diff --git a/specification/index.rst b/specification/index.rst
index 67d17a114..37c6d6827 100644
--- a/specification/index.rst
+++ b/specification/index.rst
@@ -50,13 +50,34 @@ one of the above APIs.
The `Matrix Client-Server API Swagger Viewer `_
is useful for browsing the Client-Server API.
+
+Matrix versions
+~~~~~~~~~~~~~~~
+
+.. Note::
+ As of June 10th 2019, the Matrix specification is considered out of beta -
+ indicating that all currently released APIs are considered stable and secure
+ to the best of our knowledge, and the spec should contain the complete
+ information necessary to develop production-grade implementations of Matrix
+ without the need for external reference.
+
+Matrix 1.0 (released June 10th, 2019) consists of the following minimum API
+versions:
+
+======================= =======
+API/Specification Version
+======================= =======
+Client-Server API r0.5.0
+Server-Server API r0.1.2
+Application Service API r0.1.1
+Identity Service API r0.1.1
+Push Gateway API r0.1.0
+Room Version v5
+======================= =======
+
+
Introduction to the Matrix APIs
-------------------------------
-.. Note::
- The Matrix specification is currently at version 1.0 - a milestone indicating that
- anything built on top of Matrix can safely rely on the APIs in the specification
- not changing drastically. The specification continues to evolve, however, mirroring
- something similar to WHATWG's `Living Standard `_.
Matrix is a set of open APIs for open-federated Instant Messaging (IM), Voice
over IP (VoIP) and Internet of Things (IoT) communication, designed to create