v2026.14

=== Breaking changes ===
5374382b3 `vector<T, 4>`: Explicitly disable `(vector<T, 2>, T)` and `(T, vector<T, 2>)` initializers (#12141)

=== All changes for this release ===
426590635 Fix #12169: legalize global-scope array-of-struct varying input (#12170)
b62921021 Correct -g0/none debug-level help text to match actual behavior (#12201)
[BREAKING] 5374382b3 `vector<T, 4>`: Explicitly disable `(vector<T, 2>, T)` and `(T, vector<T, 2>)` initializers (#12141)
08024eda7 Clarify short-circuiting behavior related to `&&` and `||` (#12171)
444d8fb11 Language reference: clarify (non-)short-circuiting behavior of ternary conditional (#12163)
5e5f2a06b build(deps): bump google.golang.org/grpc from 1.79.3 to 1.82.1 in /extras/scaler (#12199)
ebed5178f Enable metal target for vector/matrix fwidth (#12165) (#12172)
e438c5aef Add external/README.md documenting dependencies and CMake options (#12178)
56eb1aa08 Add regression test for #12104: vec3 self-division ones-vector fold size (#12193)
e549806c9 Stop tracking generated extras/scaler/scaler-linux binary (#12168)
7e65d5966 Reject conflicting -profile and -capability command-line arguments (#12122)
4955b21c3 Add slang-test optimization option (#12187)
4f23e904a Skip CI for nested Markdown changes (#12188)
601d363f7 Fix infinite loop in _unwrapParameterGroups for non-StructuredBuffer resources (#11136)
4f9d626be Public-by-default struct members in Slang 2026 (#9153) (#12151)
d384b77e6 Fix #12173: bridge module-scope args to WGSL by-ref (out/inout) parameters (#12174)
02b55fb2c Reject operator names on variables and parameters (#11664) (#11665)
d148787f2 Update spirv submodule (#12184)
7002bbe67 Fix #12177: honor -v failure in parallel runs and gate capability discovery (#12180)
958620c16 Coalesce redundant UniformConstant resource-element loads on SPIR-V (#12051) (#12111)
b593edc38 Fix #10188: shape-independent __ldg exclusion for OptiX SBT loads (supersedes #11152) (#12119)
cbabb7bde Avoid conflicting MSVC exception flags (#12166)
6a244fee2 Omit redundant terminating break in WGSL switch cases (#11947)
a916653b7 Relocate slang-test generated outputs (#12154)
c6a261068 [2/3] ByteAddressBuffer: decide wide-vs-scalarized + validate the alignment contract (#11595)
203065d66 Initialize parsed command-line options (#12153)
340e3445a Avoid ImageGatherExtended capability for constant-offset Gather (#9382) (#12133)
beff6e419 Add default value blob reflection API (#11471)
2eb65582b Add explicit separate debug info output path (#12147)
3292090b3 Fix macOS signing version extraction (#12149)
aaa07fe29 Use mimalloc for Slang-owned malloc/free on Windows (#12105)
99b8019ed build(deps): bump golang.org/x/net from 0.54.0 to 0.55.0 in /extras/scaler (#11892)
657b1907d Fix #11659: null-deref crash legalizing graphics-stage varyings for CPU kernel targets (#11661)
ec177850a build(deps): bump golang.org/x/crypto from 0.48.0 to 0.52.0 in /extras/scaler (#11975)
3649fb982 Fix shader-slang/slang#11982: dedup SPIR-V DebugSource for imported modules (#12034)
5209a49f6 Add build command and binary location to the shader-coverage-backends README (#12144)
d9c9fa413 Use `-Og` optimization level for GCC/Clang debug builds (#12140)
c1c419c94 Fix #12006: don't warn E41017 on __extern_cpp host-provided globals (#12011)
b184085c6 Fix CUDA prelude vec1 make helpers to return the vector struct (#11957)
5c30d437f PR board sync: deliver CI/check + status/review events, and co-assign community authors (#11847)
4f4ec5057 compile-perf: allow sweeping patch releases (include-patches dispatch input) (#12126)
