• Added thea document type for MacOSX (missing from RV675). (I/O)
• Added texture bitmap clean up. (UI)
• Added missing parameter "Rotation" for model global texture coordinates (missing from RV675). (I/O)
• Region area render in OpenGL viewport is not triggered now when window width or height is just 1 pixel. (UI)
• Switch auto clipping to false by default. (UI)
• Added context menu for schema layers in material lab containing. (UI)
• Material name is always shown now in schema layers window. (UI)
• Fixed global texture coordinates which were always disabled for models without bitmaps (missing from RV675). (UI)
• Various corrections in finding bitmaps (correct matching of bitmaps using full paths). (I/O)
• Addition of revert file option, to go back to last saved scene. (UI)
• Added reloading bitmaps context option for texture list, material and models. (UI)
• Corrected bitmap preview when changing relocating/reloading grayscale bitmap from the texture list. (UI)
• Correct adjustment of ROI in OpenGL viewport when shift lens is present. (UI)
• Fixed loading Advanced Material Simulation scene in material editor. (I/O)
• Fixed weighting for all primary channels for transparent areas. (Unbiased/Progressive Engines)

• Optimized irradiance cache copying/saving/restoring. (Adaptive BSD)
• Ambient occlusion interface fixes for Presto GPU. (UI)
• Crash fix when mixing area and point lights. (Presto GPU)
• Ghost rendering fix moving camera while rendering in darkroom. (UI)
• All presets now default to CPU interactive render for safety. (UI)
• Fixed interactive render view for animated cameras. (IR)
• Fixed loading Presto plugin through SDK. (Plugins)
• Presto engine refresh in darkroom starts immediately now. (UI)
• Crash fix with displacement mapping on flat surfaces. (All CPU Engines)
• Update of translation table in thea.po file. (Internationalization)

