OP Labs has now upgraded the Optimism Goerli testnet to Bedrock, re-enabled deposits and withdrawals, and the Optimism Goerli Sequencer is back up and running. Previously, OP Labs stated that this upgrade will reduce gas fees by about 20%, shorten deposit times, build more secure and stable code bases and products, and simplify node infrastructure. In addition, according to the official upgrade guide, the Optimism mainnet upgrade will announce the official date and time of February 2023 at least three weeks in advance.