Sourced from @​aws-lambda-powertools/logger's changelog.

2.26.0 (2025-09-11)

Improvements

• logger update getCodeLocation regex to improve performance (#4389) (801333d)
• batch simplified the parser integration api with batch processor (#4465) (96977ff)

Bug Fixes

• parser updated the binaryValue and stringValue in the SqsMsgAttributeSchema to nullable (#4450) (cefcbdb)
• event-handler handle nullable fields in APIGatewayProxyEvent (#4455) (200f47b)

Features

• parser integrate parser with Batch Processing (#4408) (0b6bbbb)
• parser implemented a helper function Base64Encoded to decode base64 encoded payloads (#4413) (1554360)
• parser add IPv6 support for sourceIp in API Gateway schemas (#4398) (2a94c37)
• event-handler remove undefined from Router's resolve type signature (#4463) (d36ef55)
• event-handler implement mechanism to manipulate response in middleware (#4439) (35a510d)
• event-handler add route specific middleware registration and execution (#4437) (e6ea674)
• event-handler add middleware registration and composition to rest handler (#4428) (fc87eb3)
• event-handler add support for error handling in AppSync GraphQL (#4317) (77a992f)
• event-handler add resolution logic to base router (#4349) (f1ecc6d)

Maintenance

• event-handler rename variables to reflect that options object is now a RequestContext (#4460) (5b4ee1a)
• event-handler expose rest handler functionality (#4458) (23eddfd)
• event-handler split Router tests into multiple files (#4449) (91a1ec4)
• event-handler rename BaseRouter class to Router (#4448) (b043c28)

• ddb52e3 chore(ci): bump version to 2.26.0 (#4469)
• d0bbfe0 chore(deps): bump github/codeql-action from 3.30.2 to 3.30.3 (#4467)
• 41292d5 chore(deps-dev): bump zod from 4.1.5 to 4.1.7 (#4468)
• 96977ff refactor(batch): simplified the parser integration api with batch processor (...
• b050235 docs(event-handler): add documentation for RESt API (#4464)
• 131d64b chore(deps-dev): bump @​biomejs/biome from 2.2.3 to 2.2.4 (#4461)
• d36ef55 feat(event-handler): remove undefined from Router's resolve type signature (#...
• 5b4ee1a chore(event-handler): rename variables to reflect that options object is now ...
• 23eddfd chore(event-handler): expose rest handler functionality (#4458)
• 200f47b fix(event-handler): handle nullable fields in APIGatewayProxyEvent (#4455)
• Additional commits viewable in compare view

Sourced from @​aws-lambda-powertools/commons's changelog.

2.26.0 (2025-09-11)

Improvements

• logger update getCodeLocation regex to improve performance (#4389) (801333d)
• batch simplified the parser integration api with batch processor (#4465) (96977ff)

Bug Fixes

• parser updated the binaryValue and stringValue in the SqsMsgAttributeSchema to nullable (#4450) (cefcbdb)
• event-handler handle nullable fields in APIGatewayProxyEvent (#4455) (200f47b)

Features

• parser integrate parser with Batch Processing (#4408) (0b6bbbb)
• parser implemented a helper function Base64Encoded to decode base64 encoded payloads (#4413) (1554360)
• parser add IPv6 support for sourceIp in API Gateway schemas (#4398) (2a94c37)
• event-handler remove undefined from Router's resolve type signature (#4463) (d36ef55)
• event-handler implement mechanism to manipulate response in middleware (#4439) (35a510d)
• event-handler add route specific middleware registration and execution (#4437) (e6ea674)
• event-handler add middleware registration and composition to rest handler (#4428) (fc87eb3)
• event-handler add support for error handling in AppSync GraphQL (#4317) (77a992f)
• event-handler add resolution logic to base router (#4349) (f1ecc6d)

Maintenance

• event-handler rename variables to reflect that options object is now a RequestContext (#4460) (5b4ee1a)
• event-handler expose rest handler functionality (#4458) (23eddfd)
• event-handler split Router tests into multiple files (#4449) (91a1ec4)
• event-handler rename BaseRouter class to Router (#4448) (b043c28)

• ddb52e3 chore(ci): bump version to 2.26.0 (#4469)
• d0bbfe0 chore(deps): bump github/codeql-action from 3.30.2 to 3.30.3 (#4467)
• 41292d5 chore(deps-dev): bump zod from 4.1.5 to 4.1.7 (#4468)
• 96977ff refactor(batch): simplified the parser integration api with batch processor (...
• b050235 docs(event-handler): add documentation for RESt API (#4464)
• 131d64b chore(deps-dev): bump @​biomejs/biome from 2.2.3 to 2.2.4 (#4461)
• d36ef55 feat(event-handler): remove undefined from Router's resolve type signature (#...
• 5b4ee1a chore(event-handler): rename variables to reflect that options object is now ...
• 23eddfd chore(event-handler): expose rest handler functionality (#4458)
• 200f47b fix(event-handler): handle nullable fields in APIGatewayProxyEvent (#4455)
• Additional commits viewable in compare view

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