Release Notes - v0.65.0

v0.65.0 (July 15, 2026)

Title: Keep reward tracking reliable and move Leios catch up past slow peers

Date: July 15, 2026

Version: v0.65.0

This release keeps reward tracking more reliable during upgrades, corrects pool stake totals used during validation, helps Leios catch up recover from slow peers, and updates the example app development toolchains.

Recommended Network Compatibility ⚠️

Network	Compatible
mainnet	⛔
preprod-testnet	⛔
preview-testnet	✅

✨ Highlights

• Improved reward metadata handling so upgrades can rebuild missing reward stake data at startup, keep reward tracking more consistent after restarts, and retain more history for later reward processing without introducing reward calculation in this release.

• Corrected pool stake totals so stake snapshots include reward account balances at each slot, preserve delegators who only hold reward balances, and reduce false leader threshold validation failures.

• Accelerated Leios catch up so Dingo moves to healthier peers when one peer responds slowly or stays busy, instead of waiting through long backfill delays.

• Updated the Sundae preview example development toolchain to use TypeScript 7.0.2 and require Node 16.20.0 or newer during local work.

• Refreshed the Blockfrost explorer example development toolchain to use TypeScript 7.0.2 and require Node 16.20.0 or newer during local work.

Full Changelog: v0.64.0…v0.65.0