README.md in ably-1.1.0 vs README.md in ably-1.1.1
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+ new
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# [Ably](https://www.ably.io)
[](http://badge.fury.io/rb/ably)
[](https://coveralls.io/r/ably/ably-ruby)
-A Ruby client library for [ably.io](https://www.ably.io), the realtime messaging service.
+A Ruby client library for [ably.io](https://www.ably.io), the realtime messaging service. This library currently targets the [Ably 1.1 client library specification](https://www.ably.io/documentation/client-lib-development-guide/features/). You can jump to the '[Known Limitations](#known-limitations)' section to see the features this client library does not yet support or [view our client library SDKs feature support matrix](https://www.ably.io/download/sdk-feature-support-matrix) to see the list of all the available features.
## Supported platforms
This SDK supports Ruby 1.9.3+.
We regression-test the SDK against a selection of Ruby versions (which we update over time, but usually consists of mainstream and widely used versions). Please refer to [.travis.yml](./.travis.yml) for the set of versions that currently undergo CI testing.
If you find any compatibility issues, please [do raise an issue](https://github.com/ably/ably-ruby/issues/new) in this repository or [contact Ably customer support](https://support.ably.io/) for advice.
+
+## Known Limitations
+
+This client library is currently *not compatible* with some of the Ably features:
+
+| Feature |
+| :--- |
+| [Custom transportParams](https://www.ably.io/documentation/realtime/connection#client-options) |
## Documentation
Visit https://www.ably.io/documentation for a complete API reference and more examples.