Neo‑CLI v3.9 adds fee whitelist and native Treasury; MainNet fork set for Feb. 3

The Neo core development team announced Neo‑CLI v3.9.0 on Jan. 19, with deployment to the T5 TestNet scheduled for Jan. 21 and MainNet activation planned for Feb. 3. The release introduces fee reductions, a native Treasury contract, wallet and security upgrades, and requires a hard fork. Hotfixes v3.9.1 and v3.9.2 were issued on Jan. 21, and operators must move to v3.9.2 before the MainNet fork.