appsync: add support for mapping DynamoDB queries (#5940) (2240e97), closes #5861
aws-codebuild: allow github sourceversion branch (#5890) (155b80e), closes #5777
cloudformation: update Resource Specification to v10.4.0 (#5982) (178ca5e)
ecs: add support for enabling container insights (#5601) (6236634)
ecs: ContainerImage.fromDockerImageAsset (b94577a), closes #5791 #5983
ecs: ContainerImage.fromDockerImageAsset (#6093) (38e9865), closes #5791 #5983
ecs: Firelens log driver support (#5457) (4acf0f7)
lambda: avail function log group in the CDK (#5878) (fd54a17), closes #3838
lambda: higher level construct for Node.js (#5532) (02d0e2a)

Bug Fixes

assets: add exclude glob patterns to calculating fingerprint for staging (#6085) (d9a043b), closes #5238
aws-s3-deployment: fix server side encryption parameters (#6006) (c7197c0), closes #6002
cli: colored text is unreadable when using light themes (#5250) (b4573ef)
cli: parse equals sign in context values (#5773) (667443c), closes #5738
codepipeline: manual approval action doesn't have configuration without a topic (#6106) (a63cbf8), closes #6100
cognito: standard attr timezone unexpectedly creates custom attr (#5973) (acf3ffc)
ec2: add MachineImage factory, document instance replacement (#6065) (435d810), closes #5675 #6025
ec2: private DNS for custom endpoints has incorrect default (d681d96)
ecr-assets: docker images are not built if .dockerignore includes an entry that ignores the dockerfile. (#6007) (e7ef5e5)
ecs: fix splunk-sourcetype (#6128) (6456a7c)
ecs-patterns: queue service grant permission automatically (#6110) (0d0794e)
ecs-patterns: remove duplicated schedule property for scheduled task pattern (#6101) (15b6aa7)
eks: missing VPC permissions for fargate profiles (#6074) (0a586fc)
glue: Make Glue Database locationUri optional. (#5784) (a065169), closes #5268 #5268 #5268 #5268
iam: policies added to immutably imported role (#6090) (f1f5319), closes #5569 #5943
init-templates: JavaScript, TypeScript, and Python init templates are broken in 1.21.0 (#5989) (505c91e), closes #5986
route53: CaaAmazonRecord ignores recordName (#6027) (16f9721), closes #5764
route53: correct import example in README.md (#5946) (ed71931)
s3-deployment: passing any system metadata causes lambda to fail on "Unknown options:" when invoking aws cli. (#6086) (b30add8)

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