ros2 · mergify · Aug 20, 2026
diff --git a/source/Concepts/Basic/About-Launch.rst b/source/Concepts/Basic/About-Launch.rst
@@ -1,5 +1,21 @@
+<<<<<<< HEAD:source/Concepts/Basic/About-Launch.rst
 Launch
 ======
+=======
+.. redirect-from::
+
+    Concepts/Basic/About-Launch
+
+Node management
+===============
+.. toctree::
+   :maxdepth: 1
+   :hidden:
+
+   Launch/Launch-Main
+   Launch/Launching-composable-nodes
+   Launch/Launch-file-different-formats
+>>>>>>> d464345 (3di | TOC update - align main toc titles with About ROS article (#7074)):source/Developer-Tools/About-Launch.rst
 
 .. contents:: Table of Contents
    :local:

diff --git a/source/Developer-Tools.rst b/source/Developer-Tools.rst
@@ -0,0 +1,16 @@
+Tools
+=====
+
+
+Coming Soon
+
+.. toctree::
+   :maxdepth: 3
+
+   Developer-Tools/About-introspection-and-analysis
+   Developer-Tools/About-Launch
+   Developer-Tools/About-Debugging
+   Developer-Tools/About-Build
+   Developer-Tools/About-visualization
+   Developer-Tools/About-package-documentation
+   Developer-Tools/About-testing
diff --git a/source/Developer-Tools/About-Build.rst b/source/Developer-Tools/About-Build.rst
@@ -0,0 +1,31 @@
+Builds
+========
+
+Coming Soon
+
+.. toctree::
+   :maxdepth: 3
+
+   Build/About-Cross-Compilation
+   Build/About-Build-System
+   Build/Deployment-Guidelines/Deployment-Guidelines
+   Build/The-Keystore
+   Build/Using-Xacro-to-Clean-Up-a-URDF-File/Using-Xacro-to-Clean-Up-a-URDF-File
+   Build/Supplementing-Custom-Rosdep-Keys
+   Build/Ament-Lint-For-Clean-Code
+   Build/Eclipse-Oxygen-with-ROS-2-and-rviz2/Eclipse-Oxygen-with-ROS-2-and-rviz2
+   Build/Ament-CMake-Documentation
+   Build/Ament-CMake-Python-Documentation
+   Build/Building-a-Custom-Deb-Package
+   Build/Run-2-nodes-in-single-or-separate-docker-containers
+   Build/Setup-ROS-2-with-VSCode-and-Docker-Container
+   Build/Core-maintainer-guide
+   Build/DDS-tuning
+   Build/Using-Variants
+   Build/Package-Docs
+   Build/Using-Python-Packages
+   Build/Developing-a-ROS-2-Package
+   Build/Releasing/Releasing-a-Package
+   Build/Building-Realtime-rt_preempt-kernel-for-ROS-2/Building-Realtime-rt_preempt-kernel-for-ROS-2
+   Build/Building-ROS2-Package-with-eclipse-2021-06/Building-ROS2-Package-with-eclipse-2021-06
+   Build/Single-Package-Define-And-Use-Interface
diff --git a/source/How-To-Guides/Using-Custom-Rosdistro.rst b/source/How-To-Guides/Using-Custom-Rosdistro.rst
@@ -1,4 +1,12 @@
+<<<<<<< HEAD:source/How-To-Guides/Using-Custom-Rosdistro.rst
 Using Custom Rosdistro Version
+=======
+.. redirect-from::
+
+    How-To-Guides/Using-Custom-Rosdistro
+
+Using custom rosdistro version
+>>>>>>> d464345 (3di | TOC update - align main toc titles with About ROS article (#7074)):source/Migration-and-Upgrades/Using-Custom-Rosdistro.rst
 ==============================
 
 

