Parity Ethereum 2.2.7-stable

Parity-Ethereum 2.2.7-stable is a consensus-relevant security release that reverts Constantinople on the Ethereum network. Upgrading is mandatory for Ethereum, and strongly recommended for other networks.

• Consensus - Ethereum Network: Pull Constantinople protocol upgrade on Ethereum (#10189)
  • Read more: Security Alert: Ethereum Constantinople Postponement
• Networking - All networks: Ping nodes from discovery (#10167)
• Wasm - Kovan Network: Update pwasm-utils to 0.6.1 (#10134)

Note: This release marks Parity 2.2 as stable. All versions of Parity 2.1 now reached end of life.

System	Architecture	Binary	SHA256 Checksum
	x64	parity.exe	0c109aef3507726a4dd3f3dc184af4bbf89addeb66af352dd5f5461d034a0dab
	x64	parity	5fc0aa2d75bd49bf62c7d8968a30801ea053660c9cbd1cdecd230a0c76d8aeaf
	x64	parity	794a084f25230b506aa202afad2804143f4b67064cccbc1a18f694e5f8935c7c
System	Option	-	Resource
	Homebrew	-	github.com/paritytech/homebrew-paritytech
	Docker	-	hub.docker.com/r/parity/parity
	All binaries	-	vanity-service.parity.io/parity-binaries?version=v2.2.7

The full list of included changes:

• Backports for stable 2.2.7 (#10163)
  • Version: bump stable to 2.2.7
  • Version: mark 2.2 track stable
  • Version: mark update critical on all networks
  • Handle the case for contract creation on an empty but exist account with storage items (#10065)
  • Fix cannot recursively call into Core issue (#10144)
  • Snap: fix path in script (#10157)
  • Ping nodes from discovery (#10167)
  • Version: bump fork blocks for kovan and foundation, mark releases non critical
  • Pull constantinople on ethereum network (#10189)