ChainCatcher news, StarkWare announced that Starknet underwent a version update to 0.12.1 last week. For this update, Starknet users were required to perform necessary upgrades to their accounts. After the official launch of 0.12.1, unupgraded accounts became inaccessible.Currently, StarkWare is restoring access to all these accounts (totaling $550,000). The upgrade has been re-enabled starting today, allowing users to immediately regain access to their accounts.Additionally, due to technical reasons, Argent and Braavos users may need to wait until tomorrow to restore access.