[RC1] Lambda Managed Instance + Multi-tenancy support

[FullyTyped]

Release Changelog

[1.1.0-rc1] - 2026-01-06: Lambda Managed Instance + Multi-tenancy support.

Added

• Tenant ID Support: Added tenant_id field to Context struct for multi-tenancy scenarios
• Lambda Managed Instances (LMI): Experimental concurrent execution support with run_concurrent() functions
• Worker Pool Model: N-worker architecture based on AWS_LAMBDA_MAX_CONCURRENCY environment variable
• API Client Pooling: Enhanced API client with connection pooling for concurrent requests
• Concurrent Streaming: BoxCloneService support for concurrent HTTP streaming responses
• New Examples:
• basic-tenant-id demonstrating multi-tenancy features
• basic-lambda-concurrent showcasing concurrent execution
• Experimental Feature Flag: experimental-concurrency to gate new concurrent APIs

Changed

• MSRV: Updated minimum supported Rust version from 1.82.0 to 1.84.0
• X-Ray Tracing: X-Ray trace ID now sourced from Context instead of environment variables
• Cargo Resolver: Updated to resolver version 3 with MSRV awareness

Fixed

• Authentication: Resolved auth issue in integration tests
• Worker Isolation: Enhanced worker supervision and error handling for concurrent execution

Infrastructure

• Automated Releases: Added release-plz configuration for automated version management
• Enhanced Testing: Improved RIE (Runtime Interface Emulator) testing with LMI support
• CI Updates: Updated GitHub Actions workflows for new features

Dependencies

• Updated reqwest from 0.12.5 to 0.13.1
• Various npm package updates in examples

Version Updates

Experimental Releases (RC1)

• lambda-runtime: 1.0.2 → 1.1.0-rc1
• lambda-http: 1.0.2 → 1.1.0-rc1

Stable Releases

• lambda-events: 1.0.2 → 1.0.3
• lambda-extension: 1.0.1 → 1.0.2
• lambda-runtime-api-client: 1.0.1 → 1.0.2

Breaking Changes

None. All new features are additive or behind feature flags.

Migration Guide

• Tenant ID: Access via context.tenant_id (optional field, no migration required)
• Concurrent Execution: Enable experimental-concurrency feature and use run_concurrent() instead of run()
• MSRV: Ensure Rust 1.84.0 or later for compilation

Commits

• fix: resolve auth issue by @bnusunny in fix: resolve auth issue #1075
• chore(deps): bump js-toml and cargo-lambda-cdk in /examples/advanced-appconfig-feature-flags/cdk by @dependabot[bot] in chore(deps): bump js-toml and cargo-lambda-cdk in /examples/advanced-appconfig-feature-flags/cdk #1050
• chore(deps): bump js-yaml from 3.14.1 to 3.14.2 in /examples/advanced-appconfig-feature-flags/cdk by @dependabot[bot] in chore(deps): bump js-yaml from 3.14.1 to 3.14.2 in /examples/advanced-appconfig-feature-flags/cdk #1059
• chore(deps): bump js-yaml from 3.14.1 to 3.14.2 in /examples/http-axum/cdk by @dependabot[bot] in chore(deps): bump js-yaml from 3.14.1 to 3.14.2 in /examples/http-axum/cdk #1071
• chore(deps): bump brace-expansion in /examples/advanced-appconfig-feature-flags/cdk by @dependabot[bot] in chore(deps): bump brace-expansion in /examples/advanced-appconfig-feature-flags/cdk #1032
• refactor: update MSRV to 1.84, enable MSRV-aware resolver by @jlizen in refactor: update MSRV to 1.84, enable MSRV-aware resolver #1078
• feat: support Lambda Managed Instances by @alessandrobologna in feat: support Lambda Managed Instances #1067
• chore(deps): update reqwest requirement from 0.12.5 to 0.13.1 by @dependabot[bot] in chore(deps): update reqwest requirement from 0.12.5 to 0.13.1 #1081
• Add tenant-id support by @FullyTyped in Add tenant-id support #1082
• Enable automated releases by @FullyTyped in Enable automated releases #1083
• Bump versions by @FullyTyped in Bump versions #1084

Full Changelog: v1.0.2...v1.1.0-rc1

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This discussion was created from the release [RC1] Lambda Managed Instance + Multi-tenancy support.