History

V1.6

• Physically based rendering shaders, techniques, renderpaths and example materials / demo scene.
• AngelScript support on Emscripten and 64-bit iOS, based on generic bindings.
• JSON load/save option for scenes, nodes and materials.
• Tags added to nodes & UI elements.
• EventProfiler subsystem.
• Improved mouse mode handling on Emscripten.
• Texture2DArray class added.
• RibbonTrail class added.
• Variance shadow mapping option.
• Normal offset option as an alternative to reducing self-shadowing artifacts.
• Arbitrary (freeform) vertex declarations. Legacy bitmask based vertex declarations emulated using them.
• API-independent graphics class headers. Should ensure Urho library ABI compatibility between builds made on different APIs.
• PackageFile support also on Android from within the .apk.
• Optional additive animation blending mode. Based on calculating difference from the bind pose on the fly.
• Directional billboard mode.
• Fixed screen size option for billboards & Text3D.
• Rendering scale added to UI.
• Context-wide global variable implementation. Replaces the previous script-only global variables mechanism.
• Aggregate initializers for containers.
• C++11 binding to Urho events using std::bind.
• C++11 variadic template version of SendEvent().
• 64-bit integer support in Serializer / Deserializer.
• Template versions of math functions.
• Container class API improvements.
• SharedPtr / WeakPtr implicit upcasting support.
• Matrix2 class.
• Rename escape key name to KEY_ESCAPE for consistency with SDL.
• Make keycodes lowercase for consistency with SDL.
• API to get joysticks by name.
• Detect number of CPU cores on Emscripten if possible.
• Utilize SDLActivity's get arguments feature.
• Configurable minidump write location.
• Engine parameter for enabling/disabling high DPI window mode.
• Skip using the engine frame limiter on iOS when targeting 60 fps or above, to prevent erratic frame rate from sleep calls.
• Text effect enhancements.
• TmxFile2D & SpriteSheet2D improvements.
• Sprite2D edge offset parameter for removing bleeding artifacts.
• Drawable2D distance sorting.
• Interpolation mode IM_NONE (no interpolation) added to ValueAnimation.
• Segmented PhysicsWorld ray query for performance optimization.
• Hit fraction added to physics cast results.
• Allow custom collision shape subclasses & custom Bullet collision configuration.
• Expanded data returned from NavigationMesh path queries.
• Clone() added to Technique, ParticleEffect & ParticleEffect2D classes.
• SetFontSize() added to Text & Text3D.
• IntRect / IntVector2 setters & getters added to XMLElement.
• TryAcquire() added to Mutex class.
• Vector2 Angle() function added.
• StringUtils ToInt() & ToUInt() take an optional base parameter.
• Convenience function Context::CreateObject<T>.
• Convenience template version of ReleaseResource().
• Allow Vector4 to substitute for Color in Variant::GetColor().
• Additional Variant types can function as parameters for AngelScript function / method calls.
• Improve FixedUpdate event to allow it to originate from either PhysicsWorld or PhysicsWorld2D.
• Particle effect, animation playback & sound playback finish events.
• CrowdAgent emits events also from its node.
• Event sent after cloning a Node or Component is done.
• b2Contact pointer added to PhysicsWorld2D collision events.
• Execute DelayedStart() before FixedUpdate() if FixedUpdate comes sooner than the first Update.
• Allow updating AnimatedModel's bone bounding box manually.
• Texture SetData() functions modified to use raw Image ptr for consistency and script bindings simplicity.
• Graphics::SetDither() for controlling backbuffer dithering, relevant on mobiles with 16bit backbuffer.
• Graphics::Draw() & DrawInstanced() overload with base vertex index.
• UIBatch::AddQuad() with arbitrary positions & UVs.
• Use glReadPixels() to get pixel data from rendertargets on GLES.
• Highp precision used for GLES shadows.
• Change deferred shaders to use proper world space to be easier to understand.
• Send ElapsedTime uniform to UI rendering.
• Allow overriding culling mode in a pass.
• SendEvent renderpath command that can be used to interleave custom low-level rendering.
• TRANSLUCENT lighting option in shaders, which takes absolute value of N dot L.
• NOUV shader option added for D3D11 compatibility when model data does not contain UVs.
• Buffer variants supported as shader parameters; will be interpreted as an array of floats.
• View & inverse view uniforms supplied to shaders. Obsolete camera rotation uniform removed.
• Skydome shader & technique added.
• Optional object index vertex attribute that can be used by custom instancing schemes.
• Optional additional per-instance Vector4 data, supplied to the shaders as extra texcoords.
• Logging of D3D9 / D3D11 HRESULTs and proper failure check discipline for D3D object creation.
• Improved occluder sorting.
• Optimize to not render invisible View3Ds.
• Optimized Image::Clear() for RGBA case.
• Optimized SinCos() function added to speed up e.g. billboard calculations.
• Optimized IsPowerOfTwo() function.
• Optimization to amount of Frustum::UpdatePlanes() calls in rendering.
• Update to Civetweb 1.7.
• Update to GLEW 1.13.0.
• Update to libcpuid 0.2.2.
• Update to LuaJIT 2.1.0.
• Update to LZ4 r131.
• Update to nanodbc 2.12.4.
• Update to pugixml 1.7.
• Update to SDL 2.0.4.
• Update to SQLite 3.13.0.
• Update to stb_image 2.12, stb_image_write 1.02, stb_rect_pack 0.08 & stb_vorbis 1.09.
• Use Readline library if available for Lua & SQLite.
• Generic ARM on Linux platform support.
• Android NDK r11 & r12 support.
• Reduce exposure to SDL headers from Urho's headers.
• Support for Codelite CMake invocation.
• Improved multiarch support in auto-detection.
• Scaffolding rake task improvements.
• Build speedup improvements.
• Avoid SDL when building mini Urho3D for PackageTool.
• Avoid hardcoding sample list in build script.
• Output option in PackageTool.
• Enhance Urho3D-CMake-common module to auto find Urho3D library.
• Automatical bumping of year in the source code when crossing to a new year.
• Move to use subtrees for some thirdparty libraries.
• For downstream use: auto detect Urho3D lib type from build artifact.
