TODO Tasks before 3.9 release

[shargon]

Tasks to complete before release 3.9

• Ensure there are no state changes from previous versions.
• Check Exec Factor with decimals #4278 with different types of SetExecFeeFactor
• Test the Whitelist [N3] Whitelist of Free Contracts #4201
  • With standard contracts
  • With native contracts

[shargon]

Please @vang1ong7ang take a look it also

[vncoelho]

blocked until conclusions on neo-project/neo-node#928

Otherwise wallets may suffer

[vang1ong7ang]

is #4316 fixed in 3.9?

[vncoelho]

neo-project/neo-node#942