View source for LuxCoreRender Release Notes v2.1

=LuxCore=

===New Features===

* [https://forums.luxcorerender.org/viewtopic.php?f=5&t=220 Denoiser]
* Updated to VisualStudio C++ 2017

''Alpha0 released''

* Updated to Boost v1.67
* Updated to OpenImageIO v1.8.11
* Updated to OpenEXR v2.2.0
* Updated to Embree v3.2.0

''Alpha1 released''

* [https://forums.luxcorerender.org/viewtopic.php?f=5&t=430 Direct Light Sampling Cache (CPU version)]

''Alpha2 released''<br>
''Alpha3 released''

* Reworked the film of CPU engines to be shared among threads instead of copied, reducing memory usage of CPU engines (see [https://github.com/LuxCoreRender/BlendLuxCore/issues/151#issuecomment-412856800 this issue])
* Added the support for a new Film output: SERIALIZED_FILM
* Added the support for a new AOV: MATERIAL_ID_COLOR
* New hair conversion function for the Blender addon, accelerates export and lowers memory usage drastically
* OpenCL render engines now support Direct Light Sampling Cache
''Alpha4 released''

===Fixed Bugs===

* Fixed few errors in pyluxcoretools

''Alpha0 released''

* Fixed infinite lights emission for BIDIRCPU/LIGTHCPU
* Normal mesh now have a local space like instanced mesh (for animation and procedural textures)

''Alpha1 released''<br>
''Alpha2 released''

* Fixed a problem when using many layers of transparent object (https://github.com/LuxCoreRender/LuxCore/issues/124)

''Alpha3 released''

* Periodic saves now update the files at the end of a rendering session

''Alpha4 released''

* Fixed a bug in OpenCL Bloom plugin

===Known Problems===

* [https://github.com/LuxCoreRender/LuxCore/issues/103 LuxCore API requires latin locale]
* [https://github.com/LuxCoreRender/LuxCore/issues/2 accelerator.bvh.builder.type = EMBREE_MORTON doesn't work with the latest Embree]
* [https://github.com/LuxCoreRender/LuxCore/issues/29 Python crashes when calling sys.exit()]
* [https://github.com/LuxCoreRender/LuxCore/issues/124 TILEPATHOCL (and RTPATHOCL) count the layers of transparent surfaces as an iteration of the rendering fines state machine so they requires to increase the max. path depth to avoid black regions.]

=Blender Addon (BlendLuxCore)=

===New features===

''Alpha0 released''

* [https://github.com/LuxCoreRender/BlendLuxCore/commit/7462f6ed0efbc9809fd78cdaa0635dde20653d9f Show a label in the UI if OpenCL engine is selected in build without OpenCL support]
* [https://github.com/LuxCoreRender/BlendLuxCore/commit/321e330e2adaebf466423c593fbc5b9574c5785b Allow random sampler to be used with Bidir (for better denoising results), show a warning if Metropolis is combined with the denoiser]
* [https://github.com/LuxCoreRender/BlendLuxCore/commit/d84e439090b76616756872bfac4671663e21413d Do not create a lightgroup pass if only the default lightgroup is used]
* [https://github.com/LuxCoreRender/BlendLuxCore/commit/d13cc59dcf1b24dcecf33b573f740bc744a08840 Add operator to import multiple images at once (node editor), restructure node categories]
* [https://github.com/LuxCoreRender/BlendLuxCore/commit/49b66f7d2969419fc5c3a271d0b00b5cb85e2b60 Make LuxCore nodes work with reroutes]
* [https://github.com/LuxCoreRender/BlendLuxCore/commit/1de72035ed76c6343e44cef90368e02d3ec40283 Add support for smoke velocity channel]
* [https://github.com/LuxCoreRender/BlendLuxCore/commit/eb059f09216abb3956972606078da3c28f6b18df Add lightgroup support for volumes]
* [https://github.com/LuxCoreRender/BlendLuxCore/commit/6dbc6acce2de688988f44da1c8782afdb9b52e1f New invert texture node]
* [https://github.com/LuxCoreRender/BlendLuxCore/issues/39 Support for mesh auto smooth option]
* [https://github.com/LuxCoreRender/BlendLuxCore/issues/21 Tile highlighting]
* [https://github.com/LuxCoreRender/BlendLuxCore/issues/169 Pause mode] [https://youtu.be/aw5E9B_jMww '''(Video)''']

''Alpha1 released''

* [https://forums.luxcorerender.org/viewtopic.php?f=5&t=9&p=4476#p4476 Implement support for RTPATHOCL (GPU rendering) in viewport render]

''Alpha2 released''

* Show a warning if the scene contains a lot of light sources
* Expose direct light type property of triangle meshes
* New render statistics panel in the image editor toolshelf (LuxCore category), provides in-depth render information with option to compare two render slots
* Add support for image sequences
* Improved export process and viewport render updates

