Release v1.42.0

What's Changed

• chore(deps): bump actions/checkout from 5 to 6 by @dependabot[bot] in #4299
• .cfnlintrc config errors are returned as E0003 by @kddejong in #4300
• New rules for RDS EOL by @kddejong in #4302
• Update supported Python versions by @meeuw in #4266
• State Machine: Implement check & Unit Tests for "StartAt" by @r-heimann in #4264
• Update CloudFormation schemas to 2025-11-30 by @github-actions[bot] in #4295
• chore(deps): bump pyinstaller from 6.16.0 to 6.17.0 in /requirements by @dependabot[bot] in #4301

New Contributors

• @meeuw made their first contribution in #4266

Full Changelog: v1.41.0...v1.41.1

Release v1.41.0

What's Changed

• Update rule E3006 to fail on bad serverless resource types by @kddejong in #4278
• Validate resource Properties type by @kddejong in #4279
• Update github actions python version by @kddejong in #4288
• Add upcoming Europe Sovereign Region by @valerena in #4286
• Update CloudFormation schemas to 2025-11-18 by @github-actions[bot] in #4290

New Contributors

• @valerena made their first contribution in #4286

Full Changelog: v1.40.4...v1.41.0

Release v1.40.4

What's Changed

• Patch boto process to cover shap mismatch boto to schema by @kddejong in #4275
• Update CloudFormation schemas to 2025-10-31 by @github-actions[bot] in #4270

Full Changelog: v1.40.3...v1.40.4

Release v1.40.3

What's Changed

• Update CloudFormation schemas to 2025-10-27 by @github-actions[bot] in #4261

Full Changelog: v1.40.2...v1.40.3

Release v1.40.2

What's Changed

• Update the UpdatePolicy schema by @kddejong in #4257
• Update gitsync schema parameter types by @kddejong in #4258
• State Machine Unit Test: Fix another StartAt typo by @r-heimann in #4260
• Update CloudFormation schemas to 2025-10-13 by @github-actions[bot] in #4259

Full Changelog: v1.40.1...v1.40.2

Release v1.40.1

What's Changed

• Update nodejs18.x lifecycle dates in LmbdRuntimeLifecycle.json to match official AWS Docs by @cullancarey in #4250
• Update integration tests by @kddejong in #4252
• State Machine Unit Test: Fix StartAt typo by @r-heimann in #4251
• Update CloudFormation schemas to 2025-10-09 by @github-actions[bot] in #4248
• Remove format patching for Cloud9 ImageId by @kddejong in #4255

New Contributors

• @cullancarey made their first contribution in #4250
• @r-heimann made their first contribution in #4251

Full Changelog: v1.40.0...v1.40.1

Release v1.40.0

What's Changed

• increase sqs MaximumMessageSize maximum value by @kddejong in #4242
• chore(deps): bump actions/setup-python from 5 to 6 by @dependabot[bot] in #4243
• chore(deps): bump pyinstaller from 6.15.0 to 6.16.0 in /requirements by @dependabot[bot] in #4244
• Migrate from MarkedLoader to (C)SafeLoader by @kddejong in #4246
• Update CloudFormation schemas to 2025-09-29 by @github-actions[bot] in #4245

Full Changelog: v1.39.1...v1.40.0

Release v1.39.1

What's Changed

• Remove rule E3056 by @kddejong in #4230
• Update CloudFormation schemas to 2025-08-26 by @github-actions[bot] in #4226
• Reformat format keyword in some json files by @kddejong in #4232
• Update StateMachine map to support legacy Iterator by @kddejong in #4231
• Add output to Statemachine choice by @kddejong in #4233
• Update SAM transform URI replacement to allow Fn::If by @kddejong in #4234
• SAM transform comma lists to array by @kddejong in #4235
• Update I3510 to skip dynamic references by @kddejong in #4236

Full Changelog: v1.39.0...v1.39.1

Release v1.39.0

What's Changed

• Optimize rule filtering performance by @kddejong in #4222
• Improved handling of directories for --list-templates by @gbudge in #4220
• chore(deps): bump actions/checkout from 4 to 5 by @dependabot[bot] in #4224
• Update CloudFormation schemas to 2025-08-18 by @github-actions[bot] in #4217

Full Changelog: v1.38.3...v1.39.0

Release v1.38.3

What's Changed

• Update CloudFormation schemas to 2025-08-12 by @github-actions[bot] in #4212

Full Changelog: v1.38.2...v1.38.3