------------------------ RELEASE 1.10.7 -----------------------

This is primarily a bugfix release, but includes a few new features as well.

Rendering

* Add High Dynamic Range filter with ACES tone mapping to CommonFilters

* Add sRGB filter to CommonFilters (to be used as fallback to framebuffer-srgb)

* Fix (shadow) buffer no longer working after host buffer is destroyed (#890)

* Fix rare bug with shader parameters not being set right across render passes

* Fog density passed to shader now defaults to 0 when no fog is applied

* Don't check sampler/light type mismatch for non-shadow-casting lights (#942)

* Shader generator now makes use of Material alpha values if present (#912)

* Support sRGB textures and framebuffers in OpenGL ES 2 renderer

Asset Loading

* Egg files can now be loaded with sRGB texture formats automatically

* Fix maya2egg regression not creating animations properly (#1004)

* Fix FMOD issue reading sounds from read-write-opened multifiles (#1002)

Stability

* Fix faulty collision detection when sphere is under polygon (#907)

* Fix PStats misreporting an exploding number of RenderState/TransformState

* Fix memory leak when removing a task that is awaiting a non-Panda future

* Optimize RenderState cache for case where texture is replaced repeatedly

* PNMImage add_sub_image() / mult_sub_image() now properly adds offset (#903)

* Fix some ServerRepository issues in Python 3

* Fix has_tags() still returning true after clearing all Python tags (#936)

* Fix crash in BitArray.has_any_of()

* Fix errors in PythonUtil.detectLeaks() and PythonUtil.report()

* Fix runtime error during ControlManager deletion (#884)

* Some error messages in nativenet are changed to debug messages

* Fix TexMemWatcher crash when graphics memory reaches 1 GB (#975)

* Fix a Triangulator crash dealing with certain invalid polygons (#985)

* Fix in MultiplexStreamBuf::Output::write_string() (#902)

* Fix a buffer overrun on FreeBSD when extracting very long command-line args

Input and Windowing

* M_confined mouse mode on Windows now confines mouse to client rectangle

* Fix incorrect handling of shift modifier on macOS (#959)

* Fix erroneous dpad_*-up events when emulating a dpad on Linux (#973)

* Fix tab handling in DirectEntry with certain versions of Windows CRT (#994)

* Fix parented window receiving WS_POPUP style on Windows (#915)

Deployment

* macOS app bundle now performs chdir into Resources folder upon launch

* No longer defaults to FMOD audio on macOS unless FMOD is explicitly bundled

* Improvements to Config.prc handling (strip comments, sort files, etc.)

* Line buffering is now used on Windows when writing to log files (#947)

* stdout/stderr output streams are now flushed on exit (#946)

* Build paths are now properly stripped from compiled Python code (#991)

* Update to support a change in location of numpy/Pillow libraries (#914)

* Fix libffi-7.dll not being included in official wheels

* PYTHONINSPECT mechanism is no longer enabled when building with optimizations

* A few unnecessary warning messages are squelched

* Windows builds now include previously missing CRT dlls

API

* Add pickle support to Datagram class

* Unexpose a crashing CollisionPolygon constructor and method (#908)

* FilterManager has new parameter to control framebuffer clamping

* Add snake_case aliases for functions in DirectGuiGlobals

* Global delete operator is now safe to call with a null pointer

* Improvements to API reference documentation

Build

* Fix issues building with development versions Python 3.9 and 3.10

* Fix an ABI incompatibility issue with MouseWatcher in NDEBUG builds

* Fix incorrect NaN/inf detection in double-precision release builds (#987)

* interrogate C++ parser supports arbitrary constant expressions in bitfields

* interrogate C++ parser supports sizeof with constant expression

------------------------ RELEASE 1.10.6 -----------------------

This is a recommended bugfix release that adds additional stability fixes.

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

------------------------ RELEASE 1.10.5 -----------------------

This is a recommended bugfix release, especially for macOS users.

* Fix DPI scaling issue in macOS 10.15 "Catalina" (#794)

* Fix crash on macOS Catalina without "Input Monitoring" permission (#795)

* macOS installer now installs to /Library/Developer/Panda3D (#760)

* macOS thirdparty packages are now linked with libc++ (#584)

* Homebrew Python should now locate Panda libraries correctly (#755)

* Work around Tk bug cancelling Load Params in Particle Panel on macOS (#811)

* Fix NaN assertions when particles get very large positions (#822)

* Add support for Autodesk Maya 2020

* Fix maya2egg erroring when running from a pip installation (#709)

* Support DualShock 4 (2nd gen) controller on Windows

* Support .pz and .gz compressed models in deployment system

* Support implicit namespace packages in deployment system (#778)

* Fix issues when using CEF Python on macOS with deployment system

* Fix deployment system issues reading .pyc files in some Python versions

* Fix error with distutils package when deploying in a "virtualenv" env (#747)

* Fix "NameError: name 'mdef' is not defined" error when deploying (#721)

