[release] v1.9.0

[release] v1.8.0

testnet deployment

[release]: v1.7.0

[release] v1.6.0

[release] v1.5.0

[release] 1.4.0 (#423)

* upgrade to mainnet

[release] v1.3.0

[release] v1.2.0

[release] v1.1.0

[release] `v1.0.3` (#397)