Binary Upgrade Priority

❗️❗️High: This is a high-priority release, and you must upgrade as soon as possible.

Runtime version: 12

Changes

Runtime

API breaking changes

• 🗑️ Removed Democracy module - part of new Governance change
• 🗑️ Removed Council module - part of new Governance change
• 🗑️ Removed Elections module - part of new Governance change
• 🗑️ Removed Uncles from Authorship module - part of Substrate v1.0.0 upgrade
• ✅ HTTP and WS now use the same port (9944)
• 👓 Error changes: https://pastebin.com/raw/4MAifbNU
• 👓 Event changes: https://pastebin.com/raw/kEWJCnHv
• 👓 Call changes: https://pastebin.com/raw/B6SZChd0

API non-breaking changes

• ✅ Updated our Substrate dependencies to version v1.0.0 - part of Substrate v1.0.0 upgrade
• ✅ Updated transaction weights with more realistic values
• ✅ Updated weight ratio for operational class
• ✅ Improved the performance of commitment generation
• 🆕 Added support for data submission TX to be executed via utility module TXs.
• 🆕 Increased data submission transaction max size to 512kb
• 🆕 Added Mandate module - part of new Governance change

Binary

Breaking changes

• ✅ Updated binary code to be compatible with Substrate v1.0.0 - part of Substrate v1.0.0 upgrade
• 🆕 Added Kate chain specification to the node itself. You can access it via the following flag: --chain kate
• 🆕 Import process block verification ignores "Own" blocks.
• --ws-external and --ws-port has been deprecated and merged under --rpc-external and --rpc-port

Non-breaking changes

• 🆕 ❗️Added a new flag --unsafe-da-sync to sync without building commitments

Misc

• 🗑️ Removed code related to rs-merkle library
• ✅ Updated benchmarks to V2 syntax
• 🆕 Added CI scripts for try-runtime and benchmarking
• 🆕 Added changelog, issue template, contributing guide, security policy, release template.