• Refactored mechanism to detect CPU instruction extensions for build.
• Set PCH flags at target level, not compile unit level.
• Perform cleanup when installing headers to the build tree.
• try_run logic to auto-discover build options.
• try_compile mechanism to verify ABI compatibility of found Urho3D library.
• SDL build options added: PulseAudio, EGL, Wayland, Mir.
• LuaJIT related build fixes.
• Eliminate the need for KNET_UNIX define.
• Enable class index in documentation.
• Editor: if original node selected when pasting, do not paste as its child, but rather behave similarly as if performing a Duplicate action.
• Editor: particle editor improvements.
• Editor: node & UI element tag editing.
• Editor: use fixed size billboards for the debug icons.
• Editor: add gamma correction & HDR rendering toggles.
• Editor: reorder components, nodes & UI elements by holding down Ctrl when drag-dropping.
• Editor: fix sharp edges in UI when opacity is reduced.
• Editor: fix "is enabled" checkbox moving to wrong location when node is edited.
• AssetImporter: allow saving animations without actual skinned geometry.
• AssetImporter: allow saving a subset of an animation.
• AssetImporter: generate non-deforming skinning information when a model has non-skinned subgeometries.
• AssetImporter: support multiple color & UV channels.
• Fix various missing script bindings & missing export specifiers for classes.
• Fix various uninitialized variables.
• Fix hardware shadow support always returning false on OpenGL after the Graphics headers refactor.
• Fix wrong UV index in drawable OBJ export.
• Fix backbuffer not getting cleared when just UI & texture viewports are being rendered.
• Fix DirExists() on Android.
• Fix potential crash when using MessageBox from C++.
• Fix erroneous fog shader uniform being set in some rendering cases.
• Fix serialization of localized Text elements.
• Fix use of deprecated usleep() function in favor of nanosleep().
• Fix UI slider knob behavior when it's fixed size.
• Fix toggling mouse visibility right at application start.
• Fix instancing in HLSL water shader.
• Fix Android / iOS reporting mouse as grabbed.
• Fix update event subscription in Material class.
• Fix window getting maximized after fullscreen -> windowed change on Windows + SDL 2.0.4.
• Fix bogus SDL joystick registration on Android.
• Fix AngelScript ScriptInstance variable hot reload. Removes the need for a specific implementation from the editor.
• Fix OgreImporter animation save & Jack's walk animation.
• Fix incorrect enemy orientation on spawn in NinjaSnowWar.
• Fix insertion of further drawable updates during threaded drawable update.
• Fix runtime DLL not being installed to tool directory.
• Fix Emscripten performance loss due to enabling SSE mode incorrectly.
• Fix ODBCConnection compile error on windows.
• Fix incorrect terrain index data generation.
• Fix AssetImporter to handle potential multiple root node situations better.
• Fix incorrect 2D drawable culling optimization.
• Fix transform applying order for parented 2D rigidbodies.
• Fix incorrect rendering caused by not updating shader parameter has when a material is cloned.
• Fix FileWatcher getting in stuck on read() on Linux.
• Fix WorldToHeightMap() in Terrain.
• Fix 2D particle emitter potentially causing memory overwrite by emitting more particles than allocated.
• Fix culling issues when non-master AnimatedModels are larger than the master.
• Fix potentially incorrect viewport update order.
• Fix D3D11 dynamic textures to use only 1 mip level, as more does not work.
• Fix SDL Windows-specific mouse move internals not working in some cases (e.g. without Aero) leading to wrong relative mouse input.
• Fix basepath not being applied to file entries in PackageTool.
• Fix initial position of kinematic rigidbodies after being loaded.
• Fix temporary AnimatedModel's bones to be temporary as well.
• Fix SSE / ABI incompatibility related crashes with Bullet.
• Fix HasSubscribedToEvent() missing from scripting.
• Fix UI scrollbar snap epsilon attribute default value.
• Fix error in DropDownList serialization.
• Fix String::DecodeUTF16().
• Fix deploying .pak files to Emscripten samples.
• Fix UI style late applying when a child element is added.
• Fix CustomGeometry bounding box update when committing new data.
• Fix sprite textures to use clamp addressing by default instead of wrap.
• Fix depth test potentially disabled in OpenGL by third party programs such as MSI Afterburner (re-enable every frame.)
• Fix writing rendertarget inverse size uniforms incorrectly (Vector2 instead of Vector4.)
• Fix off by one error in mipmap data size counting.
• Fix FindUrho3D CMake module behaving incorrectly when called more than once.
• Fix PhysicsWorld::GetRigidBodies() to use immediate contact test for static bodies.
• Fix sampling of depth buffer in read-only mode on D3D11.
• Fix ForwardDepth renderpath potentially missing depth clear on OpenGL.
• Fix DropDownList placeholder text not auto-hiding when an item is selected.
• Fix possible crash issue when exiting engine with background loaded resources still in queue.
• Fix FindDirect3D CMake code for CMake old versions.
• Fix issues with parented rigidbodies when moving them from code.
• Fix math class equality operator in SSE builds on specific Visual Studio versions.
• Fix ScreenToWorldPoint() to return the specified Z distance.
• Fix vegetation shadow shader on D3D11.
• Fix & simplify setup of the "universal" builtin target in iOS build.
• Fix build system to install/package Emscripten shared js & data files.
• Fix Application.h to be usable without other include files.
• Fix lighting interpolator order in D3D11 shaders.
• Fix node's Z coordinate not retained in 2D physics movement.
• Fix potential crash and performance issues in Octree raycasts by making them non-threaded; in practice the spin-up time for work items could override any threading benefits.
• Fix missing DelayedStart functionality in LuaScriptInstance.
• Fix point fill mode on D3D11.
• Fix input focus loss when using an external window handle.
• Fix missing D3D SDK search on VS2010 and earlier.
• Fix ABI incompatibility in BoundingBox class depending on URHO3D_SSE flag.