* Deployment system now strips weird -psn_* argument passed to macOS GUI apps

* Fix custom loader hooks sometimes not working with Actor (#750)

* Fix defaults for package_data_dirs in deployment system (#779)

* Fix issues with adding icons to deployed executable (#718)

* Add PNMImage.quantize() that palettizes using median cut algorithm

* Fix stereo and MRT FBO rendering in OpenGL ES (#815)

* RTM_copy_ram mode is now fixed for multiview textures in OpenGL

* Fix OpenGL multisample FBO issue with 16-bit float buffer (#756)

* Fix DirectX 9 crash when resizing vertex buffer in certain ways (#824)

* Workaround for infinite loop in Triangulator for certain polygons (#737)

* Fix dcparser issue with unpacking uint64 and int64 (#751)

* Fix ability to compile dcparser outside of the Panda3D codebase (#759)

* Fix all direct.stdpy.threading2 threads behaving daemonically (#758)

* direct.stdpy.threading2.Thread instances provide daemon and name properties

* Workaround for Tkinter crash on Windows when resizing window (#586)

* Fix possible stack overflow when reading many bytes from a stream (#754)

* Fix mouse confinement region on Windows not updating on window resize (#727)

* Fix mouse confinement being lost on Windows when window loses focus (#729)

* Support adjusting particle birth offset time (#769)

* Support building against OpenEXR 2.4 on Windows (#799)

* Fix ability to pass a tuple to loader.loadModel

* Fix an issue in interrogate with generating C bindings (#722)

* Fix a variety of ABI compatibility issues with NDEBUG builds

* Fix static linking of harfbuzz and freetype in makepanda

* Fix ability to specify --python-incdir and -libdir to makepanda on macOS

* `ls()` and `bam-info -ls` now list included animations

* Fix white ambient color when loading PBR materials from .bam/cache (#828)

* Fix inconsistent behavior when passing small values to shader inputs (#827)

* Fix very rare NVIDIA driver crash when mixing GLSL and Cg shaders

* Fix issue passing unicode to DirectScrolledList (#752)

* Fix interrogate parser issue with function-like macro expansion

* Interrogate now finds types nested in explicitly specialized template class

* Improve performance reading all data from a file with direct.stdpy.file

* PandaSystem now records whether libc++ or libstdc++ was used on macOS

* makepanda.bat now builds against Python 3.7 by default

* Many improvements to API documentation

* pandac/input/*.in interrogatedb files are now included in .whl builds

* Fix division exception in ServerRepository (#762)

* Fix ShaderBuffer contexts not being cleared at GSG destruction

* Fix DirectOptionMenu item text scale reset on item unhighlight (#768)

* Python particle classes now have snake-case aliases

* Fix crash printing out cached buffer contexts

* Rudimentary, experimental, low-level handling of digitizer input devices

------------------------ RELEASE 1.10.4.1 ---------------------

This release fixes only one critical regression: calling destroy()

on a DirectGUI item would cause an exception.

------------------------ RELEASE 1.10.4 -----------------------

This release fixes a regression with DirectScrolledList in 1.10.3,

fixes various other bugs, and introduces a few minor features.

* Fix exception trying to create DirectScrolledList

* Fix flickering in DirectScrolledFrame and other scissor issues (#681)

* Experimental support for Python 3.8

* Support adding icons to deployed applications

* Support non-affine (eg. projective) transforms in calc_tight_bounds

* Allow setting notify-output after initial import

* Fix macOS issue locating Panda3D using Python 2.7.13+ from python.org

* Support for Maya 2019

* On Windows, pip is now installed by the installer (#690)

* Fix Actor.makeSubpart on models with pre-bound animations (#647)

* Properly interrupt task manager if first task chain raises error (#692)

* Fix return value of encrypt_string in Python 3 (#684)

* Support writing loader plug-ins in Python

* Fix reading multiple p3d_TextureMatrix[] values from GLSL shaders

* Fix shader error flag not being set if GLSL compilation failed (#622)

* Add NodePath.replace_texture() convenience method

* Fix deadlock when building with SIMPLE_THREADS=1 (#704)

* Fix DirectOptionMenu cancelFrame not working inside scrolled frame (#658)

* Fix assertion when calling analyze() on geometry with strip cut index

* Implement fallback in GL renderer when F_sluminance is not supported (#693)

* Set reasonable limits for sliders in ParticlePanel

* Fix for DirectEntry autoCapitalize feature on Python 3 (#628)

* Fix various DirectGUI items not working before ShowBase is instantiated

* Work around an MSVC compiler bug in the release build

* PythonUtil.weightedChoice now raises IndexError on empty list

* Support changing DirectScrollBar width after initialiation (#699)

* Workaround for Bullet deadlock when adding shape to a scaled body (#689)

* Support setting DirectEntryScroll entry after initialization (#702)

* Fix some missing imports in directtools (#698)

* Fix undefined behavior issue when using musl-libc

* Update Eigen in Windows thirdparty packages to 3.3.7

* Update metadata of pip wheels

------------------------ RELEASE 1.10.3 -----------------------

This is another bugfix release that addresses a variety of issues

in 1.10.2 and further improves the stability.

