v0.15.0

For release-polkadot-v1.4.0 use branch release-polkadot-v1.4.0
For release-polkadot-v1.3.0 use branch release-polkadot-v1.3.0

🎉 Featuring

• Several security updates of dependencies
• Support of stable metadata v15 (#657)

What's Changed since v0.14.0

⚡ Breaking API changes

• Update frame metadata to v16 (#657) @haerdib

🌈 Features

• Update frame metadata to v16 (#657) @haerdib
• Add trait bounds to config: Index: Default, BlockNumber: AtLeast32BitsUnsigned (#648) @clangenb

🐛 Bug Fixes

• Add subscription ID recognition to tungstenite and ws-rpc client (#662) @haerdib

Miscellaneous

7 changes

• Add subscription ID recognition to tungstenite and ws-rpc client (#662) @haerdib
• Update all dependencies with cargo update (#660) @haerdib
• Update frame metadata to v16 (#657) @haerdib
• Bump tungstenite from 0.18.0 to 0.20.1 (#654) @dependabot
• Add trait bounds to config: Index: Default, BlockNumber: AtLeast32BitsUnsigned (#648) @clangenb
• Bump aes-gcm from 0.10.2 to 0.10.3 (#651) @dependabot
• Switch to using the new polkadot-sdk (#650) @Niederb