Update the README file

Author: Cito

README.md

@@ -14,8 +14,8 @@ An extensive test suite with over 2300 unit tests and 100% coverage comprises a
 replication of the complete test suite of GraphQL.js, making sure this port is
 reliable and compatible with GraphQL.js.
 
-The current stable version 3.2.3 of GraphQL-core is up-to-date with GraphQL.js
-version 16.6.0 and supports Python version 3.7 and newer.
+The current stable version 3.2.4 of GraphQL-core is up-to-date with GraphQL.js
+version 16.8.2 and supports Python version 3.6 to 3.12.
 
 You can also try out the latest alpha version 3.3.0a6 of GraphQL-core
 which is up-to-date with GraphQL.js version 17.0.0a2.
@@ -208,6 +208,10 @@ Some restrictions (mostly in line with the design goals):
 * supports asynchronous operations only via async.io
   (does not support the additional executors in GraphQL-core)
 
+Note that meanwhile we are using the amazing [ruff](https://docs.astral.sh/ruff/) tool
+to both format and check the code of GraphQL-core 3,
+in addition to using [mypy](https://mypy-lang.org/) as type checker.
+
 
 ## Integration with other libraries and roadmap
 
@@ -217,14 +221,12 @@ Some restrictions (mostly in line with the design goals):
   also been created by Syrus Akbary, who meanwhile has handed over the maintenance
   and future development to members of the GraphQL-Python community.
 
-  The current version 2 of Graphene is using Graphql-core 2 as core library for much of
-  the heavy lifting. Note that Graphene 2 is not compatible with GraphQL-core 3.
-  The  new version 3 of Graphene will use GraphQL-core 3 instead of GraphQL-core 2.
+  Graphene 3 is now using Graphql-core 3 as core library for much of the heavy lifting.
 
 * [Ariadne](https://github.com/mirumee/ariadne) is a Python library for implementing
   GraphQL servers using schema-first approach created by Mirumee Software.
 
-  Ariadne is already using GraphQL-core 3 as its GraphQL implementation.
+  Ariadne is also using GraphQL-core 3 as its GraphQL implementation.
 
 * [Strawberry](https://github.com/strawberry-graphql/strawberry), created by Patrick
   Arminio, is a new GraphQL library for Python 3, inspired by dataclasses,
@@ -240,6 +242,7 @@ Changes are tracked as
 ## Credits and history
 
 The GraphQL-core 3 library
+
 * has been created and is maintained by Christoph Zwerschke
 * uses ideas and code from GraphQL-core 2, a prior work by Syrus Akbary
 * is a Python port of GraphQL.js which has been developed by Lee Byron and others