version adjustment

README.md

@@ -1,7 +1,7 @@
 # CARTA Controller
 
-[![carta version](https://img.shields.io/badge/CARTA%20Version-3.0.0--beta.3-brightgreen)](https://github.com/CARTAvis/carta-backend/releases/tag/v3.0.0-beta.3)
-[![npm version](https://img.shields.io/npm/v/carta-controller/beta.svg?style=flat)](https://npmjs.org/package/carta-controller "View this project on npm")
+[![carta version](https://img.shields.io/badge/CARTA%20Version-4.0.0--rc.0-brightgreen)](https://github.com/CARTAvis/carta-backend/releases/tag/v4.0.0-rc.0)
+[![npm version](https://img.shields.io/npm/v/carta-controller/rc.svg?style=flat)](https://npmjs.org/package/carta-controller "View this project on npm")
 ![last commit](https://img.shields.io/github/last-commit/CARTAvis/carta-controller)
 ![commit activity](https://img.shields.io/github/commit-activity/m/CARTAvis/carta-controller)
 

docs/src/conf.py

@@ -22,7 +22,7 @@
 author = 'Angus Comrie, Adrianna Pińska and Robert Simmonds'
 
 # The full version, including alpha/beta/rc tags
-release = '4.0.0-beta.1'
+release = '4.0.0-rc.0'
 
 
 # -- General configuration ---------------------------------------------------