V1.5

• Database subsystem with either SQLite or ODBC support.
• Localization subsystem.
• Improved the navigation / crowd navigation API and examples.
• SSE and animation performance optimizations.
• Enable BT_USE_SSE on Linux and MinGW platforms, enable BT_USE_NEON on Android and Raspberry-Pi platforms.
• Urho3D macros such as OBJECT, EVENT, HANDLER renamed to have URHO3D_ prefix to prevent ambiguity with other libraries.
• Double support to Variant, Deserializer, Serializer & JSONValue. Store Lua object attributes accurately as doubles.
• Support for moving nodes & components between scenes, or creating components "sceneless" and moving into a scene later.
• Cubemap loading from DDS files.
• Refactored the object class registration mechanism to store the object's base class for "Is this class derived from this" queries.
• Optional "raw" Lua file loading through direct filesystem access for easier debugging.
• Configurable blend mode in renderpath quad commands.
• UV coordinates added to raycast results.
• Allow submitting bare function names instead of full signature to Execute() & DelayedExecute() in AngelScript, similar to specifying event handler functions.
• Allow negative scale for nodes.
• Culling camera optimization for viewports, to allow rendering multiple viewports with the same culling data set.
• Refactor Urho2D animation playback. Add optional Spine support (user must supply Spine runtime.)
• Refactor Urho2D sprite atlas handling.
• CollisionShape acquires model resource from StaticModel in same node automatically if collision model undefined.
• Request the high-power GPU on AMD multi-GPU setups.
• API for programmatic animation track & keyframe creation.
• Added AnimationController IsAtEnd() function.
• Added "remove on completion" mechanism to AnimationController.
• Added function to remove all components of type to Node.
• Added GetParentComponent() function to Node.
• Added resource memory usage stats to DebugHud.
• Support for ScanDir() on Android.
• Improve Variant / VariantMap bindings on Lua.
• Improve internal mechanisms for Lua bindings, e.g. store Urho3D context inside Lua state global table.
• Improve API for kNet connection stats.
• Improve AngelScript GetChildrenWithClassName() to return also derived classes.
• Improve UI tab behavior
• Improved navigation debug geometry
• Improve ConvexCast by taking into account CollisionShape's offset position & rotation.
• Spline class cleanup & improvements, including linear interpolation mode, and looping Catmull-Rom mode.
• Refactored JSONValue class to be more JSON-like.
• Material render order support within a pass.
• MM_FREE mouse mode, which disassociates cursor visibility from being confined inside the window.
• Allow doubleclick event in UI over emptiness
• Make Octree::Raycast() threadsafe.
• GetGLContext() added to GraphicsImpl on OpenGL to allow the application to perform manual context switching.
• Fixes for vertex texture fetch on D3D11.
• Allow optional forced creation of CPU-only vertex & index buffers also in non-headless operation.
• Unified texture upload behavior: half-float formats need to be provided as such on both D3D & OpenGL. Added float/half-float conversion functions.
• Automatic generation of intermediate directories in FileSystem::CreateDir().
• Warn if attempting infinite distance physics raycast. Remove erroneous infinity default value from AngelScript physics raycast bindings.
• Allow non-strict numeric type to be returned from Variant, e.g. GetFloat() succeeds for an int.
• Allow to disable PhysicsWorld or PhysicsWorld2D automatic simulation stepping during scene update. When disabled, the physics world can still be stepped manually.
• Support for manual advancing of value animations.
• globalVars VariantMap for AngelScript to allow easy cross-ScriptFile parameter passing.
• Improve ConvexCast() to return distance using the hit fraction.
• Ensure normalized vertex weights in AssetImporter, and clamp to 4 weights maximum instead of error, by dropping the smallest weights.
• Configurable layer count in DynamicNavigationMesh to control memory usage.
• Emscripten ETC1 & PVRTC extension support detection.
• Emscripten hardware instancing support.
• emscripten_get_now() for better timer precision and less CPU use.
• Disable frame limiter Sleep() on Emscripten.
• Disable audio output in C++ samples where it isn't necessary.
• Remove redundant glEnable() / glDisable() calls related to OpenGL texture types.
• Removed defined_ member variable from BoundingBox, Sphere & Rect in favor of determining the definedness from the bounds being valid.
• Invalid order checking for Lua binding overloads.
• Dangerous math class constructors marked explicit.
• Properly enabled multithreading in GCC/Clang builds.
• Emscripten toolchain & build related fixes and improvements.
• Clang tools support in the build.
• Annotator & script binding extractor skeleton tools in preparation for generated script bindings.
• Build improvements for CLion IDE.
• Support Android NDK r10e.
• Support non-PCH build.
• Support spaces in path for build.
• Install d3dcompiler DLL to bin directory for Windows / D3D builds.
• Improved Urho3D DLL installation logic.
