Create Ionic roadmap for Q4

Signed-off-by: Addisu Z. Taddese <addisu@openrobotics.org>

roadmap.md

@@ -8,37 +8,18 @@ info@openrobotics.org.
 
 ## Quarterly Roadmap
 
-## 2023 Q1 (Jan - Mar) / Q2 (Apr - Jun) - ongoing
-
-* **Out-of-box experience**: Improve end-user experience
-    * [All open tickets](https://github.com/search?q=org%3Agazebosim+label%3A%22OOBE+%F0%9F%93%A6%E2%9C%A8%22&state=open&type=Issues)
-    * [Status](https://github.com/orgs/gazebosim/projects/1?card_filter_query=label%3A%22oobe+%F0%9F%93%A6%E2%9C%A8%22)
-
-* **APIs that ease migration from Gazebo-classic**
-    * Tickets: [gz-sim#325](https://github.com/gazebosim/gz-sim/issues/325), [gz-sim#85](https://github.com/gazebosim/gz-sim/issues/85)
-
-* **Provide infrastructure to generate bindings for gz-msg protos instead of packaging generated code**
-    * Tickets: Part of [gz-sim#494](https://github.com/gazebosim/gz-sim/issues/494), Related to: [gz-sim#36](https://github.com/gazebosim/gz-msgs/issues/36) and [gz-sim#113](https://github.com/gazebosim/gz-msgs/issues/113)
-
-* **Complete Python scripting capability with documentation and examples**
-    * Goals: 
-      * Ability to control simulation from python
-      * Ability to write system "plugins" in python
-      * Using Gazebo in a jupyter notebook
-    * Tickets: Part of [gz-sim#790](https://github.com/gazebosim/gz-sim/issues/790)
-
-## 2023 Q3 (Jul - Sept)
-
-* **Complete Python scripting capability with documentation and examples**
-    * Tickets: Part of [gz-sim#790](https://github.com/gazebosim/gz-sim/issues/790)
-
-* **Improve interoperability with ROS**
-    * Goals:
-      -  Make Joint state publisher work with SDF
-      -  Eliminate the need for having both URDF and SDF files in robot model packages
-      -  Create more documentation around ROS 2 launch and resources (eg. meshes)
-      -  Create a better workflow for creating custom message bridges other than forking the `ros_gz` repo. 
-      -  Events emitted by Gazebo to indicate completion of world/model loading.
+## 2024 Q4 (Oct - Dec)
+
+* **Improve documentation website (gazebosim.org/docs)**
+    * Use a static site generator for the documentation website so that anyone can preview changes made in a PR. (https://github.com/gazebosim/docs/issues/85)
+    * Make doxygen tutorials from each library accessible on the main tutorials page on gazebosim.org/docs (https://github.com/gazebosim/docs/issues/55)
+    * Add new tutorials
+    * Copy/adapt tutorials from https://classic.gazebosim.org/tutorials
+    * Improve existing content
+    * Establish QA checklist for PRs in https://github.com/gazebosim/docs 
+* **Migrate from Qt5 to Qt6**
+* **Define platform dependencies and prepare for the new Ubuntu LTS 24.04 and the interaction with ROS 2 Jazzy.**
+* **Support nested models in Bullet-featherstone gz-physics engine plugin**
 
 ## Feature Roadmap
 
@@ -74,6 +55,8 @@ compatible non-EOL release and propagate the feature forward.
 
 ### Harmonic
 
+### Ionic
+
 See the [Quarterly Roadmap](/docs/all/roadmap#quarterly-roadmap) above.
 
 ## Planned releases