Upgrade priority: Medium (timely upgrade recommended) due to change: client/authority-discovery: Don't add own address to priority group

Native runtimes:

• Polkadot: 9
• Kusama: 2009
• Westend: 29

This release was built with the following versions of rustc. Other versions may work.

• rustc 1.44.0 (49cae5576 2020-06-01)
• rustc 1.46.0-nightly (feb3536eb 2020-06-09)

Runtime

• Companion: remove IsCallable make use of introduced in-origin filtering (#1226)

Substrate changes

Runtime

• vesting: Force Vested Transfer (paritytech/substrate#6368)

Client

• client/authority-discovery: Don't add own address to priority group (paritytech/substrate#6370)
• Split the service initialisation up into seperate functions (paritytech/substrate#6332)

API

• Introduce in-origin filtering (paritytech/substrate#6318)
• add extend_lock for StorageLock (paritytech/substrate#6323)