• Devices parameter appears now in non-advanced user mode, in studio. (UI)
• Added support for visibility and shadow caster flags in Presto. (Presto)
• Changed Unbiased* (MC) to Progressive (MC). (UI)
• Tiny optimizations and improvements for Presto. (Presto)
• Added remote server refresh messages for settings that now update parameters as well. (UI)
• Caustics crash fix for TR1. (TR1)
• Minor fix for Presto thin film evaluation. (Presto)
• Patch for not losing panels for right to left languages (Arabic/Hebrew). (UI)
• Remote server can process now "status" message in order to return render progress. (UI)
• Various changes to support generic scene action undo (basically, drop scene / model and sky settings that were not undoable before). (UI)
• Added accelerator table for main frame and edit menu. (UI)
• Small fix when running interactive render with Presto. (Presto)
• Improved sampling of high scattering media (scattering >> absorption). (TR1/TR2)
• Fix for presto handling colors and bitmaps that are deeply layered. (Presto)
• Crash fixes for Presto serialization for multiple devices. (Presto)
• Fix for absorption calculation through transparencies. (All Engines)
• Correctly accounting for rotation of IBL global frame for Presto. (Presto)
• Reduction of Adaptive BSD irradiance cache memory requirements by most at 5%. (Adaptive BSD)
• Fix for Mie hazy and murky medium formulas. (All Engines)
• Small fix for anisotropy evaluation in coating & glossy materials for Presto. (Presto)
• Fix for Presto, when reflectance is black while reflectance 90 is not. (Presto)
• Reduced noise and wrong lighting fix for TR1/TR2 and Adaptive BSD. (TR1/TR2/AdaptiveBSD)
• Fix for dialog opening files on MacOSX. (UI)
• Fix for dispersion tracing in Adaptive BSD. (AdaptiveBSD)
• Fix for dispersion color in field mapping. (AdaptiveBSD)
• Correct treatment of medium coefficient files in Presto. (Presto)
• Fix for caustics intensity from photon mapping. (AdaptiveBSD)
• Saving and restoring full layout (maximize, position and size). (UI)
• Saving layout files for all modes (i.e. darkroom, client, material editor). (UI)
• Minor speed improvement when exiting studio. (I/O)
• Fix for projector lights direct lighting in Adaptive BSD. (AdaptiveBSD)
• Important bug fix for Presto stability. (Presto)
• Fix (workaround) avoiding Max Passes being equal to zero (value clamped to 1). (I/O)
• Added menu entries for opening config and session folders (currently only for Windows).
• Added Devices setup button in client user interface.
• Added missing sun disk for Adaptive BSD and Presto. (Adaptive BSD/Presto)
• Fix during initialization for Adaptive BSD when IBL image has very low resolution. (Adaptive BSD)
• Small fix when setting OpenGL render mode from corrupted registry. (UI)
• Fix for physical sky, when sun is just below horizon where it was becoming unnaturally bright. (All Engines)
• Fix disabling again sun when physical sky is disabled. (UI)
• Display parameters are now being updated when browser sky is applied (it was working only for drag & drop). (UI)
• Correct handling now for pack.thea files that are copied or renamed by user after creation. (I/O)
• Important fix for single layer material with (soft) alpha mapping that could result in excessive lighting/noise. (All Engines except Presto)
• Fix for sampling for Presto for materials with alpha map. (Presto)
• Added passive emitter, that can be only seen directly or through series of perfect reflections/refractions. (All Engines)
• Small fix for sun pool caustics in some rare cases in the presense of other area emitters. (TR1)
• Fix for rare cases of completely ill-defined area lights for presto. (Presto)
• Corrected IES evaluation with adaptive sampling. (Adaptive BSD)
• Fix for Presto handling of shared surfaces (removed temporarily the offending code present in RV945). (Presto)
• Fix in computation of absorption from global medium that could be applied twice. (Unbiased/Biased).
• SSS material has now a representation in Presto although no volumetric/SSS is actually computed (only reflection/refraction from surface). (Presto)
• Added alpha mapping support for area emitters in Presto. (Presto)
• Offset of -90 degrees for IBL images to be in accordance with modeling applications. (All Engines)
• Added Sky and IBL types to properly adjust (or not) sun along with their changes. (UI)
• Crash fix when running interactive presto, with missing driver. (UI)
• Fix when opening scene with presto set, when driver is missing. (UI)
• Fix when setting core engine to an interactive cpu engine. (I/O)
• Saving display settings now with sky in browsers. (I/O)
• Fix for generating sky preview when saving sky (previous was flipped horizontally). (UI)
• Some other minor fixes and additions.
• Added remote server support in thea (-remoteserver command line switch and from Help > Remote Server). (Networking)
• Some internal fixes related to messaging. (Core)
• Making now current view active when moving away from a camera. (UI/Viewport)
• Fix when locking/unlocking camera from scene tree and moving afterwards in OpenGL viewport. (UI)
• Clean up and fixes for various render presets. (I/O)
• Fixes for some UI render parameters; Caustics (progressive) and SSS (that is not handled by Adaptive BSD anymore). (UI)
• Crash fix when trying reading mesh.thea file. (I/O)
• Fix for UV maps for certain meshes (when vertices=3*triangles) when viewing them in Studio. (I/O)
• Bump/normal map fix for GPU engine when rotation is present. (Presto)
• Assertion fix for 64-bit versions of Linux/MacOSX binaries. (Linux/MacOSX)
• Added GPU Devices configuration menu. (UI/Presto)
• Fixed motion blur artifacts for direct lighting and irradiance precomputation. (Adaptive BSD)
• Fixed animation network rendering for integrated plugins acting as servers. (Network/SDK)
• Fixed texture projection support for Presto when projection is other than UV/Cubic. (Presto)
• Crash fix for region rendering in Adaptive BSD. (Presto)
• Fix for rare omni light sampling issue for unbiased methods. (TR1/TR2)
• Fix for interactive rendering when CUDA card is different than display card. (Presto)
• Fixes and improvements when inserting camera. (UI)
• Fix for quick render restart (fix for plugins). (SDK)
• Fix for animated camera rendering (fix for plugins). (SDK)
• Crash fix for older CPUs, when interactively rendering with Presto and selecting. (Presto+UI)
• Fixed reusing irradiance cache with walkthrough animation rendering.

