# MockK changelog

> A mocking library built for Kotlin rather than adapted to it.

- Vendor: MockK
- Category: Developer Tools
- Official site: https://mockk.io
- Tracked by: What's New (https://whatsnew.fyi/product/mockk)
- Harvested from: GitHub (mockk/mockk)
- Entries below: 10 (newest first)

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

## Releases

### v1.14.11

- Date: 2026-05-29
- Version: v1.14.11
- Original notes: https://github.com/mockk/mockk/releases/tag/v1.14.11
- Permalink: https://whatsnew.fyi/product/mockk/releases/v1.14.11

- **fixed** — Added SameInstanceMatcher to handle an issue with equals method when using EqMatcher along with a mock to an object
- **added** — Add scoped confirmVerified overloads for callables (KFunction and KProperty)
- **added** — Support MockKAnnotation.useDependencyOrder for JUnit 5
- **added** — Allow updating settings from code
- **added** — Add currentThread filter and excluded mocks to clearAllStubsFromMemory
- **added** — Support new Kotlin annotation defaulting rule for @InjectMockKs
- **added** — Add context parameters support module
- **fixed** — Resolve @InjectMockKs dependency order for interface
- **fixed** — Resolve @InjectMockKs dependency order for list injection
- **fixed** — Extract native lib from APK when not on filesystem (AGP 8.5+)
- **fixed** — Support OpenJ9 in JvmAutoHinter

##### What's Changed
* fix: added SameInstanceMatcher to handle an issue with equals method when using EqMatcher along with a mock to an object by @DOssaA in https://github.com/mockk/mockk/pull/1508
* Add scoped confirmVerified overloads for callables (KFunction and KProperty) by @DOssaA in https://github.com/mockk/mockk/pull/1513
* feat: support MockKAnnotation.useDependencyOrder for JUnit 5 by @ilia1243 in https://github.com/mockk/mockk/pull/1515
* Allow updating settings from code by @Yentis in https://github.com/mockk/mockk/pull/1517
* Add currentThread filter and excluded mocks to clearAllStubsFromMemory by @evgenru in https://github.com/mockk/mockk/pull/1519
* Support new Kotlin annotation defaulting rule for @InjectMockKs by @ZzAve in https://github.com/mockk/mockk/pull/1525
* feat(dsl): Add context parameters support module (#1431) by @faraz152 in https://github.com/mockk/mockk/pull/1521
* fix: resolve @InjectMockKs dependency order for interface by @neungs-2 in https://github.com/mockk/mockk/pull/1526
* fix: resolve @InjectMockKs dependency order for list injection by @ilia1243 in https://github.com/mockk/mockk/pull/1527
* fix: extract native lib from APK when not on filesystem (AGP 8.5+) by @snowykte0426 in https://github.com/mockk/mockk/pull/1529
* fix: support OpenJ9 in JvmAutoHinter by @hspedro in https://github.com/mockk/mockk/pull/1530

##### New Contributors
* @DOssaA made their first contribution in https://github.com/mockk/mockk/pull/1508
* @ilia1243 made their first contribution in https://github.com/mockk/mockk/pull/1515
* @Yentis made their first contribution in https://github.com/mockk/mockk/pull/1517
* @evgenru made their first contribution in https://github.com/mockk/mockk/pull/1519
* @ZzAve made their first contribution in https://github.com/mockk/mockk/pull/1525
* @faraz152 made their first contribution in https://github.com/mockk/mockk/pull/1521
* @hspedro made their first contribution in https://github.com/mockk/mockk/pull/1530

**Full Changelog**: https://github.com/mockk/mockk/compare/1.14.9...v1.14.11

### 1.14.9 — v1.14.9

- Date: 2026-01-26
- Version: 1.14.9
- Original notes: https://github.com/mockk/mockk/releases/tag/1.14.9
- Permalink: https://whatsnew.fyi/product/mockk/releases/1.14.9

