Localstack

**1. New Features**

* add support for v4 signature calculations in S3 presigned URLs
* add support for nodejs14.x Lambda runtimes
* add CF support for EC2::Subnet, EC2::VPC, Events::EventBus, ApiGateway::Model

**2. Enhancements**

* add auto_restart option to ShellCommandThread to restart DynamoDB process on error
* run CF deployments asynchronously in the background
* extract auth details from query parameters in edge service
* add test for Java Lambda archive built from Gradle
* check existence of KinesisConsumer and add missing Header to binary Kinesis messages
* add small util function to get or create S3 bucket
* automatically confirm SNS subscriptions to fix TF deployments
* extend TF tests with EC2 resources
* add logs with build info when process starts up
* add support for deletion of SES templates
* refactor tests and logic for EventBridge targets

**3. Bug Fixes**

* fix extraction of SQS QueueArn in CloudFormation models
* fix mechanism to determine whether LocalStack is running inside Docker for Github Actions compatibility
* fix extracting list of changes in CloudFormation change sets
* fix result processing of external Lambda invocations via LAMBDA_FORWARD_URL
* fix edge route mapping logic to identify EventBridge API calls
* fix incorrect region parameter in EventBridge tests
* fix SQS redrive policy tests failing after recent upgrade
* fix tests for new SNS subscription attributes
* fix missing 'detail' field when putting EventBridge events with empty details
* fix resource path in event sent to Lambda from API Gateway
* fix log output for "localstack config" CLI commands
* minor fix in API GW request routing
* minor fix for SES response parsing

**1. New Features**

* initial support for Kinesis consumers and SubscribeToShard via HTTP2 push events
* add LS_LOG option to customize the default log level
* add CloudFormation support for Lambda::EventInvokeConfig
* add support and tests for StepFunctions intrinsic functions
* add support for LAMBDA_FORWARD_URL to forward Lambda invocations
* add support for accounts management in API Gateway
* add support for API Gateway validators
* add initial support for SWF API
* add CloudFormation support for Route53::RecordSet
* add "events" target for EventBus to forward messages between different event bus instances
* add support for Lambda event source mapping with self-managed kafka cluster as event source

**2. Enhancements**

* add support for deleting S3 bucket lifecycle configurations
* add CLI command for validating configurations defined in docker-compose files
* merge stack outputs on CloudFormation UpdateStack
* avoid sending MessageGroupId to SQS when using ElasticMQ
* add test for Kinesis stream consumer Lambda event mapping
* add a TLDR-style docker run command in the README
* add AWS_REGION to environment when launching Lambda functions
* add support for base path mappings in API Gateway
* add missing endpoint/domain for ES call from Firehose
* add .NET client library info to README
* add module jdk.zipfs to custom JDK to fix JAR loading issues
* add missing attributes for ACM certificates to avoid Terraform crashes
* add support for Route53 ListHostedZonesByVPC
* update S3 event version from 2.0 to 2.1
* skip returning groupName in IP permissions for non-default VPCs
* enhance support for ACM domain validation
* add API to list Elasticsearch versions
* support Route53 matching for domain names ending with a dot
* make unzip(..) util function more resilient to errors inside Alpine/Docker
* minor refactoring of CloudFormation model base class
* add SES email delivery for SNS notifications
* refactor IAM to incorporate upstream changes
* minor refactoring of API GW stage variables
* fall back to Python unzipping if native "unzip" command fails
* add support for Route53 AssociateVPCWithHostedZone
* pin version of cryptography<3.4 to avoid issue with new Rust dependency
* handle empty marker in S3 list objects
* add CloudFormation support for deletion of SNS subscriptions
* support attribute TreatMissingData in CloudWatch metrics
* add test cases for CloudWatch Logs subscriptions
* remove persistence for SNS APIs that cause issues with generated IDs
* ensure case-insensitive dict for headers to fix gzip encoding issue with TF

**3. Bug Fixes**

* fix evaluating conditions to skip resource deployment in CloudFormation
* fix extraction of tags from URL-encoded request payload
* fix list_hosted_zones_by_vpc API for Route53
* fix Lambda handler in Serverless tests for local executor
* fix adjusting CloudFormation stack status when running ExecuteChangeSet
* fix API Gateway response for base path mapping with empty path
* fix setting of default region from environment variables
* fix tests to accommodate min length of API GW API keys
* fix disabling of rules in EventBus API
* fix Kinesis GetRecords output with bytearray data for consumption with AWS Java SDK v2
* fix API Key validation for API Gateway for multiple keys configured
* fix response for ACM certificate verification status
* fix update of HOSTNAME_EXTERNAL in SQS via backdoor config API
* fix startup of Elasticsearch process on ES domain creation
* fix error response for non-existent keys in S3 range requests
* fix tests for ACM certificates created via Terraform
* minor fixes for tagging CloudWatch alarms
* minor fix in SecretsManager to accept secret ARN as SecretId