• Fix for missing area light optimization during Sync phase of Presto GPU. (Presto GPU)
• Small performance boost during Sync phase (~10%) for Presto GPU. (Presto GPU).
• Regression bug fix with background mapping used behind a glossy object. (Presto)
• Minor fix for Studio with small dialog of missing bitmaps. (Studio UI)
• Stability fix for low/mid-end graphic cards when starting render. (Presto GPU)
• Small fix for Presto, valid device is now for compute capability 2.0 and above. (Core)
• Fix when changing devices from device form, that render settings in the tab book get updated as well. (UI)
• Minor UI fix for name control in Studio. (UI)
• Minor improvement for FPS calculation in Presto. (Core)
• Presto runs now with simplified IBL sampling during interactive render, for faster (but also noisier) interactive render. (Presto)
• Crash fix when loading images on OSX/Linux when memory occupied goes beyond 2G. (Core)
• Regression bug fix for exporting model (mod.pack) and material (mat.pack) library. (Studio UI)
• Rebuilding material previews uses now selected material editor room, overriding material parameter. (Studio UI)
• Crash fix when Repaint is checked (Colimo). (Core)
• Repaint will be now ignored if there are no repaintable materials in the scene (previous versions was stopping with error). (Core)
• OpenGL Viewport fix when committing position. (Studio UI)
• Crash fixes for OSX platform (on install updates and on clicking texture placeholder icon in material editor). (Studio UI / OSX)
• Assertion fix for Studio on regional settings configuration (decimap point). (Studio UI)
• Crash fix when moving animated camera during interactive render. (Presto)
• Changed update form to show progress on same window. (Studio UI)
• Workaround for file dialog on OSX, when opening/saving format with double extension. (Studio UI / OSX)

Thea Render v1.4.02 Revision 1225 (23 December 14)

• Fix for Presto clip mapping when dealing with channels. (Presto)
• Optimization in Presto for light evaluation in the presence of clip mapping. (Presto)
• Added Transparency, Internal Reflection and SSS extension depth for Presto. (Presto)
• Alpha channel is now written by both transparency and refraction. (All Engines)
• Background mapping is now evaluated by both transparency and refraction. (All Engines)
• Application license will not be considered for nodes, unless entered explicitly as Node license. (Licensing)
• Compatibility with Vista fixed. (OS)
• Fix for Presto bucket rendering when relight is on. (Presto)
• Fix for Presto displacement when tight bounds is off. (Presto)
• Licenses now for v1.3 and v1.4 can co-exist. (Licensing)
• Fix for bucket rendering for very small image resolutions. (Presto)
• Crash fix when Voronoi procedural is being used. (All Engines)
• Updated direct and unbiased material editor scenes to use mesh (instead of parametric) spheres. (I/O)
• Crash fix for MacOSX and studio when clicking on inline RGB/HSV editing. (OSX)
• Crash fix for MacOSX upon start up. (OSX)
• Hang fix for interactive Presto, when both GPU and CPU are enabled. (Presto)
• Minor start up optimization for Presto in the presence of both GPU and CPU. (Presto)
• Fix for instancing eraser. (UI)

Thea Render v1.4.01 Revision 1217 (16 December 14)

• New Features and Improvements. Check tech announcement here for more details.
• Requirements and Deprecated Features. Check page here for more details.
• Removed Max Passes and Devices parameters. (Core)
• Fixed hanging on material editor generation preview (multithreaded race condition). (Core)
• Changed default values for SSS material. (Core)
• Upgraded to wxWidgets 3.0.2. (UI)
• Added missing mechanism for copy-paste-delete for color-texture buttons. (UI)
• Updating sky location controls upon changing location. (UI)
• Crash fix for displacement. (All CPU engines)
• Merged interactive render settings in studio, deprecated Progressive AO and Progressive MC. (UI)
• Added remaining time functionality. (UI)
• Fixed fog rendering regression bug. (Core) Bug #1218
• Minor fix for Presto dispersion. (Presto)
• Performance fix for CUDA devices 5.0 and 5.2. (Presto)
• Changed lens shift formula to match 100% OpenGl viewport lens shift. (Core)
• Crash fix in direct lighting calculation. (Adaptive BSD)
• Accuracy fix due to bump shading normal. (All CPU Engines) Bug #1299
• Switched to new Interactive/Production mode in Studio. (UI)
• Fix for render being aborted in the middle of pass. (Presto) Bug #1315
• Relight is now performed for SDK. Bug #650
• Changed default temp folder location (windows only). (Installation)
• Added presto displacement. (Presto)
• Removed displacement micro bump. (Core)
• Removing now installed items from auto update and listing only most recent versions. (Auto Updates)
• Presto runs now for 64 spp when user given spp is 0 for bucket rendering. (Presto)
• Added custom room per material.
• Fix for z-clipping. (Core) Bug #1317
• Moved application data folder to user local application folder (Windows). (Installation)
• Fix for Adaptive BSD spots in parallel view. (Adaptive BSD)
• Added device configuration for Presto in render settings. (UI)
• Added Radius Multiplier for easier sun radius adjustment. (Core)
• Optimization in building environment with scenes with many proxies. (All Engines)
• Fix for camera mapping crashes in Presto. (Presto) Bug #1368
• Improved licensing form.