• More user-friendly operation for missing HTML help compiler or dot.
• Symlink assets to the build binary directory.
• Allow installed sample executables to run out-of-the-box on Windows.
• Reformatting of source code to get rid of indents on empty lines.
• Script subdirectory in the engine source renamed to AngelScript.
• Option to build Urho3D without threading (URHO3D_THREADING). Normally disabled on Emscripten but can be enabled for experimental development on browsers with included support.
• Improved documentation on contributing and 3rd party library policy.
• Update AngelScript to 2.30.2.
• Update Assimp to September 2015 revision.
• Update Bullet to 2.83.6.
• Editor: setting for new node position preference.
• Editor: particle editor improvements.
• Editor: function to assign child nodes into a spline path.
• Editor: center camera on object with HOME key.
• Editor: selectable MMB functionality.
• Editor: language selector and localizations.
• Editor: Blender hotkeys mode.
• Editor: HSV color wheel.
• Editor: event handling refactoring.
• Editor: 3D debug icons.
• Editor: make showing IDs optional.
• Editor: cubemap generation support.
• Editor: export scene to .obj.
• Editor: accelerator keys for reset pos/rot/scale.
• Editor: quickmenu select topmost option with Enter key.
• Editor: local offset added to spawn editor.
• Fix missing bindings in navigation / crowd navigation script API.
• Fix missing Lua bindings for Component class.
• Fix SplinePath AngelScript bindings.
• Fix failure to add / remove obstacles due to DetourTileCache queue being full.
• Fix UI element debug draw.
• Fix quantized AABB bug with large collision meshes.
• Fix incorrect viewport size when rendering to both backbuffer & textures.
• Fix flashing of 2D sprite animations due to misreported animation length.
• Fix AssetImporter single keyframe animations.
• Fix GetData() from rendertarget textures on D3D9.
• Fix handling of lightmap textures in AssetImporter.
• Fix debug geometry rendering if backbuffer resolve was used.
• Fix blend mode of Urho2D material getting overwritten.
• Fix terrain shader quality on mobile devices.
• Fix partial rendertarget clear on D3D11.
• Fix URHO3D_PACKAGING build option on Windows shared lib build.
• Fix PackageFile::GetEntryNames() to return filenames with original case.
• Fix FXAA3 shader on OpenGL.
• Fix Depth shader on D3D11.
• Fix Blur shader.
• Fix shader code which attempts to use 3D textures on GLES.
• Fix objects getting removed from physics simulation due to zero Node scale on some axis.
• Fix line height of included SDF fonts. Fix corrupt rendering if Text3D changes font from SDF to non-SDF or vice versa.
• Fix inaccurate terrain occlusion.
• Fix ValueAnimation resource not loading properly.
• Fix RigidBody2D body type enum.
• Fix RigidBody2D & CollisionShape2D to be resilient of the add order.
• Fix Drawable2D's not using viewmask in rendering & raycast.
• Fix Quaternion::FromLookRotation() zero cross product case.
• Fix RigidBody2D custom mass handling.
• Fix multiple value children created into XMLElement.
• Fix TmxFile2D loading according to the updated Tiled spec.
• Fix integer overflow in Random() functions.
• Fix potentially unreleased Lua function references.
• Fix UIElement functions that may crash at UI deletion time.
• Fix mistaken commenting out of GLSL source code.
• Fix animation "freezing" due to model being invisible while the animation finishes.
• Fix Graphics::ResolveToTexture() on D3D11, especially for less-than-fullscreen viewports.
• Fix potential crash or error during animation event processing, if animations are added/removed.
• Fix potential null pointer access at navmesh destruction time.
• Fix not allowing collision geometry from multiple CustomGeometries in the same node.
• Fix space glyph not getting loaded in some fonts.
• Fix missing resource dependencies tracking when resource autoloading is switched on during runtime.
• Fix crash on MinGW build with SSE optimizations.
• Fix windowed / fullscreen switching on Emscripten.
• Fix missing URHO3D_API specifiers from some classes / structs.
• Fix improper rounding during TrueType loading, which would displace some glyphs.
• Fix incorrect bounding box of StaticSprite2D.
• Fix lost font texture (OpenGL only) not being handled for Text3D.
• Fix crash with CollisionChain2D with not enough vertices. Allow to create CollisionChain2D in the editor.
• Fix crash caused by querying HashMap or HashSet while it's being cleared.
• Fix erroneous hardware keyboard input on Android.
• Fix Android MIPS build.
• Fix UI element layouting changing the user-defined minimum size.
• Fix crash in 64bit build when opening the console window.
• Fix potential edge artifacts in dynamically created spritesheets.
• Fix Spine animation playback thread safety.
• Fix mouse button release while cursor hidden not releasing drag elements.
• Fix too heavy-handed skybox shader Z adjustment on GLES, which caused objects to be obscured by the skybox.
• Fix protected AngelScript class variables showing up as serializable/editable.
• Fix ResourceRefList serialization bug caused by String::Split() not returning empty strings.

