add basic changelog for docs

(cherry picked from commit b4fdd2b1207eb1f2d4065d43b373715c37cdf498)

about/docs_changelog.rst

@@ -0,0 +1,130 @@
+.. _doc_docs_changelog:
+
+Documentation changelog
+=======================
+
+The documentation is continually being improved. The release of version 3.1
+includes many new tutorials, many fixes and updates for old tutorials, and many updates
+to the class reference. Below is a list of new tutorials added since version 3.0.
+
+.. note:: This document only contains new tutorials so not all changes are reflected, 
+          many tutorials have been substantially updated but are not reflected in this document.
+
+New tutorials since version 3.0
+-------------------------------
+
+Step-by-step
+^^^^^^^^^^^^
+
+- :ref:`Signals <doc_signals>`
+- :ref:`Exporting <doc_exporting>`
+
+Project workflow
+^^^^^^^^^^^^^^^^
+Best Practices:
+  - :ref:`Introduction <doc_introduction_best_practices>`
+  - :ref:`What are Godot classes <doc_what_are_godot_classes>`
+  - :ref:`Scene organization <doc_scene_organization>`
+  - :ref:`Scenes versus scripts <doc_scenes_versus_scripts>`
+  - :ref:`Autoloads versus internal nodes <doc_autoloads_versus_internal_nodes>`
+  - :ref:`Node alternatives <doc_node_alternatives>`
+  - :ref:`Godot interfaces <doc_godot_interfaces>`
+  - :ref:`Godot notifications <doc_godot_notifications>`
+  - :ref:`Data preferences <doc_data_preferences>`
+  - :ref:`Logic preferences <doc_logic_preferences>`
+
+Scripting
+^^^^^^^^^
+
+- :ref:`Typed GDscript <doc_gdscript_static_typing>`
+
+2D
+^^
+
+- :ref:`2D lights and shadows <doc_2d_lights_and_shadows>`
+- :ref:`2D meshes <doc_2d_meshes>`
+
+3D
+^^
+ 
+- :ref:`CSG <doc_csg_tools>`
+- :ref:`Animating thousands of fish with MultiMesh <doc_animating_thousands_of_fish>`
+- :ref:`Controlling thousands of fish with Particles <doc_controlling_thousands_of_fish>`
+
+Physics
+^^^^^^^
+
+- :ref:`Ragdoll system <doc_ragdoll_system>`
+- :ref:`Softbody <doc_soft_body>`
+
+Animation
+^^^^^^^^^
+
+- :ref:`2D skeletons <doc_2d_skeletons>`
+- :ref:`AnimationTree <doc_animation_tree>`
+
+Viewports
+^^^^^^^^^
+
+- :ref:`Using a Viewport as a texture <doc_viewport_as_texture>`
+- :ref:`Custom post-processing <doc_custom_postprocessing>`
+
+Shading
+^^^^^^^
+
+- :ref:`Intro to shaders: 2D and 3D water (7 video tutorials) <doc_intro_to_shaders_water_workshop>`
+- :ref:`Migrating to Godot’s shading language <doc_migrating_to_godot_shader_language>`
+- :ref:`Vertex displacement with shaders <doc_vertex_displacement_with_shaders>`
+- :ref:`Advanced post-processing <doc_advanced_postprocessing>`
+
+Shading Reference:
+  - :ref:`Shaders <doc_shaders>`
+  - :ref:`Shading language <doc_shading_language>`
+  - :ref:`Spatial shaders <doc_spatial_shader>`
+  - :ref:`CanvasItem shaders <doc_canvas_item_shader>`
+  - :ref:`Particles shaders <doc_particle_shader>`
+
+VR
+^^
+
+- :ref:`VR starter tutorial <doc_vr_starter_tutorial>`
+
+Platform-specific
+^^^^^^^^^^^^^^^^^
+
+- :ref:`Customizing the Web export HTML page <doc_customizing_html5_shell>`
+
+Multi-threading
+^^^^^^^^^^^^^^^
+
+- :ref:`Thread safe APIs <doc_thread_safe_apis>`
+
+Miscellaneous
+^^^^^^^^^^^^^
+
+- :ref:`Fixing jitter and stutter <doc_jitter_stutter>`
+- :ref:`Running code in the editor <doc_running_code_in_the_editor>`
+- :ref:`Change scenes manually <doc_change_scenes_manually>`
+- :ref:`Differences between GLES2 and GLES3 <doc_gles2_gles3_differences>`
+
+Compiling
+^^^^^^^^^
+
+- :ref:`Optimizing a build for size <doc_optimizing_for_size>`
+- :ref:`Compiling with script encryption key <doc_compiling_with_script_encryption_key>`
+
+Engine development
+^^^^^^^^^^^^^^^^^^
+
+- :ref:`Binding to external libraries <doc_binding_to_external_libraries>`
+
+Creating content
+^^^^^^^^^^^^^^^^
+
+- :ref:`Making trees <doc_making_trees>`
+
+Plugins
+^^^^^^^
+
+- :ref:`Making main screen plugins <doc_making_main_screen_plugins>`
+- :ref:`Spatial gizmo plugins <doc_spatial_gizmo_plugins>`

about/index.rst

@@ -7,6 +7,7 @@ About
 
    introduction
    faq
+   docs_changelog
 
 .. history
 .. authors