---

Thea Render v1.3.08 Revision 1165 (8 October 14)

• Updated installers of standalone to include thea dynamic libraries.
• Updates copyright message.
• Fixed SDK CleanUp (producing crash through plugins handling proxies).
• Finalized support for non-repeatable bitmap.

Thea Render v1.3.08 Revision 1163 (2 October 14)

• Minor refactorings for Presto. (Presto)
• Fix for sky background color, when using centered background image and uv coordinates fall outside bitmap. (Presto)
• Changed presto library filenames. (I/O)
• Fix for BSD rendering over network. (Adaptive BSD) Bug #1206
• Fix for infinite loop during requesting unique surface proxy name. (Core) Bug #1217
• Fix for obj file parsing. (I/O) Bug #1164
• Stability fix for motion specifier. (Motion) Bug #1223
• Crash fix when building environment on MacOSX. (MacOSX/All Engines)
• Fix for setting and retrieving thread priority on MacOSX. (MacOSX/All Engines)
• Fixed animation rendering bug on network with progressive engine not commiting last frame. (All Progressive Engines) Bug #1251
• Fixed cleaning up unused data (proxies) upon clean-up call through Studio and SDK. (I/O) Bug #1259
• Fix for absorption in material layers for Presto. (Presto) Bug #1265
• Fix for studio crashing on localized MaxOSX. (I/O) Bug #1059

Thea Render v1.3.07 Revision 1130 (29 July 14)

• Added possibility to have plain color for clip/alpha mapping. (UI) Feature #1155
• Minor fix for reverse gamma in Presto. (Presto)
• Fixed OpenGL selection broken regression issue (from RV1086->RV1115). (UI) Bug #1154
• Fix for Presto texture layering taking too much memory space. (Presto)
• Starting render through remote server does not clear now render region (or add current view). (UI/I/O)
• Fixed inheriting CPU priority for various threads in CPU part. (All Engines)
• Fix setting priority in Presto CPU; apparently, Presto CPU was running one level higher than user input. (Presto) Issue #1163
• Stopping interactive render clears the block counter (necessary if someone wants to stop IR after blocking render, without the necessity to unblock it).
• Crash fix for Presto during interactive image updates. (Presto)
• Removed filtering during production/interactive render is in progress, for faster refreshes. (All Engines)
• Added clay render support for all engines. (All Engines) Feature #1170
• Clay render does not override simple reflectors now. (All Engines)
• Safety code addition for (arbitrary) camera render region. (All Engines)
• Added support for reflection & refraction mapping for Presto. (Presto) Feature #251
• Automatically disabling now render settings that do not make sense for interactive rendering (Relight/Repaint/Channels). (All IR Engines)
• Improved color sampling for Presto. (Presto)
• Some fixes/improvements for Presto interactive render. (Presto) Feature #1189
• Fix for added surface proxies when merging scenes. (I/O) Bug #1153
• Thea Studio starts now with default non-turbo mode for best IR experience. (UI) Feature #1149
• Switch to CUDA 6.0 for Presto GPU, with static linking, available for Windows build only currently. Compute capability 5.0 devices covered now on Windows OS.
• Artifact fix for Presto texture layering, in the case of combined/weighted texture of 2nd level. (Presto) Bug #1198
• Fix for alpha channel not being pure white on solid objects. (All Engines) Ticket #1200
• Minor fix in darkroom, remembering save image dialog filter.

Thea Render v1.3.06 Revision 1115 (24 June 14)

