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WASM Binaries 2026-02-06T12:21:55+00:00

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wasm-binaries/2026-02-06T12-21-55/8c49c2f29158e6d3fbe11ca1e936b0a5948690bd
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WASM guest binaries.

Build Metadata

Commit: 8c49c2f29158e6d3fbe11ca1e936b0a5948690bd
Build Timestamp: 2026-02-06T12:21:55+00:00
Build Attestation: https://github.com/influxdata/datafusion-udf-wasm/attestations/18338968

WIT Interface

The WIT interface — used between host and guest — is: 0.4.0

If host & guest are out of sync, you will get an error that looks like this:

Context("link WASM components", External(Error { context: "initialize bindings", source: no exported instance named `datafusion-udf-wasm:udf/types@x.y.z`

Dependency Versions

These are the versions of the major dependencies:

Dependency Version
Arrow 57.2.0
DataFusion 52.1.0
Wasmtime 41.0.3

WASM Binaries

We build the following targets:

  • example_add_one: "add one" Rust example UDF
  • datafusion_udf_wasm_python: Guest for Python-based UDFs, bundles CPython.

Each of them is provided in debug and release builds. The artifacts have the file extension .wasm.

Machine-Code Binaries

In addition to the WASM binary blobs, we also provide pre-compiled guests for various targets to be used with wasmtime. The artifacts have the file extension .elf.

⚠️ Using pre-build binaries requires you to validate the source and trust the binary. Using a binary blindly can lead to remote code execution, memory and data corruption, and all kinds of bad things. You can use the provided build attestation. ⚠️

Checksums & Attestation

We provide sha256 checksums for all artifacts in sha256sum.txt. You can use that file -- either directly or indirectly via its own checksum -- to safely pin all artifacts of this release. We also provide build attestation.

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