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Need a crash course on Bitcoin layers?
→ READ OUR FREE GUIDE
Need a crash course on Bitcoin layers?
→ READ OUR FREE GUIDE
Need a crash course on Bitcoin layers?
→ READ OUR FREE GUIDE

Release Roundup - March 2025

We’ve ensured sBTC is reliably available in Clarinet devnet, so you can confidently test your code against Stacks’ fastest growing asset. We also improved documentation around the latest release of Stacks Connect, so it’s much easier to get started and connect your app to wallets with the new streamlined package. Lastly, we shipped a major improvement to the Hiro Platform’s infrastructure behind the scenes that sets the stage for new features coming later in the year. Let’s get into it.

Type
Product update
Topic(s)
Product
Hiro
Published
April 8, 2025
Author(s)
Team
Contents

From core protocol contributions to improvements in Hiro’s devtools, let’s take a look at what we shipped in March and share some of our priorities in April:

Release Roundup

DevTools

Platform

  • We released infrastructure improvements to API key management in the platform’s backend in anticipation of our planned service upgrades coming in April, which include higher RPM limits for free accounts. Stay tuned for more on those upgrades in the coming days.

Clarinet

  • For the sBTC builders out there, we’ve ensured that sBTC is reliably available in devnet deployments, so you can more confidently test your code against Stacks’ fastest growing asset. 
  • We’re working on making Clarinet a faster and snappier experience, and so we’ve added caching for the new Clarity formatter feature to optimize its performance. We also tweaked devnet values to get a faster and more stable start to epoch 3.0 in Clarinet devnet.

Stacks Connect

  • Last month, we released a major new version of Stacks Connect. We heard your feedback on needing clearer documentation to get started, and this month we focused on just that. We tightened up documentation and the README to offer clearer guidance on how to use this release, along with a migration guide.

Infrastructure Services

Stacks Blockchain API

  • Apps and wallets often encountered slow API responses when pulling onchain balances for users with high tx volumes. We’ve introduced new account balances endpoints to directly address that pain point, and those optimized endpoints have improved response time by 99.99%. Embrace your need for speed.
  • You can now easily look up a user’s balance for a particular fungible token with a new endpoint. No more dealing with multiple paginated requests.
  • Both of these changes are part of the latest API release v8.8.0.

Bitcoin Indexer

  • Last month we combined the Ordhook, Runehook, Runes API, and Ordinals API repos into a singular Bitcoin Indexer repo. Starting this month, this release will talk about all individual tool updates in the context of this overarching repo.
  • This centralized Bitcoin Indexer repo comes with numerous benefits. First, it makes L1 indexing much easier to understand and use. Second, it brings reliability improvements to our existing Ordinals and API services. Third, it sets a foundation for many improvements coming to Chainhooks later this year.

Stacks Explorer

  • Signer data is now accurate in the signer dashboard across past stacking cycles. We fixed a bug where if a signer missed a cycle (e.g. missed cycle 103), that missed cycle’s data fields were populated with that signer’s previous cycle data (e.g. cycle 102).
  • Calling contract functions in the explorer via local devnet now works when post condition mode is set to <code-rich-text>deny<code-rich-text>. We fixed a display bug that required you to manually add a PC when set to <code-rich-text>deny<code-rich-text> instead of simply allowing the function call to occur.

Looking Ahead to April

Here are some of the big things we’re working on in April:

  • A redesigned Stacks Explorer: We’ve been working behind the scenes on a major overhaul of the Explorer’s design to make using the explorer more intuitive, prettier, faster, and an all around better experience.
  • Access higher API rate limits: Rate limits should never get in the way of scaling your application. We’re rolling out new account tiers soon, and if you’d like to learn more, you can reach out to us at platform@hiro.so.
  • Release Clarinet 3.0: We’re finalizing a major release of Clarinet that will come with full support for Stacks.js v7 and the latest version of stacks-core, stable mainnet transaction simulation, improved Clarity formatting, and faster boot times.

As always, we will be shipping new features and upgrades outside of what’s listed here. Keep an eye out for new updates.

Learn More

For a full list of releases and improvements by product, please view the following links:

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