v3.2.0

Changes in this version:

• Upgrade Dr.Jit to v0.4.0
  • Various bug fixes
  • Stability improvements (race conditions, invalid code generation)
  • Removed 4 billion variable limit
• Add missing Python bindings for Shape and ShapePtr bdce950
• Fix Python bindings for Scene 4cd5585
• Fix bug which would break the AD graph in spectral variants f3ac81b
• Parallel scene loading in JIT variants 48c14a7 .. 187da96
• Fix sampling of hg PhaseFunction 10d3514
• Fix envmap updating in JIT variants 7bf132f
• Expose PhaseFunction of Medium objects through mi.traverse() cca5791

v3.1.1

• Fixed maximum limits for OptiX kernel launches a8e698

v3.1.0

New features

• Enable ray tracing against two different scenes in a single kernel df79cb
• Make ShapeGroup traversable and updatable e0871a
• Enable differentiation of to_world in instance 54d2d3
• Enable differentiation of to_world in sphere, rectangle, disk and cylinder f5dbed .. b5d8c
• Enable differentiation of to_world in perspective and thinlens ef9f55 .. ea513f
• Add BSDF::eval_diffuse_reflectance() to most BSDF plugins 59af88
• Add mi.OptixDenoiser class for simple denoising in Python 13234 .. 55293
• envmap plugin can be constructed from mi.Bitmap object 9389c8

Other improvements

• Major performance improvements in cuda_* variants with new version of Dr.Jit
• Deprecated samples_per_pass parameter 8ba85
• Fix rendering progress bar on Windows d8db80
• obj file parsing performance improvements on Windows 28660f
• Fix mi.luminance() for monochromatic modes 61b95
• Add bindings for PluginManager.create_object() 4ebf70
• Fix SceneParameters.update() unnecessary hash computation f57e74
• Fix numerical instabilities with box filter splatting 2d8976
• Improve math::bisect algorithm 7ca09a
• Fix syntax highlighting in documentation and tutorials 5aa271
• Fix Optimizer.set_learning_rate for int values 53143d
• Various minor improvements to the Python typing stub generation b7ef349 .. ad72a53
• Minor improvements to the documentation
• Various other minor fixes

v3.0.2

Changes in this patch:

• Change behavior of <spectrum ..> and <rgb ..> tag at scene loading for better consistency between *_rgb and *_spectral variants [f883834]
• Polarization fixes [2709889], [06c2960]
• Add PyTorch/Mitsuba interoperability tutorial using dr.wrap_ad()
• Fix DLL loading crash when working with Mitsuba and PyTorch in Python [59d7b35]
• Fix crash when evaluating Mitsuba ray tracing kernel from another thread in cuda mode. [cd0846f]
• Add stubs for Float, ScalarFloat and other builtin types [8249179]
• Plugins regular and blackbody have renamed parameters: wavelength_min, wavelength_max (previously lambda_min, lambda_max) [9d3487c]
• Dr.Jit Python stubs are generated during local builds [4302caa8]
• Minor improvements to the documentation
• Various other minor fixes

v3.0.1

Changes in this patch:

• Various minor fixes in documentation
• Added experimental batch sensor plugin [0986152]
• Fix LD sampler for JIT modes [98a8ecb]
• Prevent rebuilding of kernels for each sensor in an optimization [152352f]
• Fix direction convention in tabphase plugin [49e40ba]
• Create TLS module lookup cache for new threads [6f62749]

Initial Release (v3.0.0)

This is the first public release of Mitsuba 3.