• Changed progress reporting in Studio/SDK. (I/O) Feature #1080
• Fix for several channels in Adaptive BSD, where only the first hit was being considered. (Adaptive BSD)
• Fixed transmittance sampling case when k>0 for Presto. (Presto)
• Presto perspective DOF matches now exactly the CPU engines DOF for circular lens. (Presto)
• Fix when merging scenes with same surface proxies. (I/O)
• Fix for Presto clamping in the case of CRF usage in display. (Presto)
• Fix for soft clip mapping and area emitters. (Presto) Bug #1050
• Fix for import of UV coordinates from obj files. (I/O) Bug #1045/#351
• Fix for normal map orientation in Presto. (Presto) Bug #1031
• Regression bug fix for hidden line removal drawing mode of Studio. (UI) Bug #1043
• Fix for instancing eraser bug when applied to grouped objects. (UI) Bug #665
• Fix for z-clipping with TR1/TR2 engines. (Unbiased TR1/TR2) Bug #1029
• Fixed saving slot0.png image on plain C:\ or D:\ when running script command. (I/O) Bug #1061
• Fixed wrong IBL reflections for shadow catcher in Presto. (Presto) Bug #1024
• Fixed refresh of Sky when sun changes in interactive render for Presto. (Presto/IR) Bug #990
• Optimized clip mapping for Presto, it runs now faster at least 40% for relevant scenes. (Presto) Optimization #1065
• Added front and camera mapping projection support in Presto. (Presto) Feature #606
• Various tiny optimizations for Presto. (Presto)
• Fixed bug where added camera cannot be selected for camera mapping. (UI) Bug #1075
• Sampling improvement for noisy invisible emitters in Presto. (Presto)
• Minor fix for progressive clamping in SDK. (Presto) Bug #1088
• Small optimizations in OpenGL viewport for faster interactive rendering. (UI) Optimization #1095
• Added OpenGL viewport accelerator keys: F5 start IR, F7 stop IR, F9 toggle visibility of OpenGL gizmos/button. (UI)
• Faster Presto interactive updates when material colors & plain parameters are changed. (Presto) Optimization #1110
• Updating now user interface (darkroom settings) through remote server messages. (Remote Server/UI)
• Faster interactive updates through the SDK using callback mechanism. Still not finished (need to update Progressive CPU engines).
• New way of dealing with interactive render updates. (UI) Optimization #1106
• Default tracing depth is now set to 5. (Progressive Engines) Feature #1103
• Removed forcing "no super sampling" in interactive rendering inside Studio. (UI)
• Improvement for accurate SPP limit for Presto. (Presto) Feature #1122
• Fixed vignetting working with region render. (All Engines) Bug #1124
• Changed logic of Presto AO, so that diffuse intereflection is computed based on diffuse depth (results are more intuitive). (Presto AO) Feature #989
• Memory improvement related to filtering in Presto engine. (Presto) Optimization #1137
• Added information for supersampling in progress log, in order to display multiplicative factor for s/p. (UI)
• Fix for coating/glossy reflectance evaluation (when multiple substrates were involved), final color was being assigned instead of being added. (Presto)
• Stability fix for Presto when set in Normal priority. (Presto)
• Performance improvement for Presto when set in Low/Normal priority. (Presto)
• ISO, Shutter Speed and Temperature can take safely floating point values now in Studio display. (UI)
• Fix for terminator artifact for Presto CPU (CPU only). (Presto CPU) Bug #1143
• Added log level support to avoid low importance warnings. (I/O)
• Fixed material loss after merging with replacing models option. (I/O) Bug #1146
• Fixed Bad behaviour of Studio integration with 3Dconnexion mouse device on MacOSX. (I/O / OSX) Bug #1033
• Added preference option to switch between 16-bit and 32-bit OpenGL Z-Buffer. By default, it is 32-bit on Windows (higher quality) and 16-bit on Linux/MacOSX (higher performance). (UI)
• Fixed wrong alignment of OpenGL viewport with interactive render (happening on the occasion of abrupt mouse movement).

Thea Render v1.3.05 Revision 1086 (16 April 14)

• Fix for cubic mapping in OpenGL viewport.
• Regression bug (crash fix) when starting client interface.

Thea Render v1.3.05 Revision 1085 (11 April 14)

