-@warning <b>S4U is not as rock stable as the rest of SimGrid yet</b>.
- You are really welcome to test it, but be warned that the API
- may change without notice between releases. This is however
- the way to go if you want to create a new long-term project.
- If you want to play safe, proceed to @ref MSG_API instead.
+@warning <b>S4U is still evolving: v3.18 is a beta release</b>. You
+ are really welcome to test it, but this API may change
+ between releases. This is however the way to go if you want
+ to create a new long-term project. If you want to play safe,
+ proceed to deprecated @ref MSG_API instead.