Version 1.1

• bugfix and tune tile priorities
• disable roll lock by default in orbit nav
• bugfix priority inversions where already loaded tiles might be lower priority than pending tiles
• implement object pooling for texture decompression
• implement object pooling for web requests
• dispose UnityWebRequest in Unity3DTilesWebRequestLoader
• don't make a stream copy when loading B3DM
• UnityGLTF stream initial position and close/dispose bugfixes
• dispose UnityWebRequest in UnityGLTF WebRequestLoader
• change default LRU cache max size to 1000
• bugfix race when loading scene options override from url
• add PauseMemThreshold and GCMemThreshold scene options
• show memory usage in HUD
• update to Unity 2020.1.17f1
• add cache 1k scene options
• bugfix OBB size spew
• bugfix loading non-identity tile transform (missing right handed to left handed conversion)
• decrease default nav rot speed
• add option to lock nav roll
• set demo app target framerate
• bump camera far clip from 1000 to 5000
• increase fit offset to 100m
• work around runtime error in Pngcs
• look for _index.png before .png
• don't rely on exceptions to detect missing index files
• load external png tile indices by default
• limit zoom to fit by far clip
• bugfix webgl build workaround
• bugfix NRE in DemoUX
• set default camera orientation X up
• work around webgl build bugs
• update camera near = 0.3, far = 1000 to match ASTTRO
• add Pngcs index reader implementation
• disable ImageSharp by default
• add support for 16 bit PNG tile index images using ImageSharp
• bugfix tile index ppm decoder to expect big endian data
• auto fit webgl generic viewer to browser window
• tune default tile priority scheme
• debug loading tile indices
• add controls for tweaking nav speed
• actually support KHR_materials_unlit
• limit webgl build size
• add missing shaders to build
• add more bounds visualization modes in demo ux
• allow user to select forcing of selected tile
• optionally load tile texture index images
• only override tileset shader override with scene's if it's not set
• add tile polycount and texture dimensions to demo ux
• decrease default max SSE from 16 to 4
• add sse stuff to demo ux
• hit p to toggle picking in demo ux
• make directional light color white
• attach directional light to camera
• lower default viewpoint
• make shader override a string and deserialize it from json
• default shader override to Unlit/Textured
• decrease default nav rotation speeds
• add example options
• default camera pose in tileset coordinates
• edit quaternions as Euler angles in inspector
• tweak default camera pose for sample model loader
• use translation/rotation/scale instead of matrix for tileset transform
• clean up default tileset poses
• respect TilesetOptions even when loading from scene manifest
• bugfixes to tileset and scene options serialization
• allow relative URLs in generic scene URL parameters
• pass on extra URL parameters to subsidiary fetches
• better handling of failed top level downloads
• nav accel bugfixes
• don't nav when mouse on ui
• auto scale mouse nav translate speed
• add hud for tileset transform
• add axes widgets
• bugfix tile transform scale ignored
• bugfix missing conversion to unity frame for tileset options transform
• add ux to hide/show tilesets
• hud improvements and bugfixes
• bugfix unity editor defaults for adding new tilesets in inspector
• ux to select across tile hierarchy
• add depth stats
• TileParentInfo -> TileInfo
• show info for selected tile
• nav cleanups
• update SampleModelLoader scene
• remove URIHelper because we already had UriHelper
• combine GLTFComponent and B3DMComponent
• fix handling of data:// urls
• update MainWeb scene
• default ClippingCameras to main camera
• fix MainHololens scene
• reset view at start once all tilesets are ready
• add picking and rotate about picked point
• add fit view
• cleanup mouse fly and mouse rotate
• remove hololens behavior from generic web scene
• disable pointer by default
• add default viewpoint to scene options
• improve mouse fly nav
• add mouse rotate nav
• add basic keyboard controls for default view and nav mode toggle
• clean up tileset options code
• handle data:// URLs
• allow optional per-tileset options in scene manifest
• load scene manifest or single tileset from url or editor inspector fields
• remove Generic Web 1 scene, LegacyTilesetOptions, and GenericWebTilesetBehaviour
• bugfix warts in scene manifest parser
• allow overriding default web request loader behaviour (needed by asttro)
• allow shader override in MultiTilesetBehaviour
• increase max concurrent requests
• use single processing queue for all downloaded tilesets, track tiles in lru cache during processing
• allow tileset removal, use unique post-processing queue for all tilesets
• add parent/tileset component to tile
• allow modifying priority scheme, stop requests when cache full
• added ability to load/render multiple tilesets

Version 1.0

This release contains an initial version of the Unity3DTiles renderer. Features supported in this version include:
Loading of non-recursive tilesets
b3dm formatted content
Sphere and Box bounding regions
Replacement refinement
Geometric Error
Frustum culling