Ecs and Leak fixes

• Fixes a bug with the ECS credentials provider where it would not use the port in the URI
• Fixes a potential memory leak when looping around the mqtt client connect call

Greengrass Client V2 (developer preview)

What's Changed

• NEW: Greengrass Client V2 (developer preview) by @MikeDombo in #266
• IMPROVEMENT: China endpoint support for Greengrass by @jmklix in #198

New Contributors

• @MikeDombo made their first contribution in #266

Full Changelog: v1.8.0...v1.9.0

Support PKCS#11 for mutual TLS on Unix platforms

• NEW: Support PKCS#11 for mutual TLS on Unix platforms
• NEW: New windows_user member on awsiot.greengrasscoreipc.model.RunWithInfo
• BUGFIX: Fix MQTT crash on Windows when Will had empty payload.

Windows client-side TLS keys to be ephemeral

• Transitions Windows client-side TLS to use ephemeral keys

Fix CA override functions

Fixed the issue where "override_default_trust_store" functions did not actually override the system trust store on Linux and Apple platforms.

Add Greengrass APIs for resource management

feat: add greengrass APIs for resource management (#7) (#218)

Co-authored-by: abanthiy <58749232+abanthiy@users.noreply.github.com>

Mac SNI fix

• Fixes an issue where SNI was not being properly performed on Apple systems if a root CA override was provided.

Greengrass IPC client update

• New APIs added to the Greengrass IPC client (#199)

SNI, Pi fixes

• On Windows, always perform an SNI check even with an overridden root CA
• On Windows, properly honor the verify_peer = false option
• Fix instability with raspberry PI and input stream seeking by doing a better job of modeling file seek offset type and size.

Improved proxy support

• Http proxies can now be used with direct mqtt connections, not just websockets
• Samples updated with preferred proxy configuration parameters
• CRT version update
• • Fix bugs with the ECS credentials provider
• • Fix tls context initialization failures due to pem sanitization bug