V1.4

• Direct3D11 and OpenGL 3 rendering. Shader Model 2 support removed.
• Experimental Emscripten support.
• Raspberry-Pi 2 support.
• Overhauled build system with better out-of-source build support & source tree reorganization.
• Add host-tool building support for cross-compiling build which makes enabling of Lua/LuaJIT on Android build easier to configure than before and also makes new URHO3D_PACKAGING build option possible.
• Add new engine parameter to set the location of the asset/resource prefix path. This addition makes new URHO3D_MACOSX_BUNDLE build option possible.
• Add proper precompiled header (PCH) support for GCC/Clang compiler toolchains (and their derivatives).
• Add compiler cache (ccache) support to build system for host systems where ccache is installable. The support is available for both native and cross-compiler toolchains.
• Crowd navigation and dynamic navigation mesh using the DetourCrowd and DetourTileCache libraries.
• 2D rendering improvements and optimization.
• Allow materials to use any texture unit; up to 8 consecutive material texture units available for desktop graphics.
• Depth-only rendering pass and readable hardware depth support.
• Cubemap support and using programmatically defined rendertargets in renderpaths.
• Vertex and index buffer access from script through VectorBuffer.
• UI can be rendered to a texture with a renderpath command.
• Uncompressed DDS support: generic decode to 8-bit RGBA.
• Dynamic audio types instead of hardcoded.
• Dynamic cursor image type definitions.
• Added various material techniques.
• Allow reading Data/CommandLine.txt on all platforms, if Urho3DPlayer is started without parameters.
• LOD level support in Terrain collision shape.
• Reduce cost of rendering multiple materials with same shader parameter values, reduce shader switching cost on D3D9, and other rendering efficiency optimizations.
• Refactored event subscription mechanism with Lua.
• Add SpritePacker utility.
• User configurable indentation for XML and JSON files.
• Controls class moved away from Network subdirectory to allow using when Urho3D is built without networking.
• MOBILE_GRAPHICS & DESKTOP_GRAPHICS defines for graphics capability level, to avoid hardcoded platform checks.
• Remove bell sound when pressing Alt key combinations on Windows.
• 8-bit time stamp added to client controls sent over the network. Allow to intercept attribute updates from network. These features should allow writing custom clientside prediction.
• Return hit submesh index in raycast to StaticModel.
• Fill mode added to materials.
• AngelScript script objects can be stored in a Variant.
• Improved attribute registration: class name and variant type not needed.
• Add new rake tasks to facilitate configuring/generating and building Urho3D project, including downstream project using Urho3D library.
• Update PugiXml to 1.5.
• Update STB libraries to latest.
• Editor: particle effect editor window.
• Editor: sound type editor window.
• Editor: remember script attributes and restore them if a compile error occurs.
• Editor: remember custom var names globally in the editor configuration.
• Editor: button-based editor for bitmask attributes.
• Editor: duplicate operation.
• Editor: resource browser improvements.
• Editor: renderpath can be chosen.
• Editor: allow running without Urho2D compiled in.
• Editor: inspector lock.
• Editor: ensure correct gizmo size in orthographic mode.
• Editor: copy camera transform operation.
• Editor: do not allow to set a dialog modal in the UI editor.
• Fix mouse stutter by using SDL_PollEvent() instead of SDL_PumpEvents().
• Fix various missing script bindings.
• Fix missing editor grid after scene revert.
• Fix StaticModelGrup alpha materials rendering only 1 instance.
• Fix missing attribute side effects (ApplyAttributes) in attribute animation.
• Fix billboard render sorting from several views on the same frame.
• Fix editor to load UI assets from executable directory to prevent using old UI assets from user's resource directories.
• Fix UI element drag showing "not accepted" mistakenly.
• Fix WritePackedQuaternion() always returning false.
• Fix uninitialized variable in Shader class.
• Fix wrong camera aspect ratio after modifying orthographic size.
• Fix "lightvolumes" render path command not allowing custom shader defines.
• Fix AnimatedSprite2D not hiding child sprites when disabled.
• Fix missing export specifiers for some Urho3D classes.
• Fix additive particle scale modification making the particle size negative.
• Fix screen orientation issue on iOS 8.
• Fix multiple view rendering for 2D drawables.
• Fix Bullet friction on Clang compiler.
• Fix textures left bound in multiple units on OpenGL.
• Fix infinite loop in ResourceCache::AddPackageFile().
• Fix corrupt network message reception by updating kNet library.
• Fix NaN check working incorrectly on GCC.
• Fix possible wrong logic when a component is removed from a scene node, as opposed to being destroyed.
• Fix tab escape sequences in the generated script documentation.
• Fix warnings that leak into Urho3D applications.
• Fix being able to create a REPLICATED component into a LOCAL node.
• Fix negative light direction from Assimp with certain 3D file formats.
• Fix spot light FOV handling with Assimp.
• Fix incorrect partial terrain update and improve terrain update worst-case performance.
• Fix incorrect rendering to backbuffer after post-process pingponging on OpenGL.
• Fix crash when calling FixInterpolation() incorrectly on a compressed sound resource.
• Fix AngelScript compile on VS2015.
• Fix crash with null materials in 2D rendering.
• Fix kNet WinXP compatibility.
• Fix possible threaded resource load issues with XML files.
• Fix missing null checks in AnimatedSprite2D.
• Fix window drag behavior with hidden mouse on Linux; require click in window before re-enabling hidden mouse on all desktop OS'es.
• Fix erratic hidden mouse move when used together with touch input.
• Fix black screen on OSX after fullscreen/windowed switch.
• Fix incorrectly working AngelScript native calls on Clang / Windows.
• Fix building of 32-bit Linux software package on 64-bit host system and add options for build system to produce correct "LIB_SUFFIX" for 64-bit Debian and RPM packages.