• Minor fix for Presto final commit (after stopping render). (Presto)
• Caching of some geometrical data for faster response in OpenGL. (UI)
• Integration of 3Dconnexion mouse on Windows/MacOSX. (UI)
• Presto on Nvidia Cuda GPU runs faster now, around 5%. (Presto GPU)
• Added support for time limit in seconds. (UI/Progressive Engines)
• Fix for Presto IES light evaluation. (Presto)
• Fix for rotated bump/normal map. (All Engines)
• Added hard clip mapping support for Presto. (Presto)
• Added "memory" regarding the selected filter when saving & loading scenes and data in studio. (UI)
• Fix for Presto model texture y-scale. (Presto)
• Small optimization for Presto CPU by reusing some memory. (Presto CPU)
• Optimization 10-50% for Presto CPU for many core systems. (Presto CPU)
• Multi-device support for Presto interactive. (Presto)
• Lens shift fix for Presto. (Presto)
• Volumetrics fix for Presto interactive. (Presto)
• Fix for CRF for Presto. (Presto)
• Small optimization regarding passing interactive render settings. (UI)
• Acceleration key table for other modes besides Studio. (UI)
• Crash fix for model point lights with textured emittance. (All Engines)
• Faster object selection when Presto interactive render is running. (UI)
• Faster OpenGL drawing. (UI)
• Added display of Presto information during interactive render. (UI)
• Memory optimization for OpenGL to reduce graphic card memory consumption when Presto is running. (UI)
• Added ambient emitter support. (All Engines)
• Improved performance in the presense of small instances. (All Engines)
• Improved memory consumption for LOD in the presence of surface proxy geometry. (UI)
• Iterative OpenGL drawing now goes inside the whole hierarchy to avoid UI freezing for heavy scenes. (UI)
• Various optimizations for display of the scene tree view. (UI)
• Improved overall interactive rendering performance. (UI)
• Default active texture for layered material is now first substrate. (UI)
• Change of logic when drag and dropping or applying a library model. Orientation and scaling remain now unaltered. (I/O)
• Upgraded Xcode version, MacOSX build is 10-15% faster. (MacOSX)
• Upgraded to CUDA 5.5 on Windows/MacOSX/Linux. (Presto)

Thea Render v1.3.04 Revision 1055 (27 February 14)

• Texture layering support for Presto (partial support - "synthesis" weighting still not supported). (Presto)
• Added some log messages for texture cases that cannot be handled by Presto. (Presto/UI)
• Minor bug fix removing when blackbody colors are in scene (could lead to crashes on multiple devices). (Presto)
• Crash fix when devices.xml file is different than running system. (I/O)
• Consistency between device info and running system. (I/O)
• Minor fix when closing application while minimized in which case it loses its layout upon re-running. (UI)
• Removed confusing shutdown warnings. (UI)
• Added cleanup of session files on exit. (Studio/SDK)
• Fixed sky evaluation marginal cases. (All Engines)
• Crash fix during building environment when animation timeline is inconsistent (not increasing). (All Engines)
• Crash fix when building environment with instances. (All Engines)
• All progressive engines stop render when the first thread/device terminates based on max passes. (Progressive Engines)
• Minor fix stopping on samples per pixel criterion. (Presto)
• Crash fix setting animation frames. (Core)

Thea Render v1.3.03 Revision 1033 (3 February 14)

• Somewhat faster interactive render drawing bitmap. (UI)
• Fixed surface proxy (with face selection) intersections. (Core)
• Fix saving and retrieving surface instance selection lists from files. (I/O)
• Minor message fix "Threads:" to "Devices:" when Presto is running. (UI)
• Fix for Presto seeding when sending individual frames for rendering from animation sequence. (Core)
• Crash fix when initializing Adaptive BSD with an empty scene. (Core)
• Sun can be placed now in a point light hierarchy. Also, in the presence of multiple suns, only the enabled one is taken into account (otherwise the first disabled one). (Core)
• Minor fix for refreshing interactive render bitmap after stopping. (UI)
• Minor fix for rejecting material when in material editor mode, after closing editor with the [x] button. (UI)

Thea Render v1.4.04 Revision 1252 (18 February 15)

