created when it is clearer what version we will use.
@sdeleuze sdeleuze added type: dependency-upgrade A dependency upgrade theme: kotlin An issue related to Kotlin support labels Oct 1, 2024
@sdeleuze sdeleuze added this to the 7.0.x milestone Oct 1, 2024
@sdeleuze sdeleuze self-assigned this Oct 1, 2024
@schnapster schnapster mentioned this issue Nov 1, 2024
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@sdeleuze sdeleuze mentioned this issue Nov 5, 2024
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@sdeleuze sdeleuze modified the milestones: 7.0.x, 7.0.0-M1 Nov 29, 2024
This was referenced Dec 5, 2024
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sdeleuze added a commit to sdeleuze/spring-framework that referenced this issue Dec 5, 2024
@sdeleuze
Stop using Java code snippets in Kotlin ones
58020ff 
As a preparation to using a Kotlin 2 baseline, this commit stops using
Java code snippets in Kotlin ones in order to avoid redeclaration
errors.

See spring-projectsgh-33629
sdeleuze added a commit to sdeleuze/spring-framework that referenced this issue Dec 5, 2024
@sdeleuze
Add .kotlin directory to .gitignore
fec68f5 
See spring-projectsgh-33629
sdeleuze added a commit to sdeleuze/spring-framework that referenced this issue Dec 5, 2024
@sdeleuze
Add .kotlin directory to .gitignore
c2822a6 
See spring-projectsgh-33629
@bcmedeiros
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Do we know the earliest Spring Boot public release that will contain this issue and the expected timeline for it?

@sdeleuze
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Yes, it will be Spring Boot 4.0 that should be available towards in end of 2025 as mentioned in this announcement. That said, it should be possible to use Kotlin 2 with Spring Boot 3 and Spring Framework 6, but you should pay attention to dependency management.

@silviuburceadev
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We are using Kotlin 2 with SB 3.4 without any issues.

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@sdeleuze sdeleuze

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theme: kotlin An issue related to Kotlin support type: dependency-upgrade A dependency upgrade
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Milestone
7.0.0-M1
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@sdeleuze @bcmedeiros @silviuburceadev