V1.32

• Finalized Urho2D functionality, including 2D physics using Box2D, sprite animation and tile maps.
• Threaded background resource loading. Must be manually triggered via ResourceCache or by loading a scene asynchronously.
• Attribute and material shader parameter animation system.
• Customizable onscreen joystick for mobile platforms. Used in examples.
• Touch camera control in examples on mobile platforms.
• Touch emulation by mouse.
• Multi-touch UI drag support.
• Consistent touch ID's across platforms.
• Absolute, relative and wrap modes for the operating system mouse cursor.
• Support for connecting & removing joysticks during runtime.
• Negative light & light brightness multiplier support.
• Transform spaces for Node's translate, rotate & lookat functions.
• Scrollable console.
• Selectable console command interpreter (AngelScript, Lua, FileSystem).
• Touch scroll in ScrollView & ListView.
• UI layout flex scale mode.
• Custom sound streams from C++.
• LogicComponent C++ base class with virtual update functions similar to ScriptObject.
• Signed distance field font support.
• JSON data support.
• Matrix types in Variant & XML data.
• Intermediate rendertarget refactoring: use viewport size to allow consistent UV addressing.
• ParticleEmitter refactoring: use ParticleEffect resource for consistency with ParticleEmitter2D and more optimal net replication.
• Expose LZ4 compression functions.
• Support various cube map layouts contained in a single image file.
• Configurable Bullet physics stepping behavior. Can use elapsed time limiting, or a variable timestep to use less CPU.
• Default construct math objects to zero / identity.
• Mandatory registration for remote events. Check allowed event only when receiving.
• Teapot & torus builtin objects.
• FXAA 3.11 shader.
• Triangle rendering in DebugRenderer (more efficient than 3 lines).
• Material/texture quality and anisotropy as command line options and engine startup parameters.
• Spline math class, which the SplinePath component uses.
• Console auto-show on error.
• DrawableProxy2D system for optimizing 2D sprite drawing.
• Possibility to decouple BorderImage border UV's from element size.
• Editor & NinjaSnowWar resources split into subdirectories.
• UI hover start & end events.
• UI drag cancel by pressing ESC.
• Allowed screen orientations can be controlled. Effective only on iOS.
• Rendering sceneless renderpaths.
• Define individual material passes as SM3-only.
• Support for copying ListView text to system clipboard.
• Async system command execution.
• Generic attribute access for Lua script objects.
• Use Lua functions directly as event subscribers.
• Touch gesture recording and load/save.
• AssetImporter option to allow multiple import of identical meshes.
• Automatically create a physics world component to scene when necessary.
• GetSubimage function in the Image class.
• Possibility to clone existing components from another scene node.
• Improve terrain rendering on mobile devices.
• Refactoring of camera facing modes in BillboardSet & Text3D.
• Additive alpha techniques for particle rendering.
• Possibility to use CustomGeometry component for physics triangle mesh collision.
• Access to 2D node coordinates for convenience when using 2D graphics features.
• Save embedded textures in AssetImporter.
• Use best matching fullscreen resolution if no exact match.
• Use SDL_iPhoneSetAnimationCallback instead of blocking main loop.
• Allow fast partial terrain updates by modifying the heightmap image.
• API for setting image pixels by integer colors.
• Refactor to remove the separate ShortStringHash class.
• Deep clone functionality in Model resource.
• Zone can define a texture which is available to shaders. Not used by default.
• Allow logging from outside the main thread.
• Log warnings for improper attempts to use events from outside main thread.
• Improved CustomGeometry dynamic updates.
• ConvexCast function in PhysicsWorld.
• Screen to world space conversion functions in Viewport class.
• Allow sending client rotation to server in addition to position.
• Allow accessing and modifying the engine's next timestep.
• DeepEnabled mechanism for disabling node or UI element hierarchies and then restoring their own enabled state.
• Allow to prevent closing a modal window with ESC.
• Per-viewport control of whether debug geometry should render.
• Optional interception of resource requests.
• Readded optional slow & robust mode to AreaAllocator.
• Optionally disable RigidBody mass update to allow fast adding of several CollisionShape components to the same node.
• Runtime synchronization of resource packages from server to client.
• Disable multisample antialiasing momentarily during rendering. Used by default for UI & quad rendering.
