v1.50.1

• Metal: fix some shader artifacts by disabling fast math optimizations.
• backend: remove atan2 overload which had a typo and wasn't useful. Fixes b/320856413.
• utils: remove usages of SpinLock. Fixes b/321101014.

v1.50.0

• engine: TAA now supports 4x upscaling [BETA] [⚠️ New Material Version]

v1.49.3

• matc: Generate stereo variants for FL0 materials [⚠️ Recompile materials]

v1.49.2

Merge branch 'rc/1.49.2' into release

v1.49.1

Merge branch 'rc/1.49.1' into release

v1.49.0

• matc: Fix ESSL 1.0 codegen when using external samplers [⚠️ Recompile materials]
• matc: Generate skinning variants for FL0 materials [⚠️ Recompile materials]

v1.48.0

• matc: New option -1 to disable generation of ESSL 1.0 code in Feature Level 0 materials
• matc: Support optimizations for ESSL 1.0 code [⚠️ Recompile materials]

v1.47.0

• engine: Support up to 4 side-by-side stereoscopic eyes, configurable at Engine creation time. See
  Engine::Config::stereoscopicEyeCount. [⚠️ Recompile Materials]

v1.46.0

• engine: Allow instantiating Engine at a given feature level via Engine::Builder::featureLevel
• matc: Enable GL_OES_standard_derivatives extension in ESSL 1.0 shaders
• matc: Fix code generation of double sided and masked materials in ESSL 1.0 shaders
• filagui: Add support for feature level 0
• matc: Add support for post-process materials in feature level 0
• engine: Add Material::getFeatureLevel()
• engine: Add missing Material::getReflectionMode() method in Java
• engine: Support basic usage of post-processing materials on feature level 0
• engine: Fix critical GLES 2.0 bugs
• engine: Add FILAMENT_ENABLE_FEATURE_LEVEL_0 build-time option optionally allow building Filament
  without FL0 support.

v1.45.1

• engine: Added parameter for configuring JobSystem thread count
• engine: In Java, introduce Engine.Builder
• gltfio: fix ubershader index for transmission&volume material
• engine: New tone mapper: AgXTonemapper.
• matinfo: Add support for viewing ESSL 1.0 shaders
• engine: Add Renderer::getClearOptions() [b/243846268]