v0.13.0

GENERAL

• Move from make to cargo xtask workflows. (#2297) @ErichDonGubler
• Omit non referenced expressions from output. (#2378) @teoxoy
• Bump bitflags to v2. (#2358) @daxpedda
• Implement workgroupUniformLoad. (#2201) @DJMcNab

API

• Expose early depth test field. (#2393) @Joeoc2001
• Split image bounds check policy. (#2265) @teoxoy
• Change type of constant sized arrays to NonZeroU32. (#2337) @teoxoy
• Introduce GlobalCtx. (#2335) @teoxoy
• Introduce Expression::Literal. (#2333) @teoxoy
• Introduce Expression::ZeroValue. (#2332) @teoxoy
• Add support for const-expressions (only at the API level, functionality is still WIP). (#2266) @teoxoy, @jimblandy

DOCS

• Document which expressions are in scope for a break_if expression. (#2326) @jimblandy

VALIDATOR

• Don't use std::opsIndex, used only when "validate" is on. (#2383) @jimblandy
• Remove unneeded ConstantError::Unresolved{Component,Size}. (#2330) @ErichDonGubler
• Remove TypeError::UnresolvedBase. (#2308) @ErichDonGubler

WGSL-IN

• Error on param redefinition. (#2342) @SparkyPotato

SPV-IN

• Improve documentation for SPIR-V control flow parsing. (#2324) @jimblandy
• Obey the is_depth field of OpTypeImage. (#2341) @expenses
• Convert conditional backedges to break if. (#2290) @eddyb

GLSL-IN

• Support commas in structure definitions. (#2400) @fornwall

SPV-OUT

• Add debug info. (#2379) @wicast
• Use IndexSet instead of HashSet for iterated sets (capabilities/extensions). (#2389) @eddyb
• Support array bindings of buffers. (#2282) @kvark

MSL-OUT

• Rename allow_point_size to allow_and_force_point_size. (#2280) @teoxoy
• Initialize arrays inline. (#2331) @teoxoy

HLSL-OUT

• Implement Pack/Unpack for HLSL. (#2353) @Elabajaba
• Complete HLSL reserved symbols. (#2367) @teoxoy
• Handle case insensitive FXC keywords. (#2347) @PJB3005
• Fix return type for firstbitlow/high. (#2315) @evahop

GLSL-OUT

• textureSize level must be a signed integer. (#2397) @nical
• Fix functions with array return type. (#2382) @Gordon-F

WGSL-OUT

• Output @interpolate(flat) attribute for integer locations. (#2318) @expenses