• Glyph offset support in Font class.
• Font class internal refactoring.
• Allow to create AngelScript script objects by specifying the interface it implements.
• Window position startup parameters.
• Functions to get time since epoch & modify file's last modified time.
• Optionally auto-disable child elements of a scroll view when touch scrolling.
• Allocate views permanently per viewport to allow querying for drawables, lights etc. reliably.
• Allow to specify material techniques/passes that should not be used on mobile devices.
• Reduced default shadow mapping issues on mobile devices.
• Minor rendering optimizations.
• Build system: possibility to build Urho3D without networking or 2D graphics functionality.
• Build system: improved generated scripting documentation.
• Build system: improved support for IDE's in CMake scripts.
• Build system: support up to Android NDK r10c and 64-bit ABIs.
• Build system: numerous other improvements.
• Editor: resource browser.
• Editor: spawn window for random-generating objects.
• Editor: allow either zoom or move from mouse wheel.
• Editor: locate object by doubleclicking node in hierarchy.
• Editor: take screenshots with F11, camera panning.
• Editor: button in value edit fields that allows editing by mouse drag.
• Updated SDL to 2.0.3.
• Updated AngelScript to 2.29.1.
• Updated assimp.
• Updated Recast/Detour.
• Fix MinGW build issues.
• Fix techniques referring to wrong shaders.
• Fix Node::LookAt() misbehaving in certain situations.
• Fix resize event not reporting correct window size if window is maximized at start.
• Fix PhysicsWorld::GetRigidBodies() not using collision mask.
• Fix zone misassignment issues.
• Fix Lua not returning correctly typed object for UIElement::GetChild() & UIElement::GetParent().
• Fix uninitialized variables in 2D physics components.
• Fix quad rendering not updating elapsed time uniform.
• Fix forward rendering normal mapping issues by switching calculations back to world space.
• Fix wrong logging level on Android.
• Fix multiple subscribes to same event on Lua.
• Fix missing Octree update in headless mode.
• Fix crash when using FreeType to access font kerning tables.
• Fix ReadString() endless loop if the string does not end.
• Fix shadow mapping on OS X systems with Intel GPU.
• Fix manually positioned bones being serialized properly.
• Fix file checksum calculation on Android.
• Fix accelerometer input on Android when device is flipped 180 degrees.
• Fix missing or misbehaving Lua bindings.
• Fix crashes in physics collision handling when objects are removed during it.
• Fix shader live reload if previous compile resulted in error.
• Fix named manual textures not recreating their GPU resource after device loss.
• Fix skeleton-only model not importing in AssetImporter.
• Fix terrain raycast returning incorrect position/normal.
• Fix animation keyframe timing in AssetImporter if start time is not 0.
• Fix storing Image resources to memory unnecessarily during cube/3D texture loading.
• Fix to node transform dirtying mechanism and the TransformChanged() script function.
• Fix returned documents directory not being writable on iOS.
• Fix click to emptiness not closing a menu.
• Fix FileWatcher notifying when file was still being saved. By default delay notification 1 second.
• Fix .txml import in the editor.
• Fix erroneous raycast to triangles behind the ray.
• Fix crash when multiple AnimatedModels exist in a node and the master model is destroyed.
• Fix missing Matrix4 * Matrix3x4 operator in script.
• Fix various compile warnings that leak to applications using Urho3D.
• Fix DebugHud update possibly being late one frame.
• Fix various macros not being usable outside Urho3D namespace.
• Fix erroneous layout with wordwrap text elements.
• Fix debug geometry rendering on flipped OpenGL viewports.
• Fix kNet debug mode assert with zero sized messages.
• Fix not being able to stop and restart kNet server.
• Fix AreaAllocator operation.
• Fix possible crash with parented rigidbodies.
• Fix missing network delta update if only user variables in a Node have been modified.
• Fix to only search for June 2010 DirectX SDK, as earlier SDK's will fail.
• Fix wrong search order of added resource paths.
• Fix global anisotropic filtering on OpenGL.
• Fix animation triggers not working if trigger is at animation end.
• Fix CopyFramebuffer shader name not being used correctly on case-sensitive systems.
• Fix UI elements not receiving input when the window containing them is partially outside the screen to the left.
• Fix occlusion rendering not working with counterclockwise triangles.
• Fix material shader parameter animations going out of sync with other animations when the object using the material is not in view.
• Fix CPU count functions on Android.

