This is a recommended bugfix release that adds additional stability fixes. Read the release announcement here.

Stability

• Fix deployment system to work properly with pip 20
• Fix multithreading crash when garbage collecting render states (#499)
• Fix crashes when hotplugging USB device on macOS Catalina (#847)
• Fix crash when using Python OpenSSL module with wheel build of Panda3D (#851)
• Fix a memory leak in task system in Python 3 (#873)
• Fix detection for convex angles in visible geometry in collision system (#879)
• Fix regression in 1.10.4 when overriding verticalScroll_frameSize (#864)
• Fix DirectScrolledList scrollTo error in Python 3 (#880)

Shaders

• Fix OpenGL shaders not being properly applied across multiple buffers
• Proper handling of texture rotations applied to normal maps (#808)
• //Cg profile no longer affects subsequent shader loads (#863)
• Add support for custom vertex columns when munging points to quads (#870)
• Workaround for GLSL p3d_TextureMatrix[] input giving GL error on macOS (#846)
• Fix ShaderTerrainMesh disappearing when enabling compressed-textures

Input

• Fix MouseWatcherRegion leave event sometimes being fired twice (#858)
• Fix odd behavior when pressing multiple mouse buttons during capture (#843)
• Fix support for dead key input on some X11 servers
• Fix raw key events being sent down repeatedly when holding key on X11 (#874)
• Numpad keys are no longer included in get_keyboard_map() on X11
• Add labels to some keys in get_keyboard_map() on X11
• Properly use cursor hotspot when loading custom cursor on macOS (#845)
• Loading custom cursor on macOS now properly resolves against model-path

Animation

• unloadAnims no longer removes all control effects, only for given anims (#853)
• AnimChannelScalarTable (for morph animations) is now exposed to Python
• It’s now possible to create a CharacterSlider with default value

Pipeline

• Fix assertion errors when model-cache-dir cannot be created (#790)
• Textures with clear colors are no longer stripped from bam files (#844)
• Support texture clear colors in bam files (requires bam-version 6 45 in PRC)
• Fix bam2egg skinning bug for models with default poses on joints
• bam2egg supports multitexturing and multiple UV sets

Build system

• Add missing --cggl-incdir and --cggl-libdir options in makepanda
• Reduce library size by not exporting symbols of linked static libraries
• Wheels no longer unnecessarily include libpythonX.Y.a (#839)
• makepanda now auto-disables plug-ins in Config.prc that were not compiled in
• Fix refcounting of returned ReferenceCount-like objects in interrogate
• Fix inability to build a .whl on Ubuntu
• Fix erratic build failure in dcParser code
• Fix compilation using Windows 8.1 SDK