* Fix crash when unplugging certain devices on macOS

* Fix crash on macOS when using RIME input

* Fix logging issues/crashes in apps deployed with Python 2.7

* Fix issues when starting in fullscreen on Linux/X11

* Fix mapping of several gamepads including Trust GXT 24

* Fix Linux crash when no input devices are present

* Unbreak support for matrix arrays in vertex data in OpenGL

* Allow creating multisample FBO in OpenGL with non-MS host window

* Support playing and looping compressed Ogg and WAV audio files

* Fix generation of CollisionBox for transformed geometry in .egg

* Fix Bullet rigid body transform not updating after reparenting

* Fix sporadic color scales with lighting and custom GLSL shader

* Prevent faulty shaders from shutting down GSG on some drivers

* Allow None as either argument to OdeJoint.attach()

* Fix BufferViewer when main window is not opened right away

* Properly detect extension of pz/gz compressed video/audio files

* Fix for invalid behavior of SparseArray methods to clear bits

* FilterManager now allows overriding framebuffer properties

* Fix detection of core-only OpenGL profile on some drivers

* Add gl-forward-compatible config var for OpenGL context creation

* Add paste-emit-keystrokes variable to disable Ctrl+V on Windows

* Fix in-place |= operator on Panda types (such as SparseArray)

* Fix rare FFmpeg "bad src image pointers" errors after seek

* Fix uses of types.InstanceType in some obscure direct functions

* Fix capsule-into-sphere collision test in degenerate case

* KeyboardButton.ascii_key now also accepts a str character

* Fix errors in various Tkinter DIRECT widgets

* Expose save_egg_file/save_egg_data functions in Python API

* Fix assertion error in BoundingBox.set_min_max

* Fix typo in CollisionTraverser.respect_prev_transform property

* Properly install Python bindings when building FreeBSD installer

------------------------ RELEASE 1.10.2 -----------------------

This release fixes several more bugs, including a few regressions

in 1.10.1. Upgrading is highly recommended.

* Fix regression on Windows causing freezes and instability

* Fix a memory leak issue in Python applications

* Fix crash reading unaligned float4 column in GeomVertexReader

* Fixes for switching to fullscreen at runtime on Windows and Linux

* Fix incorrect display mode listing in some Linux distributions

* Fix threading crash on Linux when using get_keyboard_map()

* Support "from __future__ import division" for Panda types

* Support building with Visual Studio 2019 in makepanda

* Work around Assimp crash when loading multiple .ply models

* On Windows, a Python 3-compatible version of Pmw is included

* Fix ParticlePanel spam when hovering over File menu items

* TexMemWatcher has been fixed for Python 3

* Prevent macOS window getting stuck after base.destroy()

* Fix assertion setting mass before shape with Bullet debug build

* Don't error if DirectScrolledFrame is destroyed twice

* Fix reference count corruption accessing task.__dict__

* Fix writing to SequenceNode frame_rate property

* Fix collider sort not copied when copying CollisionNode

* Add OpenCollective backer file

------------------------ RELEASE 1.10.1 -----------------------

This is a bugfix release intended to fix several issues in 1.10.0.

* Fix crashes when gamepad is plugged in on 32-bit Windows

* Fix deploy-ng error regarding 'exist_ok' on Python 2

* Fix Linux install from pip not working with some mesa drivers

* Fix compatibility issues with upcoming Python 3.8

* Fix regression with Audio3DManager.setSoundVelocityAuto()

* Fix issues when awaiting loader.loadModel in Python 3.7

* Audio3DManager accepts tuple in setSoundVelocity/setListenerVelocity

* Fix lighting being disabled when only an AmbientLight is active

* Fix an error saving from Particle Panel in Python 3

* Depth buffer now defaults to 24-bit on macOS (fixes flickering)

* Fix no devices being detected on Windows with threading-model

* Implement collision tests from Capsule and Box into InvSphere

* Fix odd behavior and occasional crash in QuatInterval

* Fix SpriteAnim error in particle system

* Fix ShaderGenerator error when using too many shadowing lights

* Fix interrogate crash in Python 3 with optional wstring args

* Fix compilation errors for x86 Android platform

* Fix permissions of directories created by installpanda

* Improvements to API reference documentation

* Fix incorrect features printed out when printing an InputDevice

* Support cross-compiling for Android platforms in makepanda

* Work around various bugs when compiling with OS X 10.7's libc++

* Fix wrong error sometimes being reported when loading plug-in

* Allow getting NodePath from CullTraverserData object

* Add config options to Assimp loader for generating normals

* Fix multisampling in floating-point framebuffers on OpenGL

* Parse egg files with 4-component tangents (must be 1 or -1)

* StencilAttrib.make() write_mask argument is now optional

------------------------ RELEASE 1.10.0 -----------------------

This is a major release with significant changes. Please review the

changes when upgrading. The list below is by no means exhaustive, but

should contain the most important changes.