##### What's Changed
* fix: normalize value class arguments in EqMatcher for consistent comparison by @edwardmp in https://github.com/mockk/mockk/pull/1440
* Add configurable logging to withArg & withNullableArg by @OsaSoft in https://github.com/mockk/mockk/pull/1441
* docs(readme): document suppressing superclass calls by @ch200203 in https://github.com/mockk/mockk/pull/1444
* Fix for issue #1103. by @sdetilly in https://github.com/mockk/mockk/pull/1449
* Fix configuration option example for restricted classes by @TWiStErRob in https://github.com/mockk/mockk/pull/1465
* Fix InaccessibleObjectException when spying on JDK interfaces on JDK 16+ by @Copilot in https://github.com/mockk/mockk/pull/1457
* Fix Java 11 compatibility: replace Random.nextLong(long, long) with Java 8 compatible alternative by @Copilot in https://github.com/mockk/mockk/pull/1456
* Add optional restricted mock system property by @nishatoma in https://github.com/mockk/mockk/pull/1454
* Fix StackOverflowError when mocking methods returning ArrayList by @Copilot in https://github.com/mockk/mockk/pull/1464
* Change JUnit 4/5 dependencies from implementation to compileOnly by @Copilot in https://github.com/mockk/mockk/pull/1455
* bump dependencies, bump dexter by @jgrnrt in https://github.com/mockk/mockk/pull/1477
* Fix issue 1475: nullable value class verification by @sdetilly in https://github.com/mockk/mockk/pull/1480
* Migrate build configuration to version catalog by @jgrnrt in https://github.com/mockk/mockk/pull/1481
* Clean up CI configuration and build artifacts by @jgrnrt in https://github.com/mockk/mockk/pull/1482
* Add Spotless formatting plugin by @jgrnrt in https://github.com/mockk/mockk/pull/1483
* Enable ktlint unused-imports rule and clean up code by @jgrnrt in https://github.com/mockk/mockk/pull/1489
* chore: enable no-wildcard-imports in ktlint by @jgrnrt in https://github.com/mockk/mockk/pull/1491
* Add List injection support for @InjectMockKs (#1356) by @h2jinee in https://github.com/mockk/mockk/pull/1492
* Unify settings files by prioritizing mockk.properties in MockKSettings by @snowykte0426 in https://github.com/mockk/mockk/pull/1474
* Fix type matching for any() when parameter is Any  (#1296) by @chapakook in https://github.com/mockk/mockk/pull/1494
* Upgrade Dokka to 2.1.0 and Refactor Documentation Setup by @jgrnrt in https://github.com/mockk/mockk/pull/1499
* chore: bump gradle to 9.3.0, add .gitattributes by @jgrnrt in https://github.com/mockk/mockk/pull/1502
* Fix #1342: Handle value classes for type parameters and don't unbox value classes returned as interface/supertype by @ianbrandt in https://github.com/mockk/mockk/pull/1442
* Introduce clearAllStubsFromMemory by @nishatoma in https://github.com/mockk/mockk/pull/1503
* Bump dokka to 2.2.0-Beta by @jgrnrt in https://github.com/mockk/mockk/pull/1505
* fix: resolve @InjectMockKs initialization order based on dependencies by @neungs-2 in https://github.com/mockk/mockk/pull/1500

##### New Contributors
* @edwardmp made their first contribution in https://github.com/mockk/mockk/pull/1440
* @OsaSoft made their first contribution in https://github.com/mockk/mockk/pull/1441
* @sdetilly made their first contribution in https://github.com/mockk/mockk/pull/1449
* @Copilot made their first contribution in https://github.com/mockk/mockk/pull/1457
* @nishatoma made their first contribution in https://github.com/mockk/mockk/pull/1454
* @jgrnrt made their first contribution in https://github.com/mockk/mockk/pull/1477
* @h2jinee made their first contribution in https://github.com/mockk/mockk/pull/1492
* @snowykte0426 made their first contribution in https://github.com/mockk/mockk/pull/1474
* @chapakook made their first contribution in https://github.com/mockk/mockk/pull/1494
* @ianbrandt made their first contribution in https://github.com/mockk/mockk/pull/1442
* @neungs-2 made their first contribution in https://github.com/mockk/mockk/pull/1500

**Full Cha

_[Truncated at 4000 characters — full notes: https://github.com/mockk/mockk/releases/tag/1.14.9]_

### 1.14.7 — v1.14.7

- Date: 2025-12-06
- Version: 1.14.7
- Original notes: https://github.com/mockk/mockk/releases/tag/1.14.7
- Permalink: https://whatsnew.fyi/product/mockk/releases/1.14.7

##### What's Changed
* fix: normalize value class arguments in EqMatcher for consistent comparison by @edwardmp in https://github.com/mockk/mockk/pull/1440
* Add configurable logging to withArg & withNullableArg by @OsaSoft in https://github.com/mockk/mockk/pull/1441
* docs(readme): document suppressing superclass calls by @ch200203 in https://github.com/mockk/mockk/pull/1444
* Fix for issue #1103. by @sdetilly in https://github.com/mockk/mockk/pull/1449
* Fix configuration option example for restricted classes by @TWiStErRob in https://github.com/mockk/mockk/pull/1465
* Fix InaccessibleObjectException when spying on JDK interfaces on JDK 16+ by @Copilot in https://github.com/mockk/mockk/pull/1457
* Fix Java 11 compatibility: replace Random.nextLong(long, long) with Java 8 compatible alternative by @Copilot in https://github.com/mockk/mockk/pull/1456
* Add optional restricted mock system property by @nishatoma in https://github.com/mockk/mockk/pull/1454
* Fix StackOverflowError when mocking methods returning ArrayList by @Copilot in https://github.com/mockk/mockk/pull/1464
* Change JUnit 4/5 dependencies from implementation to compileOnly by @Copilot in https://github.com/mockk/mockk/pull/1455

