Update version info on v3.x README (#465)

README.md

@@ -2,10 +2,12 @@
 
 |Branch|Status|[Runtime Version](https://docs.microsoft.com/azure/azure-functions/functions-versions)|Support level|Node.js Versions|
 |---|---|---|---|---|
-|v3.x|[![Build Status](https://azfunc.visualstudio.com/Azure%20Functions/_apis/build/status/Azure.azure-functions-nodejs-worker?branchName=v3.x)](https://azfunc.visualstudio.com/Azure%20Functions/_build/latest?definitionId=10&branchName=v3.x)|4|Preview|16, 14|
-|v2.x (default)|[![Build Status](https://azfunc.visualstudio.com/Azure%20Functions/_apis/build/status/Azure.azure-functions-nodejs-worker?branchName=v2.x)](https://azfunc.visualstudio.com/Azure%20Functions/_build/latest?definitionId=10&branchName=v2.x)|3|GA (Recommended)|14, 12, 10|
+|v3.x (default)|[![Build Status](https://azfunc.visualstudio.com/Azure%20Functions/_apis/build/status/Azure.azure-functions-nodejs-worker?branchName=v3.x)](https://azfunc.visualstudio.com/Azure%20Functions/_build/latest?definitionId=10&branchName=v3.x)|4|GA (Recommended)|16 (Preview)<sup>1</sup>, 14|
+|v2.x|[![Build Status](https://azfunc.visualstudio.com/Azure%20Functions/_apis/build/status/Azure.azure-functions-nodejs-worker?branchName=v2.x)](https://azfunc.visualstudio.com/Azure%20Functions/_build/latest?definitionId=10&branchName=v2.x)|3|GA|14, 12, 10|
 |v1.x|[![Build Status](https://azfunc.visualstudio.com/Azure%20Functions/_apis/build/status/Azure.azure-functions-nodejs-worker?branchName=v1.x)](https://azfunc.visualstudio.com/Azure%20Functions/_build/latest?definitionId=10&branchName=v1.x)|2|GA (Maintenance mode)|10, 8|
 
+<sup>1</sup> Support coming soon! See [here](https://github.com/Azure/azure-functions-nodejs-worker/issues/455) for more information
+
 > NOTE: The branch corresponds to the _worker_ version, which is intentionally decoupled from the _runtime_ version.
 
 ## Getting Started