General

* Experimental ability to build for Android

* New input framework to natively support gamepads, joysticks, etc.

* Multi-threaded render pipeline is a lot more stable now

* New setuptools-based deployment pipeline

* Improvements to mouselook smoothness

* Cache is now at $XDG_CACHE_HOME/panda3d (~/.cache/panda3d), not ~/.panda3d

* Addition of unit test suite

* Many improvements to thread safety

* Many performance improvements

* Tons of bugfixes

* Big style cleanup of C++ source code

Python API

* Complete support for Python 3

* Support for coroutines and async/await

* Property interfaces have been added for many settings

* More flexible handling for keyboard arguments in C++ APIs

* Python bindings are completely separated out of the C++ libraries.

* Interrogate binding generator has many improvements.

* Use of pandac.PandaModules is discouraged, use panda3d.core et al

* Use of libRocket is discouraged due to lack of Python 3 support

* Tasks are now sorted in addition order when lacking a sort value

* Fixes iris/fade transitions for extreme aspect ratios

* WeakNodePath is now exposed to Python

* WindowProperties.size(x, y) deprecated; use WindowProperties(size=(x, y))

* Calling bare run() is deprecated, use base.run() instead

* downcastTo*() methods have been removed, they were already no-ops

Rendering

* Add new shader-based terrain rendering method (ShaderTerrainMesh)

* The default ColorAttrib mode is now T_vertex

* The ColorAttrib T_off mode now properly disables vertex colors entirely

* Make handling of color attributes more consistent between renderers

* Ability to create an OpenGL core profile context; set "gl-version 3 2"

* Experimental support for reverse-Z rendering for best depth precision

* sRGB framebuffers supported more widely

* Support for infinite near/far clip in lens

* Add some PBR material parameters to material class

* Addition of more built-in GLSL shader inputs; see manual.

* Add p3d_FragData[] GLSL output for MRT in GLSL 1.30

* Add flag enabling vertex shader control over point size

* Support signed ints and double-precision floats in vertex data with GLSL

* Support unsigned 11/10/10-bit floating-point textures and vertex data

* Support for SSBOs via ShaderBuffer class

* Support OpenGL FBO buffers without any attachments

* Support passing uint variables to GLSL shader

* Allow rendering objects with empty vertex data (for vertex pulling)

* Add LogicOpAttrib, for supporting logical operator blending

* Improvements to OpenGL ES support

* Support for geometry with adjacency information

* Change default alpha blending to improve blending rendered result

* New method for obtaining native OpenGL texture object

* Support windowless offscreen rendering on macOS

* Panda resets OpenGL state better before and after draw callbacks

* OpenGL renderer better supports debugging tools like apitrace

* Support fixed-depth billboards, useful for 2D tags that don't change size

Shader generator

* Significant performance improvements

* Support for point light shadows

* Hardware skinning support

* Changes to match fixed-function pipeline better

* Fixes for normal vector normalization

* Support multiple normal maps (uses Reoriented Normal Mapping)

* Tracks modifications to materials and texture stages automatically

Lighting

* Allow specifying light color based on color temperature

* Setting specular color of a light separately is deprecated

* New GLSL inputs to make implementing lighting in shaders much easier

* Add representation for sphere light and rectangle light

* Efficiency improvements for passing light information to shader

* Interocular distance for shadow cameras now always defaults to 0

* Add low-level lighting module from RenderPipeline

Textures

* Support cube map arrays

* Support buffer textures

* Many more texture formats supported

* BC4 and BC5 compression modes supported

* Proper depth textures supported in DirectX 9 renderer

* set_ram_image(_as) directly supports buffer protocol

* TexturePeeker supports more formats and component types

Text

* Dramatic improvements to text rendering performance

* Support for HarfBuzz for higher-quality text shaping and kerning

* Support for right-to-left text

* Support for signed-distance-field rendering in egg-mkfont

Audio/video

* The default unit for audio is now 1 meter for each Panda unit.

* Native .flac loader

* Support videos with alpha channel in ffmpeg

* OpenAL stability improvements, especially on macOS

* Support loading .opus files with libopusfile

* Fix various memory leaks

Physics / collisions

* CollisionTube is renamed to CollisionCapsule.

* Box-box collision test is improved to work well with the Pusher

* More box tests for collision system: box-into-plane, box-into-poly

* Capsule (tube) can be used as "from" shape into plane, sphere, capsule, box

* Bullet objects are serializable to .bam files.

* Bullet bindings are now thread safe.

* Bullet debug drawer is more efficient; no longer inherits GeomNode.

* Various fixes to bullet vehicle wheel synchronization

* PhysX bindings are deprecated.

