Update detekt to v2.0.0-alpha.6

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
dev.detekt	2.0.0-alpha.3 → 2.0.0-alpha.6
dev.detekt:detekt-test-junit (source)	2.0.0-alpha.3 → 2.0.0-alpha.6
dev.detekt:detekt-test (source)	2.0.0-alpha.3 → 2.0.0-alpha.6
dev.detekt:detekt-api (source)	2.0.0-alpha.3 → 2.0.0-alpha.6

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Release Notes

detekt/detekt (dev.detekt:detekt-test-junit)

v2.0.0-alpha.6

2.0.0-alpha.6 - 2026-08-04

This is an alpha release of Detekt 2.0.0. It's built against Kotlin 2.4.10, Gradle 9.6.1, AGP 9.3.1 and is tested against JDK 25.

Notable Changes

• detekt-rules-ktlint-wrapper now targets JVM 17, in preparation for the next ktlint major release which requires JVM 17+, the rest of detekt still targets JVM 8+ - #​9453

Changelog

• feat(rules): add ignoreSealedClasses option to AbstractClassCanBeInterface - #​9557
• docs: drop stale Android compile classpath warning note - #​9550
• Recommend to use Locale.ROOT instead of Locale.US - #​9532
• Recognize params swallowed by KDoc lexer in OutdatedDocumentation - #​9529
• Fix UnusedPrivateProperty false negative for constructor properties - #​9491
• Fix MissingSuperCall false positive when annotation is in grandparent - #​9469
• Fix UseDataClass false positive for properties with a custom accessor - #​9462
• Fix a potential bug on Config.getListOrDefault - #​9461
• Fix UnusedPrivateFunction false positive for overloaded private extension functions with a Java (or generated) receiver type - #​9450
• Fix CanBeNonNullable false negative on local variables - #​9432
• Fix CognitiveComplexMethod false positive for object literal methods - #​9431
• Fix ReturnCount/ThrowsCount false positive where a guard clause following a local variable declaration was still counted (with excludeGuardClauses enabled) - #​9424
• Extend PropertyUsedBeforeDeclaration to follow private init calls - #​9334
• Add configuration ignoredFullyQualifiedNames to UnnecessaryFullyQualifiedName rule - #​9301
• Expose multiline parameter in ClassSignature - #​9084

Dependency Updates

• Update agp to v9.3.1 - #​9538
• Update kotlin monorepo to v2.4.10 - #​9518
• Update Gradle to v9.6.1 - #​9444
• Update Gradle to v9.6.0 - #​9420

Housekeeping & Refactorings

• Reduce scope of @Suppress("UNCHECKED_CAST") - #​9459
• Remove irrelevant test for YamlConfig - #​9457
• fix: handle trailing commas in @​Configuration annotation parsing in JS generator - #​9447
• Production code should not depend on fixtures - #​9439

Contributors

We would like to thank the following contributors that made this release possible: @​3flex, @​BraisGabin, @​ChristophyBarth, @​FilippoVigani, @​Phoenix1808, @​ShubhamWorks02, @​cortinico, @​e5l, @​eyupcanakman, @​iuryeng, @​loganrosen, @​marpalat, @​roian6, @​sahilpatel2521, @​tonytonycoder11

See all issues at: 2.0.0

v2.0.0-alpha.5

2.0.0-alpha.5 - 2026-06-17

This is a hotfix release for 2.0.0-alpha.4 where we fixed 2 bugs that were preventing detekt from running correctly.

Changelog

• fix: stop leaking ktlint-repackage as a transitive dependency - #​9391
• fix: exclude gradle-public-api from published POM - #​9408
• Stop accepting unsupported API or language versions passed to CLI - #​9410

v2.0.0-alpha.4

2.0.0-alpha.4 - 2026-06-13

This is an alpha release of Detekt 2.0.0. Is built against Kotlin 2.4.0, Gradle 9.5.1, AGP 9.2.1 and is tested against JDK 25.

