Updated README.md

README.md

@@ -15,6 +15,12 @@ Balsa is owned and published by WSP Canada's Systems Analytics for Policy group.
 
 Balsa is compatible with Python 2.7 and 3.5+
 
+## Current Status
+
+*Version 1.0* is the latest release of balsa.
+
+**For TRESO users:** TRESO is only compatible with the [`v0.5.0`](https://github.com/wsp-sag/balsa/tree/v0.5.0) release of balsa.
+
 ## Installation
 
 ### With `pip`
@@ -52,4 +58,4 @@ The following code block provides the commands to install Balsa using Conda.
 
 ## Documentation
 
-HTML documentation is available upon request. 
+HTML documentation is available upon request.