Pipeline / loading

* Support for Assimp library to load a broad variety of model formats

* Ability to specify min-lod, max-lod, lod-bias in .egg file

* Egg file materials support PBR-style material parameterization

* Support loading more DDS files, including DX10-style ones

* Add support for OpenEXR and HDR textures

* Support line/point thickness in bam2egg

* bam2egg no longer inserts a vestigial ModelNode at the top

* bam2egg supports depth test, offset, cull bin attributes

* Accept a .gz file wherever a .pz file is accepted

* egg-palettize supports mirror and border-color wrap modes

* More robust checks against memory corruptions when loading bad .bam files

* Support for Maya 2017 and 2018

* Support preprocessing GLSL shaders created with Shader.make

Build

* We now require using MSVC 2015 or 2017 to compile on Windows.

* At least GCC 4.8 is now required.

* With GCC/clang, enabling C++11 is now required.

* Allow building with more recent ffmpeg versions

* Support for old FFMpeg versions (before 1.1) dropped.

* The ppremake build system has been removed.

* Support for OpenSSL versions before 0.9.7 has been dropped.

C++

* Use of NULL is replaced with nullptr

* WeakPointerTo now requires use of lock() method for thread safety

* Mutex et al now satisfy C++11 Lockable constraints

* Panda headers no longer contain `using namespace std;`

* PN_int32 et al have been removed, use stdint.h types instead

* The need to link with pystub and add Python include dirs is removed.

------------------------ RELEASE 1.9.4 ------------------------

One of the bugfixes in the last 1.9.3 release introduced a regression,

therefore it was decided to make another 1.9.x release.

* Fix 1.9.3 regression with generating geometry in threaded pipeline

* Various compile warning fixes

* Fix occasional crash in PNMImage::quick_filter_from()

* Fix issue taking screenshots from an OpenGL FBO buffer

* Fix various issues with MeshDrawer

* Fix issue with collision sphere generation in bam2egg

* Fix compile errors with more obscure Python configurations

* Fix assert when using Texture.load_sub_image to load whole image

* Fix fsm FourState

------------------------ RELEASE 1.9.3 ------------------------

This issue fixes several bugs that were still found in 1.9.2.

* Fix crash when using homebrew Python on Mac OS X

* Fix crash when running in Steam on Linux when using OpenAL

* Fix crash using wx/tkinter on Mac as long as want-wx/tk is set

* Fix loading models from 'models' package with models/ prefix

* Fix random crashes in task system

* Fix various race conditions causing threading issues

* Fix memory leaks in BulletTriangleMesh

* Fix loading old models with MovingPart<LMatrix4f>

* Improve performance of CPU vertex animation somewhat

* Show framebuffer properties when fbprop request fails

* Show error instead of crash on use of object before __init__

* Fix hang on exit when using Python task on threaded task chain

* Fix inability to get RGBA renderbuffer in certain cases

* Work around GLSL issue with #pragma and certain Intel drivers

* Improve performance of texture load and store operations

* Fix crashes with pbuffers on Intel cards on Windows

* Support for Autodesk Maya 2016.5

* Add shadow-depth-bits config var to control shadow map depth

* Fix cull issue when rendering cube map (or any multi-lens setup)

* Fix crash rendering with the same camera to different contexts

* Fix compile error when making static build with DX9 renderer

* Fix assertion when using aux render targets in DX9

* Work around Cg bug generating invalid ASM for saturated tex loads

* Fix issues with certain Cg shader inputs in DX9

* Support uint8 index buffers in DX9

* Fix occasional frame lag when loading a big model asynchronously

* Fix interrogate parsing issue with "const static"

* Add back missing libp3pystub.a to Mac OS X SDK

* Fix RAM caching of 2D texture arrays

* Fix Ctrl+C interrupt propagation to runtime applications

* Support for InvSphere, Box and Tube solids in bam2egg

* Preserve "intangible" and "level" collide flags in bam2egg

* Add normalized() method to vectors

* asyncFlattenStrong with inPlace=True caused node to disappear

* Fix asyncFlattenStrong called on nodes without parent

* Fix is_playing() check when playing an animation backwards

* Windows installer no longer clears %PATH% if longer than 1024 chars

* Fix inoperative -tbn/-tbnall/-tbnauto options in egg-optchar

* Fix tinydisplay texture errors on shutdown

* Fix mipmap filtering issues in tinydisplay renderer

* Fix exception when creating intervals before ShowBase is started

* Fix rare X11 .ico cursor bug; also now supports PNG-compressed icons

* Add keyword argument support to make() methods such as Shader.make()

* Fix compilation errors with Bullet 2.84

* Fix exception when trying to pickle NodePathCollection objects

* Fix error when trying to raise vectors to a power

* GLSL: fix error when legacy matrix generator inputs are mat3

* Now tries to preserve refresh rate when switching fullscreen on Windows

* Fix back-to-front sorting when gl-coordinate-system is changed

* Now also compiles on older Linux distros (eg. CentOS 5 / manylinux1)