Notable Changes

• Support Kotlin 2.4.0 - #​9218
• Add new rule LeakingSessionBoundType - #​9242
• Apply the indent_style configuration to all the ktlint wrapper rules (previsouly this was applied only to the Indentation rule) - #​9315

Breaking Changes

• Expose Glob-to-Regex functions in psi-utils - #​9340
• Make Detektion immutable - #​8583

Changelog

• fix: prevent ArrayPrimitive crash on unresolved types - #​9364
• Update ktlint documentation links - #​9354
• Fix PrintStackTrace nested call detection - #​9352
• Fix unused import false positive for companion object member extension properties - #​9349
• Accept punctuation after a link - #​9341
• Fixes UnnecessaryFullyQualifiedName false positive with explicit import shadowing - #​9329
• docs: fix KMP type resolution task names - #​9316
• Stop publishing ktlint-repackage - #​9314
• Stop exposing ktlint's StandardRule to detekt-rules-ktlint-wrapper consumers - #​9313
• Include ktlint-repackage in ktlint-wrapper JAR - #​9312
• Declare DGP compatibility with Gradle's configuration cache - #​9311
• Forward languageVersionSettings to KotlinAnalysisApiEngine.compile - #​9305
• docs: add ForbiddenImport configuration example - #​9302
• Fix UnnecessaryFullyQualifiedName clashes with kotlin package name - #​9289
• Remove excludeImportStatements from Deprecation rule - #​9287
• Improve repackaging of Analysis API dependencies - #​9285
• MaxChainedCallsOnSameLine - Fix AA type leaks - #​9261
• SuspendFunSwallowedCancellation - Fix AA type leaks - #​9256
• feat: Add exhaustive option to OutdatedDocumentation rule, also improve error messages - #​9255
• Excluding generated sources by default - #​9251
• Move FileProcessListenerExtensions to :detekt-test - #​9212
• Improve SuspendFunSwallowedCancellation - #​9208
• Cli filters - #​9200
• Allow single-argument Boolean generics in NonBooleanPropertyPrefixedWithIs - #​9173
• Remove Config.parentPath - #​9036

Dependency Updates

• Update Poko to v0.23.1 - #​9371
• Update slf4j monorepo to v2.0.18 - #​9324
• Update agp to v9.2.1 - #​9268

Housekeeping & Refactorings

• Update test to avoid typealias to compiler-required annotation - #​9361
• Remove unnecessary compileOnly dependencies - #​9318

Contributors

We would like to thank the following contributors that made this release possible: @​3flex, @​BraisGabin, @​ChristophyBarth, @​FletchMcKee, @​Lucas-FManager, @​ShubhamWorks02, @​Will-thom, @​e5l, @​fru1tworld, @​jonapoul, @​luanpotter, @​matejdro, @​mirkoalicastro, @​nchen000, @​ninebolt6, @​paulkagiri, @​travisMiehm

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⚠️ Artifact update problem

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The artifact failure details are included below:

File name: gradle/libs.versions.toml

Command failed: ./gradlew -Dorg.gradle.jvmargs=-Xms512m -Xmx512m --console=plain --dependency-verification lenient -q --write-verification-metadata sha256 dependencies

FAILURE: Build completed with 3 failures.

1: Task failed with an exception.
-----------
* Where:
Build file '/tmp/renovate/repos/github/accrescent/server/testdata/android-app-low-target-sdk/build.gradle.kts' line: 55