##### New Contributors
* @edwardmp made their first contribution in https://github.com/mockk/mockk/pull/1440
* @OsaSoft made their first contribution in https://github.com/mockk/mockk/pull/1441
* @sdetilly made their first contribution in https://github.com/mockk/mockk/pull/1449
* @Copilot made their first contribution in https://github.com/mockk/mockk/pull/1457
* @nishatoma made their first contribution in https://github.com/mockk/mockk/pull/1454

**Full Changelog**: https://github.com/mockk/mockk/compare/1.14.6...1.14.7

### 1.14.6

- Date: 2025-10-01
- Version: 1.14.6
- Original notes: https://github.com/mockk/mockk/releases/tag/1.14.6
- Permalink: https://whatsnew.fyi/product/mockk/releases/1.14.6

##### What's Changed
* Fix and add clearMocks test cases by @jmatsu in https://github.com/mockk/mockk/pull/1419
* make captured value reference volatile by @mmimica in https://github.com/mockk/mockk/pull/1418
* add fail-fast guard for Kotlin inline function mocking (#1030) by @ch200203 in https://github.com/mockk/mockk/pull/1421
* add test reports to GitHub actions by @aSemy in https://github.com/mockk/mockk/pull/994
* fix duration denormalized error by @tigermint in https://github.com/mockk/mockk/pull/1424
* refactor: enhance confirmVerified function to include clear option by @felix-dolderer-el in https://github.com/mockk/mockk/pull/1427

##### New Contributors
* @jmatsu made their first contribution in https://github.com/mockk/mockk/pull/1419
* @mmimica made their first contribution in https://github.com/mockk/mockk/pull/1418
* @ch200203 made their first contribution in https://github.com/mockk/mockk/pull/1421
* @tigermint made their first contribution in https://github.com/mockk/mockk/pull/1424
* @felix-dolderer-el made their first contribution in https://github.com/mockk/mockk/pull/1427

**Full Changelog**: https://github.com/mockk/mockk/compare/1.14.5...1.14.6

### 1.14.5

- Date: 2025-07-16
- Version: 1.14.5
- Original notes: https://github.com/mockk/mockk/releases/tag/1.14.5
- Permalink: https://whatsnew.fyi/product/mockk/releases/1.14.5

##### What's Changed
* [Feature] Implement BDD-style aliases as separate module (mockk-bdd) by @Minseok-2001 in https://github.com/mockk/mockk/pull/1399
* fix: downgrade byte-buddy to 1.5.11 by @Komdosh in https://github.com/mockk/mockk/pull/1413

##### New Contributors
* @Minseok-2001 made their first contribution in https://github.com/mockk/mockk/pull/1399

**Full Changelog**: https://github.com/mockk/mockk/compare/1.14.4...1.14.5

### 1.14.4

- Date: 2025-06-22
- Version: 1.14.4
- Original notes: https://github.com/mockk/mockk/releases/tag/1.14.4
- Permalink: https://whatsnew.fyi/product/mockk/releases/1.14.4

This release is functionally equivalent to v1.14.3, I just wanted to try out the new publishing process that uses Maven Central instead of OSSRH.

**Full Changelog**: https://github.com/mockk/mockk/compare/1.14.3...1.14.4

### 1.14.3

- Date: 2025-06-21
- Version: 1.14.3
- Original notes: https://github.com/mockk/mockk/releases/tag/1.14.3
- Permalink: https://whatsnew.fyi/product/mockk/releases/1.14.3

##### What's Changed
* chore: bump byte buddy version to support java 24 by @Komdosh in https://github.com/mockk/mockk/pull/1387
* chore: bump gradle version to 8.14 by @Komdosh in https://github.com/mockk/mockk/pull/1389
* chore: bump dokka, kotlinx.coroutines, slf4j, logback, junit jupiter by @Komdosh in https://github.com/mockk/mockk/pull/1388
* Add recursive detection of meta-annotations by @VitalyVPinchuk in https://github.com/mockk/mockk/pull/1393
* chore: bump kotlin to 2.1.20 by @Komdosh in https://github.com/mockk/mockk/pull/1390
* fix: enable confirmVerified to work with static mocks by @happysubin in https://github.com/mockk/mockk/pull/1396
* Add logging on failure inside withArg by @Djaler in https://github.com/mockk/mockk/pull/1395
* Update Android aritfacts to support 16kb page sizes by @WhosNickDoglio in https://github.com/mockk/mockk/pull/1394
* Use instance factory for value classes with any() matcher by @esafak in https://github.com/mockk/mockk/pull/1403