**1. New Features**

* support Lambda/Kinesis/Firehose targets for CloudWatch Log subscription filters
* add backdoor API to receive raw CloudWatch metrics
* add tagging support for CloudWatch metrics

**2. Enhancements**

* convert Content-Length headers to upper-case as required by some S3 libs
* enhance CloudFormation support for EC2::SecurityGroup, IAM::InstanceProfile, EC2:Instance, KMS:Key
* enhance CloudFormation support for API Gateway resources
* enhance CloudFormation logic for managed and inline IAM policies
* add SES listener to add missing xmlns for error responses
* modify timestamp format of CloudWatch GetMetricData entries
* perform deletion of DynamoDB streams only if table exists
* add support for tags in CloudFormation stacks
* add support for Fn:GetAZs intrinsic function in CloudFormation
* include change set params when resolving stack parameters
* refactor Lambda API to use RegionBackend base class
* add messageGroupId parameter for SQS targets in events rules
* minor: add util method to initialize REGIONS for RegionBackend
* minor refactoring of API Gateway invocation logic for better extensibility
* minor: add util function to kill process trees for cleanup/shutdown
* minor refactoring of startup log messages
* minor refactoring of Lambda API for better extensibility

**3. Bug Fixes**

* fix logic for restoring DEEP_ARCHIVE objects in S3 API
* fix incorrect response tags for Redshift ClusterSubnetGroups
* fix Java Lambda containers to listen on debug_port if specified in LAMBDA_JAVA_OPTS
* fix millisecond conversion of ApproximateArrivalTimestamp in Kinesis GetRecords
* fix test credentials in DynamoDB request headers
* fix region lookup for API Gateway REST API invocations
* fix patching of API GW REST API attributes
* fix CF attribute lookup for LambdaPermission
* fix Kinesis proxy listener to skip base64 decoding for byte message contents
* fixed gzip encoding of payload on Lambda trigger from log subscription event
* fix DynamoDB listener to properly look up throttling configuration
* fix edge path routing for S3 PutObject with nested key name when using Java SDK
* fix string format of SecretsManager secret value when referencing from SSM
* fix LastModified value for Lambda API to support Terraform 0.13 and 0.14
* fix date format in SES for AWS Java SDK v2 compatibility
* fix deployment of CloudFormation templates with IAM::InstanceProfile
* fix logic and integration test for Lambda destinations
* fix JSON encoding of payload from Lambda fallback invocation
* fix error response on Firehose PutRecord for non-existing stream
* minor fix for local Lambda mounts
* minor CloudFormation fixes for S3 buckets
* minor fixes for CloudFormation and handling AWS auth headers

**1. New Features**

* major change: rewrite CloudFormation to use an independent deployment mechanism
* recursively return all outputs for nested CloudFormation stacks
* add gzip decoding to edge service to support zipped request payloads
* add support for CF functions select/split/base64
* add missing CF APIs: GetTemplate, GetTemplateSummary, ListImports
* add message group id for events in SNS->SQS integration
* add basic persistence for SecretsManager

**2. Enhancements**

* refactor CloudFormation implementation to use resource model classes
* add missing CF resource props for DDB/SQS resources
* add proper signal handling in supervisord to support kubernetes deployment
* add util functions to determine disk usage of files/folders
* add SET_TERM_HANDLER config for Docker entrypoint
* add default config for StepFunctions port to avoid clash with PORT env variable
* add support for Lambda destinations to forward results to SQS
* add missing edge route mapping for SNS ConfirmSubscription
* add integration test for StepFunction try/catch functionality
* add small util function to determine whether a local port can be bound
* enhance DynamoDB performance by skipping item lookups if no streams enabled
* minor refactoring of region backend base class
* support S3 key names containing hashes
* add method to configure CF deploy templates in resource class
* add ability to get an AppSync DataSource's physical id in CF
* extend create_zip_file util function to allow specifying target zip file
* pass environment variables to Lambdas with "provided" runtime
* run Lambda set_function_code in background to avoid network timeouts
* sort S3 object versions by creation date