* What went wrong:
Error resolving plugin [id: 'com.android.application', version: '9.3.1']
> A problem occurred configuring project ':build-logic'.
   > Could not resolve all artifacts for configuration 'classpath'.
      > Could not resolve org.jetbrains.kotlin:kotlin-stdlib:2.3.21.
        Required by:
            buildscript of project ':build-logic'
            buildscript of project ':build-logic' > org.gradle.kotlin.kotlin-dsl:org.gradle.kotlin.kotlin-dsl.gradle.plugin:6.6.4 > org.gradle.kotlin:gradle-kotlin-dsl-plugins:6.6.4
         > Repository Gradle Central Plugin Repository is disabled due to earlier error below:
            > Could not resolve org.jetbrains.kotlin:kotlin-gradle-plugin-api:2.3.21.
               > Could not get resource 'https://plugins.gradle.org/m2/org/jetbrains/kotlin/kotlin-gradle-plugin-api/2.3.21/kotlin-gradle-plugin-api-2.3.21.pom'.
                  > Could not GET 'https://repo.maven.apache.org/maven2/org/jetbrains/kotlin/kotlin-gradle-plugin-api/2.3.21/kotlin-gradle-plugin-api-2.3.21.pom'. Received status code 429 from server: Too Many Requests
> There are 4 more failures with identical causes.

* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights from a Build Scan (powered by Develocity).
> Get more help at https://help.gradle.org.
==============================================================================

2: Task failed with an exception.
-----------
* What went wrong:
A problem occurred configuring project ':build-logic'.
> Could not resolve all artifacts for configuration 'classpath'.
   > Could not resolve org.jetbrains.kotlin:kotlin-stdlib:2.3.21.
     Required by:
         buildscript of project ':build-logic'
         buildscript of project ':build-logic' > org.gradle.kotlin.kotlin-dsl:org.gradle.kotlin.kotlin-dsl.gradle.plugin:6.6.4 > org.gradle.kotlin:gradle-kotlin-dsl-plugins:6.6.4
      > Repository Gradle Central Plugin Repository is disabled due to earlier error below:
         > Could not resolve org.jetbrains.kotlin:kotlin-gradle-plugin-api:2.3.21.
            > Could not get resource 'https://plugins.gradle.org/m2/org/jetbrains/kotlin/kotlin-gradle-plugin-api/2.3.21/kotlin-gradle-plugin-api-2.3.21.pom'.
               > Could not GET 'https://repo.maven.apache.org/maven2/org/jetbrains/kotlin/kotlin-gradle-plugin-api/2.3.21/kotlin-gradle-plugin-api-2.3.21.pom'. Received status code 429 from server: Too Many Requests
> There are 4 more failures with identical causes.

* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights from a Build Scan (powered by Develocity).
> Get more help at https://help.gradle.org.
==============================================================================

3: Task failed with an exception.
-----------
* Where:
Build file '/tmp/renovate/repos/github/accrescent/server/testdata/android-app-low-target-sdk/build.gradle.kts' line: 55

* What went wrong:
Error resolving plugin [id: 'com.android.application', version: '9.3.1']
> A problem occurred configuring project ':build-logic'.
   > Could not resolve all artifacts for configuration 'classpath'.
      > Could not resolve org.jetbrains.kotlin:kotlin-stdlib:2.3.21.
        Required by:
            buildscript of project ':build-logic'
            buildscript of project ':build-logic' > org.gradle.kotlin.kotlin-dsl:org.gradle.kotlin.kotlin-dsl.gradle.plugin:6.6.4 > org.gradle.kotlin:gradle-kotlin-dsl-plugins:6.6.4
         > Repository Gradle Central Plugin Repository is disabled due to earlier error below:
            > Could not resolve org.jetbrains.kotlin:kotlin-gradle-plugin-api:2.3.21.
               > Could not get resource 'https://plugins.gradle.org/m2/org/jetbrains/kotlin/kotlin-gradle-plugin-api/2.3.21/kotlin-gradle-plugin-api-2.3.21.pom'.
                  > Could not GET 'https://repo.maven.apache.org/maven2/org/jetbrains/kotlin/kotlin-gradle-plugin-api/2.3.21/kotlin-gradle-plugin-api-2.3.21.pom'. Received status code 429 from server: Too Many Requests
> There are 4 more failures with identical causes.

* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights from a Build Scan (powered by Develocity).
> Get more help at https://help.gradle.org.
==============================================================================

BUILD FAILED in 1m 7s