* get_keyboard_map now includes keys on layouts with special characters

* Fix crash due to incorrect alignment when compiling Eigen with AVX

* Fix crash when writing 16-bit .tif file (now silently downsamples)

------------------------ RELEASE 1.9.2 ------------------------

This is a minor bugfix release, fixing a few minor issues that

remained in the 1.9.1 release, including:

* Fix compile errors with more recent versions of ffmpeg

* Include .lib files for pyd modules in Windows SDK

* packp3d now recognizes default egg-object-type definitions

* Fix issues with sphere-into-box and box-into-sphere collisions

* Texture VRAM usage is now correctly reported by pstats

* Support for reading BMP files with alpha channel

* Fix OpenGL crashes in very ancient OpenGL versions

* Fix rare compile issues and crashes with esoteric Python set-ups

* Fix crash when extracting texture that's not a multiple of 4 bytes

* Work around buggy NVIDIA driver that reports _main_* shader inputs

* Add version of transform_vertices that accepts a SparseArray

* Clamp shininess to 0 to avoid GL error when shininess < 0

* Fix various bugs in RopeNode and NurbsCurveEvaluator

* Fix clock-mode Config.prc settings

* NodePath render_mode setters no longer reset wireframe color

* Fix constant reloading of texture when gl-ignore-mipmaps is set

* BamReader now releases the GIL (so it can be used threaded)

* Fix AttributeError in direct.stdpy.threading module

------------------------ RELEASE 1.9.1 ------------------------

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

------------------------ RELEASE 1.9.0 ------------------------

This is a major release with many exciting new features!

Beware of bugs.

The list below contains a subset of the changes introduced:

* We now offer 64-bit Windows and Mac OS X builds.

* Switch to MSVC 2010; no more assembly manifests.

* Cocoa port for better Mac OS X support, esp. newer versions.

* We now compile the Python modules into panda3d/*.pyd modules;

no more imp.load_dynamic hackery needed.

* Support for GPU profiling in OpenGL, see pstats-gpu-timing

* sRGB framebuffers, see framebuffer-srgb

* sRGB texture support, see Texture::F_srgb et al.

* Integer vector support, including passing to shaders

* Native .ogg vorbis and .wav loader (does not require ffmpeg)

* FFmpeg support is a separate plug-in module now, libp3ffmpeg.

* Sample programs are now part of the source code repository

* Can be built with Python 3 (highly experimental)

* Improvements to Windows installer

* M_filled_wireframe rendering mode

* Support specifying sampler state separate from textures

* Support for bindless texture clearing

* Texture LOD bias and min/max LOD settings

* Framebuffer properties allows separate red/green/blue bits

* Explicit float color and float depth specification in fbprops

* Coverage samples settable via FrameBufferProperties

* Stereo buffer implementation in OpenGL via FBOs

* Support enumeration of pixel formats in WebcamVideo

* Frame rate meter can be configured to show milliseconds

* Changes to improve font crispness with default settings

* Fix assertion error when using more than one GraphicsEngine

* raw-w, raw-a, etc. keyboard events for layout-independent input

* Allow querying active keyboard layout via win.get_keyboard_map()

* Distinguish between lmeta and rmeta keys on Mac OS X

* Floating-point image manipulation API, support float tiffs

* Various new 16-bit and 32-bit and int texture formats

* Man pages are now available for the majority of utilities

Pipeline:

* Fix bugs with <Collide> group transformations in .egg

* Don't create unnecessary intermediate node when loading .egg

* bam2egg supports materials, and correctly converts animations

* dae2egg has some skeletal animation support

* Support Maya versions up to 2015

OpenGL renderer changes:

* Error checking is now OFF by default for performance reasons,

set gl-check-errors or gl-debug to true to enable.

* GL 4.2 shader_image_load_store support (incl. multi-bind)

* Layered render-to-texture (using geometry shaders)

* Seamless cube maps (on by default), see gl-cube-map-seamless

* Added gl-debug for improved debug output support

* Added GL object labels when gl-debug is enabled

* gl-dump-compiled-shaders can be used to dump program binaries

* Direct3D-style NT_packed_dabc vertex arrays now directly supported

* Native rendering of line strips, using primitive restart

* Immutable texture storage support (disabled by default)

* Bindless texture support (disabled by default)

* Specular component is now computed separately in FFP

Shader system:

* Support for tessellation shaders

* Support for compute shaders via ComputeNode

* GLSL preprocessor with "#pragma include" support

* Much better coverage of shader inputs in GLSL

* GLSL error messages now show source filename

* Fixes apiclip_of_x shader inputs

* Matrices can be passed directly to setShaderInput

* Support binding images to shaders

* Viewport array support

Optimizations and performance improvements:

* Use of C++11 move semantics to reduce refcounting overhead

* Build with Eigen by default for faster linear math

* Dramatic overhead reduction of generated bindings

* Streamline culling process

* Tighter bounding volume generation

* Take advantage of CPU features for bit operations

* Circumvent bounding volume generation when not required

* Optimizations for interned strings

* Use of GCC atomics should improve 64-bit Linux performance

API features:

