--- a/doc/conf.py
+++ b/doc/conf.py
@@ -100,7 +100,8 @@
 # Unless we catch the warning explicitly somewhere, a warning should cause the
 # docs build to fail. This is especially useful for getting rid of deprecated
 # usage in the gallery.
-warnings.filterwarnings('error', append=True)
+# For the debian doc build, do not treat warnings as errors (don't activate "error")
+#warnings.filterwarnings('error', append=True)
 
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
@@ -275,7 +276,7 @@
     'compress_images': ('thumbnails', 'images') if is_release_build else (),
     'doc_module': ('matplotlib', 'mpl_toolkits'),
     'examples_dirs': example_dirs,
-    'filename_pattern': '^((?!sgskip).)*$',
+    'filename_pattern': '^((?!sgskip|3d|3D|axes|random_walk).)*$',
     'gallery_dirs': gallery_dirs,
     'image_scrapers': (matplotlib_reduced_latex_scraper, ),
     'image_srcset': ["2x"],
@@ -291,7 +292,7 @@
     'thumbnail_size': (320, 224),
     'within_subsection_order': gallery_order_subsectionorder,
     'capture_repr': (),
-    'copyfile_regex': r'.*\.rst',
+#    'copyfile_regex': r'.*\.rst',
 }
 
 if parse_version(sphinx_gallery.__version__) >= parse_version('0.17.0'):
@@ -526,7 +527,7 @@
             if matplotlib.__version_info__.releaselevel == 'final'
             else 'dev')
     },
-    "navbar_end": ["theme-switcher", "version-switcher", "mpl_icon_links"],
+    "navbar_end": ["mpl_icon_links"],
     "navbar_persistent": ["search-button"],
     "footer_start": ["copyright", "sphinx-version", "doc_version"],
     # We override the announcement template from pydata-sphinx-theme, where
--- /dev/null
+++ b/galleries/tutorials/README.rst
@@ -0,0 +1,6 @@
+.. _tutorials:
+
+Tutorials
+---------
+
+Example tutorials.
--- /dev/null
+++ b/galleries/users_explain/README.rst
@@ -0,0 +1,5 @@
+.. _users_explain:
+
+==========================
+Explanatory User tutorials
+==========================
--- a/doc/api/toolkits/mplot3d/axes3d.rst
+++ b/doc/api/toolkits/mplot3d/axes3d.rst
@@ -5,23 +5,12 @@
 .. currentmodule:: mpl_toolkits.mplot3d.axes3d
 
 
-.. autoclass:: Axes3D
-   :no-members:
-   :no-undoc-members:
-   :show-inheritance:
-
-
 .. currentmodule:: mpl_toolkits.mplot3d.axes3d.Axes3D
 
 
 Plotting
 --------
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
    plot
    scatter
    bar
@@ -47,11 +36,6 @@
 Text and annotations
 --------------------
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
    text
    text2D
 
@@ -59,22 +43,12 @@
 Clearing
 --------
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
    clear
 
 
 Appearance
 ----------
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
    set_axis_off
    set_axis_on
    grid
@@ -86,11 +60,6 @@
 Axis limits and direction
 ^^^^^^^^^^^^^^^^^^^^^^^^^
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
    get_zaxis
    get_xlim
    set_xlim
@@ -116,11 +85,6 @@
 Axis labels and title
 ^^^^^^^^^^^^^^^^^^^^^
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
    set_zlabel
    get_zlabel
    set_title
@@ -129,11 +93,6 @@
 Axis scales
 ^^^^^^^^^^^
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
    set_xscale
    set_yscale
    set_zscale
@@ -143,11 +102,6 @@
 Autoscaling and margins
 ^^^^^^^^^^^^^^^^^^^^^^^
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
    get_zmargin
    set_zmargin
    margins
@@ -161,11 +115,6 @@
 Aspect ratio
 ^^^^^^^^^^^^
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
    set_aspect
    set_box_aspect
    apply_aspect
@@ -174,11 +123,6 @@
 Ticks
 ^^^^^
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
    tick_params
    set_zticks
    get_zticks
@@ -193,33 +137,18 @@
 Units
 -----
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
    convert_zunits
 
 
 Adding artists
 --------------
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
    add_collection3d
 
 
 Sharing
 -------
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
    sharez
    shareview
 
@@ -227,11 +156,6 @@
 Interactive
 -----------
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
    can_zoom
    can_pan
    disable_mouse_rotation
@@ -244,11 +168,6 @@
 Projection and perspective
 --------------------------
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
    view_init
    set_proj_type
    get_proj
@@ -258,11 +177,6 @@
 Drawing
 -------
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
    draw
    get_tightbbox
 
@@ -270,11 +184,6 @@
 Aliases and deprecated methods
 ------------------------------
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
     set_zlim3d
     stem3D
     text3D
@@ -283,11 +192,6 @@
 Other
 -----
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
    get_axis_position
    add_contour_set
    add_contourf_set
@@ -299,11 +203,6 @@
 Sample 3D data
 --------------
 
-.. autosummary::
-   :toctree: ../../_as_gen
-   :template: autosummary.rst
-   :nosignatures:
-
    axes3d.get_test_data