e3a6efd71 Fix shader-slang/slang#11984: strip UTF-8 BOM from #line DebugSource text (#12055)
8e8653f8c Fix #11315: lower `(void)expr` to the canonical void value (#12117)
6c837d317 fix: restore Fix #10909: Add Flat decoration for SubgroupLocalInvocationId in fragment shaders (#12064)
5bd8eb89f Fix #12046: correct GLSL float remainder; emit OpFMod for mod() on SPIR-V (#12130)
814ab6dda Fix #12121: accept and forward -X<compiler> options in render-test COMPARE_COMPUTE tests (#12128)
c8d02ae59 Memoize shared Val and type DAG traversals (#12106)
1cfc8ec51 Fix Metal fragment out/inout param crash (Unknown addressspace) (#12015)
89443da36 Fix #12049: specializing a generic entry point can't see primary-file extension conformances (#12052)
623227f86 Revert "Pin nightly coverage macOS job to macos-15" (#12129)
8e3f9163d Allow shader invocation reorder extensions with SPIR-V 1.4 (#12115)
bf7a78ab2 Fix use-after-free in LLVMBuilder JIT teardown (#12114)
20148df52 Split command-line process unit test (#12123)
336dd0f49 examples: add shader-coverage-backends with selectable CPU/CUDA/Vulkan/Metal dispatch (#11979)
fd3ab55a7 compile-perf: read suite files as explicit UTF-8 everywhere (#12118)
694022a11 Default the shader-coverage demos to batched dispatch in full mode (#12090)
429163082 compile-perf: reporting redesign — landing page, release/daily cadence split, automatic new-release sweeps (#12086)
c5d4d76e6 Fix #12102: make missing mimalloc source a configure error (#12107)
a2596654f Instrument gpu-printing example to diagnose macOS Metal failure (#11999) (#12009)
a8874f6a1 Gate three backend passes on RequiredLoweringPassSet flags (#11917) (#12088)
b69ef6268 Extend sanitizer CI ASan checks and publish ASan-instrumented binaries (#11931)
ad69c2e9f Use mimalloc for global C++ new/delete on Windows (#12036)
e28b5e9c8 Fix zeroed primal in synthesized trivial forward derivative (#11670)
6d299e4e1 Skip legalizeMatrixTypes when no matrix needs legalizing (#11917) (#11987)
77f5ca091 Make CoopVec subscripts differentiable (#12031)
3eeda847c Fix #11730: brace initializer rejected as a function-call argument (#11818)
67de3f517 Fix #6557: exclude UseUpToDateBinaryModule from module content digest (#12068)
bee6400c2 compile-perf: complexity sweep — scaling curves, floor+slope fits, sweep report (#12023)
d6c772011 Materialize multi-element swizzle base as a temp in C++/CUDA emit (#12073) (#12078)
65a98e333 docs: add Shader Execution Coverage tutorial to the user guide (#11977)
a9c6ff78e Restore MSVC Release /OPT flags when shipping PDBs (#12061)
1a9cec331 Fix shader-slang/slang#11996: add half->scalar conversion operators for CPU target (#12043)
fd4bd2531 Add end-to-end SPIR-V test for 64-bit indexing (spvShader64BitIndexingEXT) (#12081)
c744924e0 Include license texts in release packages (#12085)
ed6c064d8 Fix ASan merge queue failures (#12060)
b2fc4c63c Fix #12059: assign HLSL CoopMat.fill Splat return value (#12065)
340a191c5 Fix #12048: run lowerEnumType when only an enum cast survives (#12050)
f961ddbea compile-perf: nightly operability for the daily-history re-run (UTF-8, suite-ref backfill, run-date labels) (#12074)
7cc70648a Pin nightly coverage macOS job to macos-15 (#12075)
8f0c3515d Fix generic interface witness lowering (#11615)
4d91d47bf Fix #12002: rename internal spirv_asm sample register so its OpName reads as compiler-internal (#12053)
1a2e4c5e9 Unwrap no_diff element types for autodiff updates (#12030)
5951e13e8 Avoid redundant core module recompilation (#12047)
84792eb15 Add ResourceDescriptorHeap/SamplerDescriptorHeap direct-index input syntax (#11798)