V1.31

• Extensive build system improvements, especially for using Urho3D as a library in an downstream project.
• LuaJIT support.
• Improved Lua bindings, Lua coroutine support, automatic loading of compiled Lua scripts (.luc) if they exist.
• HDR rendering, 3D textures, height fog and several new post process shaders.
• Shader refactoring. Need for XML shader descriptions & ShaderCompiler tool removed.
• Reflection / refraction rendering support.
• 2D drawable components: StaticSprite2D, AnimatedSprite2D, ParticleEmitter2D.
• ToolTip & MessageBox UI elements. UI logic improvements.
• Optimized text rendering + dynamic population of font textures for improved batching.
• AngelScript DelayedExecute for free functions, and event handling for any script object, not just ScriptInstances.
• Editor: added grid, toolbar, camera view presets, camera orbit, mouse wheel zoom, multiple viewports and orthographic camera.
• Borderless window mode, possibility to change application icon.
• SDL GameController support, raw key codes support.
• Optimized shadow rendering on mobile devices. Low quality mode avoids dependent texture reads.
• HttpRequest class runs in a background thread to avoid blocking.
• Compressed package file support using the LZ4 library.
• Cone parameters in SoundSource3D for directional attenuation.
• Variant GetPtr() safety refactoring. Uses WeakPtr's to store RefCounted subclasses. Use GetVoidPtr() to store unsafe arbitrary pointers.
• Improved work queue completion events. Work items are now RefCounted to allow persisting them as necessary.
• Allow to disable automatic execution of AngelScript & Lua from the engine console.
• Added shader variations, for example ambient occlusion texture and better emissive color support.
• Added examples.
• Update SDL to 2.0.1.
• Update AngelScript to 2.28.1.
• Update FreeType to 2.5.0.
• Fix partial texture updates, both Direct3D9 & OpenGL.
• Fix long-standing audio click bug.
• Fix kinematic rigidbodies to apply impulses correctly to dynamic bodies.
• Plus many more improvements and bugfixes.

V1.3

• Lua scripting support.
• Optional build as a single external library, static or dynamic.
• Raspberry Pi support.
• 64-bit build support.
• HTTP client using the Civetweb library.
• Enhanced CMake build scripts. Android build also uses CMake. Use out-of-source build on platform that supports it.
• Rendering performance optimizations, optional StaticModelGroup component for culling and lighting several objects as one unit.
• A set of sample applications implemented in C++, AngelScript and Lua.
• Automatic node/component handle member variable serialization for AngelScript script objects.
• New UI theme.
• Shadow & stroke effects in Text & Text3D.
• Boolean shader uniforms.
• Quick menu in the editor.
• Material editor and preview in the editor.
• Editable attributes for particle emitters.
• Components are grouped into categories in the editor.
• Update SDL to stable 2.0.0 release.
• Several other improvements and bugfixes.

V1.23

• UI layout editing in the editor.
• Undo/redo in the editor.
• Recast/Detour library integration for navigation mesh generation and pathfinding.
• Open Asset Import Library update, enables FBX file support.
• "Is Enabled" attribute in scene nodes and components for an uniform mechanism to temporarily disable unneeded audiovisual, physics or logic objects.
• Script object public variables editing and serialization.
• New components: Text3D and Sprite.
• UI library functionality improvements.
• sRGB texture and framebuffer support.
• Switched to GLEW library for OpenGL extension handling.
• Vegetation and lightmapping example shaders.
• Engine configuration through a parameter map.
• Lots of refactoring, code cleanup and bugfixes.

V1.22

• Configurable render path replaces hardcoded forward/prepass/deferred modes. Render path system also used for postprocessing now.
• Threaded task priorities; long-running tasks (more than one frame) can coexist with the time-critical tasks.
• Possibility to use also RGB normal maps.
• CustomGeometry component, which allows geometry to be defined similarly to OpenGL immediate mode.
• Elapsed time shader parameter for material animation.
• Cubic environment mapping example shaders.
• Separate physics collision start & end events.
• Visual Studio 2012, Eclipse & Xcode build support.
• Many bugfixes, including iOS 6 orientation & shadow mapping bugfixes, and skinning on some Android devices.

V1.21

• Bugfixes and code cleanup.
• External window support (experimental).
• UI elements refactored to use attributes for serialization.
• Animation state editing and animation trigger events.
• Scene update time scale can be modified.
• Improved the delayed method call system.

V1.2

• Android and iOS support.
• Decal rendering.
• Terrain rendering.
• Joystick input support.
• Use SDL library for windowing and input on all platforms.
• KTX and PVR image loading (for ETC1 & PVRTC compressed textures).
• Removed need for shader preprocessing; reorganized shaders to be more friendly to base custom shaders on.
• Inbuilt geometry shapes in the editor.

V1.16

• Switched to Bullet physics library.
• More physics constraint types.
• Rendering and networking performance optimizations.
• Use Squish library to implement software DXT decompression when not supported in hardware.

V1.15

• New deferred rendering pipeline.
• Unicode support.
• Live resource reloading in the editor (Windows only so far).
• More accurate frame timing.
• Bugfixes to physics jittering and FBO performance issue on Linux.

V1.14

• Object (partial scene) load/save.
• Post-processing.
• Switched to pugixml library, scene load/save optimizations.
• Bugfixes to rendertexture views and component attributes.

V1.13

• Task-based multithreading.
• Vertex lighting option.
• Forward and light pre-pass rendering pipelines.

V1.12

• Manipulator gizmo and multi-editing in the editor.
• Switched to forward rendering exclusively, which is optimized to do more work in the vertex shader.
• Zone system refactoring. Objects check the zone they belong to for per-zone light masking, ambient light and fog settings.
• Scripting API fixes and improvements.

V1.11

• Bugfixes and performance optimizations.
• Added GraphicsTest example from V1.0 (now called TestSceneOld).
• Added fallback mode, which is used if multiple render targets or hardware shadow maps are not available.

V1.1

• Object and scene model refactoring.
• Automatic serialization of scene objects via attributes.
• Added OpenGL and cross-platform support.
• Switched to kNet library for networking.

V1.0

• Original release.