* Buffer protocol support for textures and arrays

* Interrogate supports various C++11 features

* Expose TextGlyph interfaces for making custom text renderers

* Better handling of default arguments for many functions

* Cyclic references can sometimes be tracked through tasks

* ShowBase clean teardown possible

* API documentation is more accurate

* Improve interfaces for interop with other applications

Deprecated features:

* Use of pandac.PandaModules is discouraged; use panda3d.core

* Deprecate DirectStart and global run() function; use ShowBase

* Remove old decal system

* Remove Direct3D 8 renderer

* Remove M_light_vector tex gen mode and FFP-based bump mapping

Bug fixes:

* Various point rendering issues are fixed now

* Fix pview issue with 1-frame and/or multiple animations

* Fixes for multisampling in FBOs

* Fix aspect ratio of frame rate meter

* Support NaN and infinity values in Config.prc variables

* Fixes for webcams on Linux that do not output Huffman tables

* Better support for non-basic Cg shaders on non-NVIDIA cards

* Many others

------------------------ RELEASE 1.8.1 ------------------------

This is a bugfix release, fixing many issues in 1.8.0.

However, there may still be some (minor) bugs.

* Fix a host of issues related to GLSL shaders

* Fix incorrect registry entry for Python in Windows installer

* pdeploy generated binaries with wrong architecture on Linux

* Fix runtime error in pdeploy when building for Windows

* Support for Maya 2013

* ARToolKit now also works on Mac OS X

* WM_CLASS can be set using x-wm-class and x-wm-class-name

* No longer crashes when Xrandr is not supported

* Aux normals are now also normalized when no lights are applied

* Fix hidden cursor when switching fullscreen on Mac OS X

* PackageInstaller didn't add packages to system paths

* Allow disabling custom cursor on Windows

* Fix incorrect panning of 3D audio

* Fix omission of textures of non-standard format in ShaderGenerator

* Fix compile issue with newer gcc versions

* Fix circular reference held by ActorNode

* Window is now correctly centered on Windows

* Fix confusion with depth range of Lens::project()

* Now successfully compiles against recent SSL versions on Windows

* Fix incorrect Cg TEXUNIT0 binding during the first frame

* TextNode::set_text_scale now correctly scales spaces as well

* Expose AudioLoadRequest to Python (for async audio loading)

* Support for the libRocket debugger

* Fix newline entry in libRocket

------------------------ RELEASE 1.8.0 ------------------------

This is a major release, with several big new features. As such,

it is likely to contain bugs.

* True threading support now enabled in the default build

* Pipelined rendering: app, cull, and draw can run in parallel, each

in their own thread

* Web plugin is more robust, and better supports Safari and Chrome

* Plugin runs properly when the username contains non-ASCII characters on Windows

* Added appRunner.p3dFilename and appRunner.p3dUrl to provide p3d

location

* Multifiles (and p3d files) now make a distinction between binary and

text files

* OccluderNode added for explicit occlusion culling

* Ambient occlusion generation for terrain

* Fixed bug where Windows installer wipes %PATH% when it's too long

* Added fog support to the shader generator

* Added normal_gloss texture mode

* Added a custom color option to the cartoon filter

* Support for texture arrays in shaders

* Better shader support in pandadx9

* Fix some issues with cube map buffers

* Can be compiled to use double-precision floats throughout, instead

of the default of single-precision floats. (Graphics drivers still

use single-precision floats, of course.)

* Can be compiled with the optional Eigen library to provide SSE2 support

* Can be compiled with SpeedTree support

* Can be compiled on MSVS2010, and/or Win64. (These builds not

provided by default.)

* Support for the Bullet physics engine

* Support for the libRocket GUI library

* Support for stereo/multiview textures

* Substantial performance improvements to movie textures

* TGA files with alpha channel now load correctly

* New "Ramdisk" mount type available for the VFS

* The VFS is now writable for ramdisk files and true on-disk files

* pdeploy -i generates a custom icon for the installed game

* wx and tk work better on OSX

* Panda windows can be embedded within wxPython windows on all

platforms (including OSX) with the new WxPandaWindow class

* Added base.pixel2d for pixel-based 2-D coordinates

* Python-based swizzling of Panda vectors, e.g. vec2.xyxy

* Python programmers can now optionally use the original unmangled C++

name for methods and classes, e.g. model.set_pos(LPoint3f(1, 2, 3)).

* Command-line filename globbing now supported on Win32, e.g. egg-texture-cards *.png

* DirectGui works with nonstandard coordinate-system in effect

* Egg loader handles double-sided polygons a little differently by

default now, for better render performance but more memory usage

(use "egg-emulate-bface 0" to restore the old behavior if needed).

------------------------ RELEASE 1.7.2 ------------------------

This release fixes several bugs that were found in 1.7.1.