''Alpha3 released''

* Remove min/max limits of world HDRI rotation
* [https://github.com/LuxCoreRender/BlendLuxCore/commit/f0fb21391f6dcb8dbbac6fdc91ddaea1275d9f6b If pyluxcore import fails, show the most common error source in the error message]
* In world sky light settings, the dropdown for the linked sun light now shows only sun lamps as available options
* Improved hair export (faster and drastically reduced memory usage), improved UI and descriptions of hair settings
* Can now define hair UVs without creating vertex colors (this saves memory)
* Can now interpolate vertex colors over each hair (user can specify root and tip colors)
* Can now input RGB/HSV values into the constant color texture UI (without having to click on the color property)
* Node editor: When a new link is about to replace an old link, reconnect the old link to another suitable socket on the same node, if possible
* Node editor: Submenu for frame and reroute nodes (in node add menu that is brought up with Shift+A)
* Node editor: Various small node UI improvements (better default width, more compact UI, better readable UI)

''Alpha4 released''

===Fixed Bugs===

''Alpha0 released''

* [https://github.com/LuxCoreRender/BlendLuxCore/commit/f8f83b70abaa575e3f4dd0eeb54c0b252dba5dcd Fix incorrect halt condition check]
* [https://github.com/LuxCoreRender/BlendLuxCore/commit/0d63f067af2b1a0232cfd49b8fe3cd313625f46e Fix exception when updating light attributes from Python console]
* [https://github.com/LuxCoreRender/BlendLuxCore/issues/152 Unsaved generated images do not work as imagemap textures]
* [https://github.com/LuxCoreRender/BlendLuxCore/commit/432b1ba020b07f46758fd19b4b3af91cca0c90ff Fix ColorMix node having min/max sockets instead of scalars in clamp mode]
* [https://github.com/LuxCoreRender/BlendLuxCore/commit/c908acbbe991d7ace8ec8ba15e3ef32f06ec5000 Fix broken material preview]
* [https://github.com/LuxCoreRender/BlendLuxCore/commit/fff2d4ee2fcab39a67fe534634929ff26d363a79 Fix backface sockets being visible by default]
* [https://github.com/LuxCoreRender/BlendLuxCore/issues/157 Blender interface lags a lot when rendering large resolutions]
* [https://github.com/LuxCoreRender/BlendLuxCore/commit/c51cb8bdea78fd7202b99547ac4ea1ef364207c9 Fix some errors if no there is no world]
* [https://github.com/LuxCoreRender/BlendLuxCore/commit/c1e925b0557c03d1c9247561265250d93c1f555e Fix various bugs in world update logic when deleting/switching worlds]
* [https://github.com/LuxCoreRender/BlendLuxCore/commit/a11234c94b4a8579df5bb387898aba31e716a421 Fix hair export creating orphaned mesh data, improve hair export performance]

''Alpha1 released''

* Fix float overflow after rendering more than 17 hours (regression introduced in v2.1alpha1)
* Fix unit scale (aka worldscale) not being applied in some places
* [https://github.com/LuxCoreRender/BlendLuxCore/commit/ac6ed671d730e2cf0343d36d6d17a8b4972d1d98 Fix for 'Orthographic camera in final render does not match 3D view']

''Alpha2 released''

* [https://github.com/LuxCoreRender/BlendLuxCore/issues/196 Fix DOF with object as target does not work as expected]

''Alpha3 released''

* Fix gamma and gain parameters of imagemap texture, they are scalars instead of sockets
* Fix statistics being overwritten when render slot is switched during final render
* [https://github.com/LuxCoreRender/BlendLuxCore/commit/672d8c195205dbd5f7f767620ba9cf7ad69630ea Use same precision for world and light gain]
* [https://github.com/LuxCoreRender/BlendLuxCore/issues/211 Fix broken default material ID assignment]
* [https://github.com/LuxCoreRender/BlendLuxCore/issues/210 Fix shape keys not being applied in some cases]
* [https://github.com/LuxCoreRender/BlendLuxCore/issues/213 Use vertex color layer marked for render, instead of active layer]
* Fix smoke export not working if smoke modifier was not named "smoke"
* Export group instances as LuxCore instances
* Fix export of lights in particle systems

''Alpha4 released''

* Tiled Path engine: Limit AA samples to 1 if denoiser is enabled to fix wrong brightness in denoised image

===Known problems===

* [https://github.com/LuxCoreRender/BlendLuxCore/issues/167 Inserted keyframes in material node graph don't show up in graph editor or anywhere else]
* [https://github.com/LuxCoreRender/BlendLuxCore/issues/148 Blender crashes when Ctrl+C is pressed to copy an object with a material]