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Developer weekly update April 30, 2025

April 30, 2025

Hello developers, and welcome to this week's developer weekly update! This week, there are new releases of Motoko, Python pocket-ic, and the ICP dashboard, plus an exciting pre-release of the SOL RPC canister. Let's get started!

Motoko v0.14.9​

A new release of Motoko is available! v0.14.9 introduces new primitives for exploding fixed-width numbers to bytes:

  • explodeNat16

  • explodeInt16

  • explodeNat32

  • explodeInt32

  • explodeNat64

  • explodeInt64

Read more in the release notes.

Python pocket-ic v3.1​

A new version of Python pocket-ic has been released! This release adds support for PocketIC server v9.0 plus the ability to store and load state to and from a local directory on your computer.

Try it out yourself or update your project to use the latest version.

Dashboard v6.0​

The ICP Dashboard has gotten a major redesign! With updates to almost all dashboard pages, widgets, and components, the dashboard now includes exciting features like:

  • A new Networks page that shows the decentralization of the network through an interactive globe that can be used to select data centers and view details.

  • If you select a node or subnet, a Nakamoto coefficient score is displayed for each, describing how decentralized each component is.

  • A new Tokens page that shows information about all ICP, SNS, and chain-key tokens.

The blog post Making ICP data more accessible goes into detail about each change with screenshots. Definitely give it a read!

SOL RPC canister v0.1 pre-release​

Attention SOL devs! The SOL RPC canister has been pre-released and is ready for you to test and play with! During this pre-release, the canister is deployed as a staging canister (titvo-eiaaa-aaaar-qaogq-cai) controlled by the DFINITY team. Upon official release, a production canister will be controlled by the NNS.

Supported methods for this RPC canister include:

  • getAccountInfo

  • getBalance

  • getBlock

  • getSlot

  • getTransaction

  • sendTransaction

  • jsonRequest

Want to learn more? Check out the announcement on the developer forum.

That'll wrap up this week. Tune back in next week for more developer updates!

-DFINITY