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@zippy zippy released this Apr 4, 2019

0.0.10-alpha2 release 2019-04-09


As more and more developers get excited about Holochain and start building real things with it, we find ourselves spending more time on refining the developer experience. We’re eradicating performance bottlenecks, improving tooling, and adjusting APIs to become more pleasant to use. We thank each and everyone one of them for lighting refinement fire with their creativity!


  1. Developer Experience: The Details Matter
  2. Performance: PickleDB Storage Implementation Speeds Commits By 92%
  3. Tooling: New Options Added to hc keygen
  4. Breaking Change: API Deprecated RPC Format Removed
  5. Breaking Change: JsonString::from() Doesn’t Work With Strings
  6. Logging: Details In Failed WASM Executions
  7. Cryptography: New Features Enable DPKI Apps
  8. Lessons Learned: ‘Swarming’ Gets the Job Done

See the Dev Pulse & change log for complete details.


This release consists of binary builds of:

To install, simply download and extract the binary for your platform.
See our installation quick-start instructions for details.

Rust and NodeJS are both required for hc to build and test DNA:

  • Rust
    • Must be nightly-2019-01-24 build with the WASM build target.
      Once you have first installed rustup:
      rustup toolchain install nightly-2019-01-24
      rustup default nightly-2019-01-24
      rustup target add wasm32-unknown-unknown --toolchain nightly-2019-01-24
  • Node.js version 8 or higher
    • E2E tests for Holochain apps are written in Javascript client-side and executed in NodeJS through websockets
    • For further info, check out the holochain-nodejs module

Which Binary?

Download only the binaries for your operating system.

  • MacOS: cli-v0.0.10-alpha2-x86_64-apple-darwin.tar.gz
  • Linux: cli-v0.0.10-alpha2-x86_64-ubuntu-linux-gnu.tar.gz
  • Windows:
    • mingw build system: cli-v0.0.10-alpha2-x86_64-pc-windows-gnu.tar.gz
    • Visual Studio build system: cli-v0.0.10-alpha2-x86_64-pc-windows-msvc.tar.gz

All binaries are for 64-bit operating systems.
32-bit systems are NOT supported.

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