no bug here, just a suggestion : when breaking interfaces please create a major version

[paulborile]

Problem Statement

#894 broke Transport interface (by adding Close() )

Solution Brainstorm

when breaking interfaces please create a major version

[cleptric]

The SDK is still versioned as 0.X.X, hence breaking changes might happen at any time, which is in accordance with SemVer.
However, we should have at least called it out in the changelog.