global: update README
(closes
@@ -46,6 +46,10 @@ world such as:
.. warning::
- **WORK IN PROGRESS** This documentation and Invenio v3 is still under
- development. We expect the first stable release of Invenio v3 and this
- documentation by end-June 2017.
+ **WORK IN PROGRESS** Invenio v3.0 Release Candidate 1 was released on
+ April 23, 2018. We expect a final release of Invenio v3.0 by end-May
+ 2018 after the next Invenio sprint (May 14-25). The missing parts
+ include this general documentation, site templates and an update of
+ the main website. All the indivdual packages (code and documentation)
+ that make up Invenio v3.0 have already been released in stable v1.0
+ versions.