• Clamping in texture tonemap for CPU engines is now made in that way to match Presto output. (All CPU Engines)
• Bug fix for Presto CPU (compiler issue) when rotating textures. [bug #1417] (Presto)
• Fix for timeout when Presto used in bucket rendering and more than 1 devices are involved (or if network is used). (Presto)
• Fix for showing selected instance in instancing brush. (Studio UI)
• Crash fix when changing texture in IBL (eg. applying Sky with double click), during Presto interactive render. (IR|Presto)
• Shadow catcher works again in Presto. (Presto)
• Small memory leak fix in Presto. (Presto)
• Correctly handling studio-GUI-wise locking of caustic map and irradiance cache. (Studio UI)
• Crash fix for Presto, when IBL reflection and refraction mapping is enabled but not illumination mapping. (Presto)
• Crash fix for Presto, when changing textures with IBL enabled. (Presto)
• Fix for missing sun in Presto when dragging it during interactive render. (Presto)
• Fixed updating of camera mappings during Presto interactive render. (Presto)
• Crash fix when changing camera mapping during Presto interactive render. (IR|Presto)
• Fixed selection of camera, in the camera map texture control. (Studio UI)
• Fixed compiler bug. bug #1428
• Made direct material room rendering faster (reduced AA settings). (Material Editor UI)
• Viewport layer indicators are now updated when deleting a model/light. (Studio UI)
• Network rendering with per-frame cooperation (animation) is stopping now when user stops rendering (regression bug). (Network)
• Command line network rendering with per-frame cooperation (animation) succeeds now accepting clients. bug #1407 (Network)
• Weird crash fix upon initialization when Viewport needs to be drawn, before studio is fully initialized. (OSX|Studio UI)
• Crash fix when Model tab is visible and there exists a model with empty name. (Studio UI)
• Last material room selection is now saved/restored and used as default. (Material Editor UI)
• Quick and dirty fix for settings panels being cropped when expanded. (Studio UI)
• Clearing now material editors upon loading scene. (Studio UI)
• Render matches now between CPU engines and Presto when there is single BSDF with weight map. (Materials|Presto)
• Fixed crash with updating sun during interactive render in SDK (crash happening in Thea for SketchUp). bug #1427 (IR|Presto)
• Crash fix for Presto when textured emitters are evaluated on surfaces without UV coordinates (regression bug). (Presto)
• Improved logging for Presto sync phase, warning unsupported textures. (Presto I/O)
• Unbiased TR1/TR2 and AMC match now Presto lighting when evaluating invisible emitters. (TR1/TR2/AMC)

Thea Render v1.4.05 Revision 1261 (5 March 15)

• Crash fix for operations on textures (adding, deleting) during Presto interactive render. (IR/Presto)
• Float stability fix when using IBL map. (All Engines)
• Slight improvement of Studio GUI response when editing material in lab during interactive render. (Studio UI)
• Crash fix for Presto on the presence of displaced emitters. (Presto)
• Crash fix for Presto when opening texture from material/texture lab during interactive render. (Studio/IR/Presto)
• Rare hang fix for Presto due to synchronization loss. (Presto)
• Fixed minor initialization bug for bitmap textures. (Core)
• Minor fix for writing data to layered material. (I/O)
• Noisy reflection bug fix for Adaptive BSD. (Adaptive BSD) bug #1269
• Improved handling of mouse wheel in the darkroom zoom in/out. (Studio UI)
• Added mouse wheel speed multiplier setting (in studio preferences). (Studio UI)
• Minor fix for cropped missing bitmap dialog on OSX. (Studio UI/OSX)
• Studio UI fix for disappearing render settings. (Studio UI)
• Fix for position, UV and mask channels. (TR2/AMC)
• Crash fix when shadow catcher material exists in scene but final gathering is disabled. (Adaptive BSD)
• Crash fix when rendering scene with sun then switching to rendering scene without sun. (Adaptive BSD)
• Artifact fix with thin film with interference for irradiance precomputation. (Adaptive BSD) bug #1396
• Channel fix: altering Presto channels to be computed like TR1/TR2 when transparencies are present. (Presto) bug
• Recursive directory creation for directory handling. (Linux/OSX/Installation)
• Added switch -safemode for clean & diagnostic run (finding and overriding installation errors). (I/O)
• Added shortcuts for -client, -darkroom, -matlab, -safemode on Linux desktop. (Linux/Installer)
• TR1/TR2/AMC match now BSD and Presto when evaluating shadow catcher after reflective material, in the presence of reflection/refraction mapping. (TR1/TR2/AMC) bug #1227
• Background, reflection, refraction mapping assumed now to be black when being enabled but no bitmap is selection, making Presto output matching TR1/TR2/AMC/BSD. (Presto) bug #1260
• Auto updates crash fix for Linux/OSX by changing file downloading scheme. (Linux/OSX)
• Minor correction for color and enable controls layout. (Studio UI)
• Minor correction for buttons' text -client and -matlab modes. (Linux/OSX/Studio UI)

Thea Render v1.4.07 Revision 1318 (26 May 15)