**3. Bug Fixes**

* fix SNS message format for .NET SDK by removing null values
* fix returning LogResult from synchronous Lambda invocations
* fix assertions for machine creation/deletion in StepFunction tests
* fix fetching Arn attribute on SFN state machine updates via CF
* fix broken tests related to util function change
* fix escaping of policy JSON in ApiGateway resources using Terraform
* fix whitespaces in SQS redrive policy JSON
* fix date format in SSM & SecretsManager for Java SDK compatibility
* fix removal of deleted resources from CF stack template
* fix infinite recursion when loading stack exports that reference other imports
* fix response format for CloudFormation ListExports
* fix returning log output on Lambda errors
* fix yaml to JSON parsing of CF templates
* minor fixes for CF resource updates for IAM roles and SFN state machines
* minor fix in date format parsing for S3 policy expiration dates
* minor fix when cloning CF stack template metadata
* minor CF fixes for use with CDK

**1. New Features**

* add integration for StepFunctions state machine executions in API Gateway
* add gzip encoding of response payloads to edge service
* add backdoor API to restart all processes inside the main container
* add SNS target type for EventBridge API
* use locking to run Lambdas with docker-reuse executor in sequence
* make `TEST_*_URL` endpoints configurable in the environment

**2. Enhancements**

* use locking to fix concurrency during persistence restoration
* hardcode local hostname instead of using $HOSTNAME from the environment
* skip MD5 checks on S3 multipart uploads
* log content of outgoing emails in SES
* use `.Config.Entrypoint` for more robust Docker entrypoint lookup
* refactor and enhance CF resolution of placeholders in Sub expressions
* extract Ref attribute for CloudFormation Sub attributes with "${resource}" syntax
* migrate Helm charts into separate repo
* minor: add util function to run async coroutine in given event loop
* minor: add util function to construct XML response messages
* minor refactoring in edge routing and CF FN::ImportValue resolution

**3. Bug Fixes**

* fix absolute path for DATA_DIR when starting up DynamoDB process
* fix broken S3 test related to date format of Expires header
* fix parsing of host name to determine path based addressing in S3 requests
* fix processing of EventBridge events on multiple targets and inputPath
* fix logic to update Lambda function version based on content hash
* fix CF issue updating state machine with FN ref in definition string
* fix resolving name refs when querying CF resource deployment state
* remove encryptionType:NONE attribute in Kinesis records to avoid breaking .NET lambdas
* fix stdin I/O issues when passing events to provided Lambda runtimes (e.g., for Rust)
* fix CF export name uniqueness checks prior to stack deployment
* fix issue when updating CF template with StateMachine
* fix default account ID in SecretsManager ARN responses
* minor fix in startup command for `provided` Lambda runtimes
* minor fix in CloudFormation related to missing set_exports method in `moto-ext`

**1. New Features**

* release initial version of Helm chart
* add support for API Gateway update-rest-api via JSON patch operations
* add content based filtering in Events API
* add support for Lambda code signing APIs
* add support for Lambda concurrency API

**2. Enhancements**

* add Vagrant configuration for reproducible CentOS dev environments
* minor: reduce log verbosity for chunk-based file downloads
* enhance CloudFormation logic to load state of existing resources
* add required workdir to supervisord configuration
* enhance SSM / SecretsManager integration to get secret parameters
* disable moto instance tracking to avoid memory leak
* add support for Route53 get-change
* handle IAM::Policy resource in CloudFormation
* add integration test to deploy CF template generated by CDK
* refactor and stabilize CloudFormation dependency resolution mechanism
* add edge forwarding rule for AWS AssumeRoleWithSAML action
* ensure using correct test credentials for generating S3 presigned URLs
* add missing Access-Control-Allow-Credentials CORS header to S3 responses
* improve Terraform tests
* add PackageType property for Lambda functions
* add test cases for Lambda code signing config
* minor refactoring in DynamoDB test utils
* minor refactoring of AWS test credentials
* enhance support for FN::ImportValue and FN::Sub in CloudFormation templates
* support KCL 2.x timestamps and ARN replacements in Kinesis CBOR payloads
* consider $REQUESTS_CA_BUNDLE for SSL verification in download utils
* add missing CachingClusterStatus in API GW to fix Terraform crash issue
* add Thai segmentation support to JRE as required by Elasticsearch 7+
* create custom, compressed JRE via jlink in base image

**3. Bug Fixes**

* fix /etc/hosts and Quart dependency for Centos 8
* fix edge route mapping for EventBridge requests from Go SDK
* fix response structure for API GW Integration/Response
* fix passing of stack parameters/resources to CloudFormation changesets
* fix default account ID in SecretsManager ARN responses
* fix issue with resolving FN::Sub references in CF templates
* fix recreation of SNS topic with same name and different tags
* fix missing attributes in Lambda update-function-config
* fix timeoutInMillis attribute missing from API Gateway integrations
* fix edge route mapping for STS AssumeRoleWithWebIdentity
* fix SSM & SecretsManager integration for secrets names with slashes
* fix URL host name and credentials when generating presigned URL
* fix non-zero content length for gzipped 204 status