* Fix crash on GLX implementations that have no FBConfig support

* Fix trouble with buffers on Mac OS X

* Un-break shadow samplers in Cg shaders

* Fixes for relative mouse mode on OSX

* Pdeployed apps on Windows no longer show a console window

* Fix relative file paths for license files in pdeploy

* Ppatcher no longer writes out faulty checksums

* Fix plugin failure to read from cache

* Include missing X11 extension libs in runtime distribution

* Fix disappearing windows with CEGUI's OpenGL renderer

* Fixes for makepanda on FreeBSD

* Fix LightRampAttrib crash

* Fix bug with two-parameter Lens::set_fov

------------------------ RELEASE 1.7.1 ------------------------

This release introduces several significant bugfixes,

but also introduces various minor new features. Although

it is a minor release, it may also introduce new bugs.

* Many improvements and bugfixes to pdeploy

* Vectors now support swizzle/write masks (e.g vec.xz)

* Fixes for depth buffer instabilities on Windows

* Better webcam support on Linux using Video4Linux

* Custom cursor support in X11

* Static functions that return a list are now properly wrapped

* ODE objects now have getId() exposed to Python

* NodePath.findMaterial now works properly

* Remove unnecessary dependency on GLU

* Arithmetic operators to PNMImage

* Various OpenGL ES-related bugfixes

* Support for EGL and OpenGL ES in makepanda

* Fix a crash with the Maya converters

* Include missing p3d tools on Windows

* Include tinyxml as part of the source

* Updates to PandAI

* Compile issues with latest OpenSSL fixed

* Fix static-init ordering issues with OpenSSL

* Several other bugfixes and features not listed here

------------------------ RELEASE 1.7.0 ------------------------

This major release introduces tons of cool new features. As it

is highly experimental, it is not recommended for production use.

* Support for running Panda3D apps in a browser via web plugin

* Fully automatic shadow mapping

* Easy to use distribution and packaging framework

* Integrated support for NVIDIA PhysX

* Support for GLSL shaders

* Geometry shaders, both in Cg and GLSL

* Improved Cg support

* Hardware geometry instancing support

* Runtime fullscreen toggle

* Unix/X11 resolution querying/switching support

* Experimental Unix/X11 support for relative mouse mode (via xf86dga)

* New, cleaner import conventions, replacing PandaModules

* Parallax mapping

* Support for OpenGL ES 1 and 2

* Experimental Screen Space Ambient Occlusion

* New collision solid: box

* Working FreeBSD support

* Blur / Sharpen postprocessing filter

* Many improvements to the Shader Generator

* Fixes and improvements to DistributedObject network system

* New AI libraries

* Added MeshDrawer2D

* Most Panda objects now work with the pickle/cPickle and copy modules.

* Windows build now compiled for Python 2.6

* Tons of new features and bugfixes

------------------------ RELEASE 1.6.2 ------------------------

This is mainly a bugfix release. Also fixes some bugs that

were accidentally introduced in 1.6.1.

* Fixed a static-init issue in ptloader on Windows

* Fixed texture scaling issue when using buffers

* x2egg is no longer broken

* Threading in OSX build fixed

* Fixed issue with flickering colors in Shader Generator

* Eggcacher now uses less RAM

* Missing 'models' dirs in packpanda games fixed

* Eggcacher step in Panda3D installer is now optional

* Fixes broken shortcut links in Start Menu on Windows

* Shader Generator now supports clip planes

* Bug with combine modes in Shader Generator fixed

* Fixed bug with Texture::make_copy()

* Bug with Actor LOD fixed

* Fixed bug with missing geometry in Collada converter

* OdeUtil.collide instability fixed

* OdeBody setData/getData methods exposed to Python

------------------------ RELEASE 1.6.1 ------------------------

This release fixes some bugs found in 1.6.0, and adds some

minor features as well.

* Threading layer is now enabled by default

* cTrav.showCollisions fixed

* Fixed broken MovieTexture

* OpenAL is now stable on Linux, too

* OpenAL now supports dynamic playrate changing

* MayaPandaTool now handles NURBS correctly

* Fixed particle panel and directtools bugs

* Fix crash with collada exporter on Windows

* ARToolkit jittering fixed

* Now possible to override shader vertex/fragment profiles

* Maya exporter fixed on OSX

* Fixed depth texture crash for padded textures

* Fixed bug that made OdeUtil.collide return empty geoms

* Fixed crash with render.flattenStrong() when using trackball

* Several improvements to the ODE layer

* Performance improvements to GeoMipTerrain

* GeoMipTerrain.setBorderStitching to fix seams between terrains

* installpanda.py for installing Panda on Linux without deb/rpm

* Several other minor bugfixes

------------------------ RELEASE 1.6.0 ------------------------

This release introduces several major new features and

significant bugfixes. It is likely to be buggy, like most

x.x.0 releases.

* Lightweight threading framework without runtime overhead