• Fixed directory creation wrong return flag (error message box when creating browser directory). (UI)
• Fix for render artifact with certain IES lights. (Core) bug #1501
• Added switch -noviewport for running studio without OpenGL viewport. (UI) issue #1508
• Small improvement when reading IES Stream parameter. (I/O)
• Rare crash fix for Presto when material has too many textures. (Presto)
• Extended scripting mechanism with label matching, index, property matching, ellipsis (recursion). (I/O)
• Minor bug fix, updating property sheet when changing camera Pinhole & Auto Focus parameters from right mouse button context menu. (UI)
• Recovering now from failed parsing (of float numbers) when reading XML files. (I/O)
• Checking of input RGB colors for Presto against valid range. (Presto) bug #1609
• Fix for transferring correctly point light for Presto. (Presto) bug #1597
• Setting parameters now for multiple selections in Studio. feature #1618
• Fixing BSD rendering when color channel is not selected. (Adaptive BSD) bug #1586
• Fixed thin film reflection in Presto, when reflection/refraction mapping is on. (Presto) bug #1600
• Fixed weird bug when medium is rendered black after unselecting/selecting surface and changing medium property (for example, absorption density). (Presto) bug #1263
• Fix in clicking and setting up medium/emittance/clipping in a material, in material editor, right from studio launch. (UI)
• Update in Presto ambient occlusion channel of Presto, so that it is unaffected by tone mapping. (Presto)
• Fix for crash when right clicking on edit control in studio. (UI) bug #1635
• Handling case when Presto CUDA module fails (due to memory) delivering black buckets. (Presto)
• Handling case when client (in network rendering) fails delivering black buckets. (Network)
• Clients now, in network rendering, do not insist on getting a project when they have failed (or rejected by the server). (Network)
• Fix for fireflies in image when contrast filter is enabled. bug #1469
• Crash fix with area lights, that have degenerate fragments or used through surface instancing. (Presto) bug #1642
• Robust handling of GPU crashes, when happening during rendering, so as not to destroy rendered film. (Presto) bug #1641
• Improvements for network bucket rendering and failsafe control. (Network)
• Improvement for terminator artifact fix dealing with translucency. (Presto) bug #1645
• Added Fusion 360 licensing support. (Core)
• Small fix, using the active camera when loading scene in studio launced with -darkroom switch. (UI)
• Render client does not contribute now incomplete bucket when stopped. (Network) issue #1637
• Crash fix for Presto when motion blur is switched off but there are moving objects in the scene. (Presto) bug #1660
• Robust co-operative network rendering with per-frame rendering. Rendering will handle missing/failed frames. (Network)
• Fix for hanging client in network rendering, when requesting animation frame to render but server has already shutdown. (Network)
• Fix for co-operative network rendering per-frame, when late clients cannot receive server project. (Network)
• Studio is now waiting till render stops before quiting, when there is a render in progress. (UI)

Thea Render v1.5.01 Revision 1355 (21 July 15)

• Fix for angular probe IBL sampling, a rotation was being applied. (All Engines)
• Angular probe is now mirrored (properly matching how the probe is opened as image). (All Engines)
• Complete advanced shadow catcher implementation. (All Engines)
• Added ground plane support for Presto. (Presto)
• Fixed darkening of infinite plane at distance. (All Engines)
• Rare crash fix during Presto IR between render initialization and synchronization. (Presto)
• Completed section cut implementation. (All Engines)
• Adjusted IBL production sampling for Presto taking place also for IR (less interactive but better convergence). (Presto)
• Multiple UV redesign (simplified and added support for Presto). (All Engines) (issue #1426)
• Accurate memory consumption for Presto. (Presto) (issue #1726)
• Integrated newest FreeImage 3.17.0. (I/O)
• Completed functionality for handling multi-layered EXR images. (I/O)
• Added quick workaround for million-triangle models that cause heavy slowdown on Studio viewport, by limiting drawn triangles (default value: 100K per model) (enable switch found in Studio Preferences). (Studio UI)
• Small performance fix for Presto CPU. (Presto CPU)
• Added license proxy and license server initial projects for floating licensing. (Licensing)
• Changed the demo resolution to 1280x720. (Demo)
• Completed Fresnel Ramp procedural. (All Engines)
• Added "Spatial Size" to correctly account for scaling when changing from UV to Cubic coordinates. (All Engines)
• Completed colored coating absorption. (All Engines)
• Ability to save now multiple pack files individually through the browser. (Studio UI)
• Ability to save mat.pack file from material editor. (Studio UI)
• Tone mapping is not applied now on AO channel. (Adaptive BSD)
• Fix for Presto soft clip mapping. (Presto) (issue #1759)
• Removed Floor & Tiles and Wood materials from Studio installer. (Installer)
• Fix when right double clicking in studio darkroom. (Studio UI) (bug #1646)
• Minor GUI fix when clicking on layer down icon in material editor. (bug #1476)
• Crash fix on OSX when running with -noviewport switch. (Studio UI) (bug #1675)