Merge topic 'update-to-v9.3.0.rc2' into release

c110f89c Documentation: collate 9.3.0.rc2 release notes

Acked-by: Kitware Robot <kwrobot@kitware.com>
Tested-by: buildbot <buildbot@kitware.com>
Reviewed-by: Ben Boeckel <ben.boeckel@kitware.com>
Merge-request: !10649

Documentation/release/9.3.md

@@ -141,6 +141,8 @@ Changes made since VTK 9.2.0 include the following.
 - VTK's vendored `zlib` library has been updated to 1.2.13.
 - VTK's vendored `fmt` library has been updated to 9.1.0.
 - VTK's vendored `ioss` library has been updated to the 2022-10-14 release.
+- VTK's vendored `libtiff` library has been updated to 4.6.0. The new version
+  fixes a number of CVEs.
 - VTK's vendored `netcdf` library has been updated to 4.9.2.
 - VTK's vendored `mpi4py` library has been updated to 3.1.4.
 - VTK's vendored `expat` library has been updated to 2.4.8.
@@ -334,7 +336,7 @@ Changes made since VTK 9.2.0 include the following.
 - Improved performance of `vtkUnstructuredGrid`'s `IsCellBoundary`/`GetCellNeighbors` methods.
 - Improved stability of `vtkCellLocator::FindClosestPointWithinRadius`.
 
-[add-vtkImplicitArrays]: https://gitlab.kitware.com/vtk/vtk/-/blob/v9.2.0.rc2/Documentation/release/dev/add-vtkImplicitArrays.md
+[add-vtkImplicitArrays]: https://gitlab.kitware.com/vtk/vtk/-/blob/722365c58bbe829014a6272cf2f55364d68fb0b6/Documentation/release/dev/add-vtkImplicitArrays.md
 
 [](#new-features-documentation)
 ### Documentation
@@ -659,6 +661,13 @@ Changes made since VTK 9.2.0 include the following.
 
     print(unpickled)
     ```
+- Python 3.12 wheels are now provided for the following platforms:
+  - Linux x86\_64
+  - Linux x86\_64 (with OSMesa)
+  - macOS x86\_64
+  - macOS arm64
+  - Windows x86\_64
+  - Windows x86\_64 (with OSMesa)
 
 [](#new-features-qt)
 ### Qt
@@ -738,6 +747,10 @@ Changes made since VTK 9.2.0 include the following.
     `SetPolarArcResolutionPerDegree`, default is 0.2.
   - Text offsets are now customizable with `SetPolarTitleOffset`,
     `SetRadialTitleOffset`, `SetPolarLabelOffset` and `SetPolarExponentOffset`.
+- `vtkMultiVolume` now supports RGBA volume inputs in a similar way to the
+  existing single-input volume rendering. When turning off the
+  `IndependentComponent` flag of the `vtkVolumeProperty` and providing
+  4-components to the mapper values are interpreted as RGBA.
 - Added new gradient background modes. You can select from various gradient
   background modes with `vtkViewport::SetGradientMode`. The following modes are available:
   - `VTK_GRADIENT_VERTICAL`

Documentation/release/dev/ci-python-3.12.md

-## Python 3.12
-
-Python 3.12 wheels are now provided for the following platforms:
-
-- Linux x86\_64
-- Linux x86\_64 (with OSMesa)
-- macOS x86\_64
-- macOS arm64
-- Windows x86\_64
-- Windows x86\_64 (with OSMesa)

Documentation/release/dev/improve-vtkMultiVolume-with-RGBA-support.md

-# Add support for RGBA inputs in vtkMultiVolume
-
-vtkMultiVolume now supports RGBA volume inputs in a similar way to the existing single-input
-volume rendering. When turning off the IndependentComponent flag of the vtkVolumeProperty while
-providing 4-components inputs to the mapper, the first three components are interpreted as RGB
-colors and are not mapped through the color tranfer function. The fourth component is mapped
-through the scalar opacity function.

Documentation/release/dev/update-libtiff.md

-## Update libtiff to version 4.6.0
-
-The new version fixes a number of CVEs.
-See also vtk/vtk#19142.