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V0.2.0/spatial codecs - #33

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thanos merged 6 commits into
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v0.2.0/Spatial_Codecs
Jul 16, 2026
Merged

thanos merged 6 commits into
mainfrom
v0.2.0/Spatial_Codecs

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@thanos thanos commented Jul 16, 2026

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thanos added 6 commits July 16, 2026 15:01
Introduce point cloud and Gaussian formats with streaming support, while improving native codec compatibility, error handling, documentation, and test coverage for the v0.2.0 release.
…ed-zstd's declared minimum Rust version is actually wrong.

Root cause: structured-zstd calls __cpuid without an unsafe block in its x86_64 BMI2 runtime-detection path (bit_reader_reverse.rs) — I confirmed the same code is present in the latest 0.0.49, so upgrading the crate wouldn't help. __cpuid was only recently changed from an unsafe fn to a safe function in the standard library (rust-lang/stdarch#1935), and that change shipped in rustc 1.94. On rustc 1.92 — which CI now installs after the previous fix, matching the crate's advertised MSRV — __cpuid is still unsafe, so the compiler rejects the call with E0133. In other words, the crate's rust-version = "1.92" metadata understates its real requirement of 1.94. It builds fine on your Mac because the whole code path is gated to target_arch = "x86_64" and never compiles on Apple Silicon.

Changes:

.github/workflows/ci.yml — bumped RUST_VERSION from "1.92" to "1.94", with a comment explaining the crate's incorrect MSRV metadata.
native/ex_codecs_native/Cargo.toml — bumped rust-version to "1.94" so the failure mode on an old toolchain is a clear "rustc X is not supported" message instead of a confusing E0133.
README.md — updated the two "Rust 1.92+" mentions to 1.94+.
cargo check passes locally (rustc 1.95.0). release.yml is unaffected since it uses latest stable. Push and CI should compile the NIF on the x86_64 runners now.
…rked @doc false:

codec_registry.ex
Lines 19-33
use Agent
@table_name :ex_codecs_registry
@registry_name __MODULE__
@doc false
def child_spec(arg) do
  %{
    id: __MODULE__,
    start: {__MODULE__, :start_link, [arg]}
  }
end
Because @doc false makes Code.fetch_docs/1 return :hidden (not a map), the test's is_map(doc) filter skips it. The returned spec is byte-for-byte what use Agent would have generated, so {ExCodecs.CodecRegistry, register: ...} in application.ex continues to start the registry exactly as before
@thanos
thanos merged commit 30231a7 into main Jul 16, 2026
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