Add changelog for 1.4.3

Set useOnChainBlockData for litmus

Add changelog for 1.4.1

Add changelog for 1.4.0

Fix enum arg view

Update yarn.lock

fix: explore identities arrow navigation (#885)

* export link to fns

* react use

* now works

* remove item hover background color effects

* fix key

Fix identity statistics data

Fix exempt extrinsics and events

Add changelog for 1.2.4