diff --git a/source/Integrations-and-related.rst b/source/Integrations-and-related.rst
@@ -0,0 +1,13 @@
+
+Integrations
+============
+
+Coming Soon
+
+.. toctree::
+   :hidden:
+   :glob:
+
+   Integrations-and-related/Simulators/Simulation-Main
+   Integrations-and-related/Deploying-ROS-2-on-IBM-Cloud
+   Integrations-and-related/Related-Projects
diff --git a/source/Migration-and-Upgrades.rst b/source/Migration-and-Upgrades.rst
@@ -0,0 +1,12 @@
+Migration and upgrades
+======================
+
+Coming Soon
+
+.. toctree::
+   :hidden:
+   :glob:
+
+   Migration-and-Upgrades/Migrating-from-ROS1
+   Migration-and-Upgrades/Using-ros1_bridge-Jammy-upstream
+   Migration-and-Upgrades/Using-Custom-Rosdistro
diff --git a/source/ROS-Framework.rst b/source/ROS-Framework.rst
@@ -0,0 +1,15 @@
+
+
+Framework
+=========
+
+Coming Soon
+
+.. toctree::
+   :maxdepth: 3
+
+   ROS-Framework/How-ROS-Works
+   ROS-Framework/About-Nodes
+   ROS-Framework/Interfaces-Topics-Services-Actions
+   ROS-Framework/About-Parameters
+   ROS-Framework/About-Client-Libraries
diff --git a/source/Related-Projects.rst b/source/Related-Projects.rst
@@ -1,5 +1,5 @@
 
-Related Projects
+Related projects
 ================
 
 Gazebo

diff --git a/source/The-ROS2-Project.rst b/source/The-ROS2-Project.rst
@@ -1,5 +1,10 @@
+<<<<<<< HEAD
 The ROS 2 Project
 =================
+=======
+Community
+=========
+>>>>>>> d464345 (3di | TOC update - align main toc titles with About ROS article (#7074))
 
 Check out the resources below to learn more about the advancement of the ROS 2 project.
 

diff --git a/source/The-ROS2-Project/Adopters.rst b/source/The-ROS2-Project/Adopters.rst
@@ -2,7 +2,7 @@
 
   The-ROS2-Project/Adopters/Adopters
 
-ROS 2 Adopters
+ROS 2 adopters
 ==============
 
 This page showcases organizations and projects using ROS in any capacity.

diff --git a/source/The-ROS2-Project/Feature-Ideas.rst b/source/The-ROS2-Project/Feature-Ideas.rst
@@ -4,7 +4,7 @@
 
 .. _FeatureIdeas:
 
-Feature Ideas
+Feature ideas
 =============
 
 .. contents:: Table of Contents

diff --git a/source/The-ROS2-Project/Features.rst b/source/The-ROS2-Project/Features.rst
@@ -4,7 +4,7 @@
 
 .. _Features:
 
-Features Status
+Features status
 ===============
 
 The features listed below are available in the current ROS 2 release.

diff --git a/source/The-ROS2-Project/Governance.rst b/source/The-ROS2-Project/Governance.rst
@@ -4,7 +4,7 @@
 
 .. _Governance:
 
-Project Governance
+Project governance
 ==================
 
 .. contents:: Table of Contents

diff --git a/source/The-ROS2-Project/Platform-EOL-Policy.rst b/source/The-ROS2-Project/Platform-EOL-Policy.rst
@@ -1,6 +1,6 @@
 .. _PlatformEOLPolicy:
 
-Platform EOL Policy
+Platform EOL policy
 ===================
 
 .. contents:: Table of Contents

diff --git a/source/The-ROS2-Project/Platform-Support-Tiers.rst b/source/The-ROS2-Project/Platform-Support-Tiers.rst
@@ -1,4 +1,4 @@
-Platform Support Tiers
+Platform support tiers
 ======================
 
 Platforms are defined as a combination of the OS, the architecture, and the RMW implementation.

diff --git a/source/The-ROS2-Project/ROSCon-Content.rst b/source/The-ROS2-Project/ROSCon-Content.rst
@@ -4,7 +4,7 @@
 
 .. _ROSCon:
 
-ROSCon Talks
+ROSCon talks
 ============
 
 The following `ROSCon <https://roscon.ros.org>`__ talks have been given on ROS 2 and provide information about the workings of ROS 2 and various demos:

diff --git a/source/The-ROS2-Project/Release-Schedule.rst b/source/The-ROS2-Project/Release-Schedule.rst
@@ -1,4 +1,4 @@
-Release Schedule
+Release schedule
 ================
 
 Frequency

diff --git a/source/index.rst b/source/index.rst
@@ -10,12 +10,22 @@ ROS 2 Documentation
    :maxdepth: 1
    :hidden:
 
+<<<<<<< HEAD
    About-ROS
    Installation
    Releases
    Tutorials
    How-To-Guides
    Concepts
+=======
+   Get-Started
+   ROS-Framework
+   Developer-Tools
+   Capabilities
+   Integrations-and-related
+   Migration-and-Upgrades
+   The-ROS2-Project
+>>>>>>> d464345 (3di | TOC update - align main toc titles with About ROS article (#7074))
    Contact
    The-ROS2-Project
    Package-Docs