Fix bug where the modifier keys were often ignored when doing the "drop" of a drag and drop UI operation.

Fixed an issue with the HUDs in the APEX Animate state that could cut off all tabs before the current tab when the "Auto Resize" option is enabled.

Fixed a crash with hou.Color.reloadOCIO() after a viewer has been closed.

Fixed a crash with hou.Color.reloadOCIO() after a viewer has been closed.

Stack traces for all threads are now saved into the crash log.

Fixed crash in the composite viewer when one of the viewports was in a volatile view state when the viewer executed an update.

Fixed crash in the composite viewer when one of the viewports was in a volatile view state when the viewer executed an update.

Single channel AOVs from render delegates in LOPs now render as white instead of red.

Only process an object camera if its guide is visible or a viewport is looking through it.

Fixed a bug where hkey was not showing the actual error message when a SideFX login failed.

Fixed a python error when right clicking on a hou.qt.InputField in Qt6 builds.

Fixed a bug in the APEX Animate state where reloading the scene while in the state could cause UI widgets for the channel HUD to pop up as inidividual floating windows. Also fixed another HUD issue with the channel and settings HUDs consuming arrow keys, preventing the playbar from receiving the keys.

Fixed a bug that caused the renderstatsreport command utility to error on startup in the Qt 6 build.

Added a "Pre-multiply if Necessary" parm to the File COP. This pre-multiplies color with alpha for formats that store data un-premultiplied (PNG, TGA). If disabled, no operation is performed. This has no effect on other formats. This parm can be disabled to load in textures with data stored in the alpha channel.

The Cache LOP in Current Frame mode with Subframe Sampling on now generates the correct time samples when cooking the LOP at non-integer frames.

The geometry clip sequence LOP now produces warnings if any of the clip file primitives have composition arcs. Value clip files are not composed, and so cannot access data through references, payloads, etc.

Fixed a bug in the APEX Animate state with the HUD widgets that could cause all tabs to the left of the current tab to be hidden when the HUD was shown.

Fixed a bug where setting the preferOutputNodes property to true in HAPI_CookOptions was causing both Display and Output nodes to be cooked.

Made several fixes/enhancements to the Geo Clip Sequence LOP:

• Fixed subframe sampling or frame increment < 1
• Added "Handle Missing Files" parm
• Added option to sublayer the topology file instead of referencing it
• Fixed authoring clips with a clip name other than "default"
• Fixed saving manifest file when the clip was put behind a variant arc

Added a "Reload Files" button to the Geometry Clip Sequence LOP.

Fixed a bug where subd mesh with dicing quality set to 0 could cause karma to crash. This bug was introduced in 20.0.676.

Fixed a bug where subd mesh with dicing quality set to 0 could cause karma to crash.

Fixed a bug in kinefx::deletejoints in which a cache was not invalidated when joint names were updated.

Fixed a bug where setting the preferOutputNodes property to true in HAPI_CookOptions was causing both Display and Output nodes to be cooked.

HEMAX_HDA_PATH can now be set to a list of directories, with directories separated by a semi-colon (';'). Previously, HEMAX_HDA_PATH could only be set to a single directory.