This minor release fixes some important regressions and bugs found
in 1.9.0, but also introduces a few minor features.

It also reintroduces the deployment tools that were absent from
the previous release.

The following issues were fixed:

• SDK now properly installs in Mac OS X 10.11 “El Capitan”
• Windows 8.1+ no longer applies DPI virtualization to Panda window
• Fix ffmpeg library load issue on Mac OS X
• Fix issues running maya2egg on Mac OS X
• Fix compiler errors on different platforms
• Fix various rare crashes
• Fix crashes on shutdown in threaded pipeline
• Fix low-level threading crash on ARM machines
• More reliably and robustly handle failures opening OpenAL device
• Textures were not being scaled to power-of-2 in some cases
• Correct scaling of normal vectors with flatten operation
• Correct positioning of viewing axis when showing lens frustum
• Add dpi-window-resize option to auto-resize window on DPI change
• Fix assertions when alpha-file-channel references unknown channel
• Use OpenGL-style vertex colors by default on non-Windows systems
• Default vertex column alignment is now 4 bytes
• Add PNMImage premultiply/unpremultiply methods.
• Fix incorrect parsing of numbers with exponents in Config.prc
• Fix for reading URLs mounted via the virtual file system
• Fix shader generator memory leaks and runtime performance
• Fix shader generator scaling of binormals and tangents
• Expose _NET_WM_PID to window managers in X11
• Fix a range of bugs in tinydisplay renderer.
• Don’t error when setting lens far distance to infinity
• Allow passing custom lens to saveCubeMap/saveSphereMap
• Fix errors in saveCubeMap/saveSphereMap in threaded pipeline
• Fix DynamicTextFont.makeCopy()
• Make Texture memory size estimation more accurate
• Fix various window resizing issues
• Fix PandaSystem.getCompiler() value for clang (it reported gcc)
• x2egg no longer replaces face normals with vertex normals
• Include Eigen headers in Mac and Windows SDK
• Added geomipterrain-incorrect-normals setting, default=true
• DisplayInformation resolution list was missing on Windows
• Upgrade FMOD and Bullet versions on Windows and Mac OS X
• Various performance optimizations
• Fixed various other bugs not listed here.

Fixes and improvements for the runtime:

• Fix splash screen freezing in the X11 web plug-in
• pdeploy will now handle extracted files (eg. .ico and .cur)
• Added more options for customizing splash screen
• Fix missing xml and ast modules from morepy package
• Certificate dialog is now localized to various languages
• Fix packp3d error when Python file is not in a package
• Pass on failing exit status from packaged application
• Remove annoying “:Packager(warning): No such file” warning
• Fix issue installing pdeploy-generated .pkg on OS X 10.11

Fixes for the Python API:

• Fix mysterious and rare crash in tp_traverse
• Bullet step function accidentally defaulted to step size of 0
• Fix overflow of file offsets (eg. when seeking in huge files)
• Fix regression with memoryviews
• Fix hasattr/getattr of vector classes for invalid attributes
• Allow passing a long to methods accepting an int
• Fix crash when passing None to Filename constructor
• MouseWatcherGroup was erroneously not exposed in 1.9.0
• ShowBase no longer unmounts VFS when shutting down
• No longer requires setting PATH to import panda3d.*
• DirectDialog default geom is once again respected
• DirectDialog no longer overrides custom frameSize
• Fix WebcamVideo/MicrophoneAudio.getOptions() methods

Changes relating to the OpenGL renderer:

• Various performance improvements
• Fix point/line thickness setting
• Improve GLSL error reporting
• Fix Intel driver issues, particularly with geometry shaders
• Add more error checking for parameter types
• Integer shader inputs were not being converted to float properly
• Fix crash passing an undersized array to a GLSL shader input
• p3d_ColorScale et al may now be declared as vec3
• Fix flickering when using trans_model_to_apiview in Cg
• Support wireframe and point rendering modes in OpenGL ES
• Fix issue with model disappearing in rare cases with GLSL
• Fix ColorWriteAttrib not working as it should
• Allow deactivating PStats collectors for GPU timers
• Memory residency of graphics buffers now tracked by PStats
• Allow changing OpenGL coordinate system with gl-coordinate-system

Fixes for libRocket integration:

• libRocket did not work on Mac OS X in 1.9.0
• Fix inconsistent behavior with non-power-of-2 textures in rocket
• Use model-path for finding libRocket assets
• Add missing keys to libRocket keymap
• libRocket elements showed up white in tinydisplay

New features:

• Add -L (lighting) and -P (graphics pipe) pview options
• Add M_confined mouse mode that keeps cursor in window
• Add sample program demonstrating mouse modes
• bam2egg supports collision sphere and plane solids
• p3d_TransformTable GLSL input backported from 1.10 branch
• Add openal-device setting for selecting OpenAL audio output
• Add limited modification timestamp tracking for Ramdisk mounts
• Support for Autodesk Maya 2016