##### New Contributors
* @Komdosh made their first contribution in https://github.com/mockk/mockk/pull/1387
* @happysubin made their first contribution in https://github.com/mockk/mockk/pull/1396
* @Djaler made their first contribution in https://github.com/mockk/mockk/pull/1395
* @WhosNickDoglio made their first contribution in https://github.com/mockk/mockk/pull/1394
* @esafak made their first contribution in https://github.com/mockk/mockk/pull/1403

**Full Changelog**: https://github.com/mockk/mockk/compare/1.14.2...1.14.3

### 1.14.2

- Date: 2025-04-29
- Version: 1.14.2
- Original notes: https://github.com/mockk/mockk/releases/tag/1.14.2
- Permalink: https://whatsnew.fyi/product/mockk/releases/1.14.2

##### What's Changed
* Change mockk configuration paths to test sourceSet by @TWiStErRob in https://github.com/mockk/mockk/pull/1378
* Use redefine if mockkStatic is used (fix candidate for #1375) by @sgerke-1L in https://github.com/mockk/mockk/pull/1376


**Full Changelog**: https://github.com/mockk/mockk/compare/1.14.0...1.14.2

### 1.14.0

- Date: 2025-04-09
- Version: 1.14.0
- Original notes: https://github.com/mockk/mockk/releases/tag/1.14.0
- Permalink: https://whatsnew.fyi/product/mockk/releases/1.14.0

##### What's Changed
* Update the kdoc of verifyAll to describe its behavior correctly by @harel-biton in https://github.com/mockk/mockk/pull/1363
* Fix returning result values by @burnoo in https://github.com/mockk/mockk/pull/1352
* fix: ensure confirmVerified is isolated per test by @rsvinicius in https://github.com/mockk/mockk/pull/1367
* Do not generate visibility bridge for package-private default methods (fixes #1118) by @sgerke-1L in https://github.com/mockk/mockk/pull/1366
* fix: handle fallback to default constructor parameters in constructed… by @VitalyVPinchuk in https://github.com/mockk/mockk/pull/1370

##### New Contributors
* @harel-biton made their first contribution in https://github.com/mockk/mockk/pull/1363
* @burnoo made their first contribution in https://github.com/mockk/mockk/pull/1352
* @rsvinicius made their first contribution in https://github.com/mockk/mockk/pull/1367
* @sgerke-1L made their first contribution in https://github.com/mockk/mockk/pull/1366
* @VitalyVPinchuk made their first contribution in https://github.com/mockk/mockk/pull/1370

**Full Changelog**: https://github.com/mockk/mockk/compare/1.13.17...1.14.0

### 1.13.17

- Date: 2025-03-04
- Version: 1.13.17
- Original notes: https://github.com/mockk/mockk/releases/tag/1.13.17
- Permalink: https://whatsnew.fyi/product/mockk/releases/1.13.17

##### What's Changed
* Fix(Issue #1333): Bug fix for the issue with MockK 1.13.16 Wraps Results Objects Twice by @kpadhiamex in https://github.com/mockk/mockk/pull/1334
* Fix (issue# 1329) parallel testing for unmockkAll by @kpadhiamex in https://github.com/mockk/mockk/pull/1335
* [#1304] feat: Restrict mocking of certain classes and add configuration option  by @devtaebong in https://github.com/mockk/mockk/pull/1340
* Update README.md - Clarify that private fields cannot be mocked by @p4ulor in https://github.com/mockk/mockk/pull/1347
* Added new property "failOnSetBackingFieldException" to fail test if a backing field could not be set by @cgm-aw in https://github.com/mockk/mockk/pull/1349
* Fix compilation error in constructedWith docs by @TWiStErRob in https://github.com/mockk/mockk/pull/1354

##### New Contributors
* @devtaebong made their first contribution in https://github.com/mockk/mockk/pull/1340
* @p4ulor made their first contribution in https://github.com/mockk/mockk/pull/1347
* @cgm-aw made their first contribution in https://github.com/mockk/mockk/pull/1349
* @TWiStErRob made their first contribution in https://github.com/mockk/mockk/pull/1354

**Full Changelog**: https://github.com/mockk/mockk/compare/1.13.16...1.13.17