1. **Neo-CLI v3.6.2 Release:** Neo announced the release of Neo-CLI v3.6.2 on November 17th.
2. **Deployment Schedule:** Deployment to the T5 testnet is set for November 21st, followed by deployment to the mainnet on December 4th.
3. **Key Updates:** The update introduces a new system call 'CurrentSigners' for obtaining transaction signers and a 'StrLen' function in the native StdLib contract for string length retrieval in smart contracts.
4. **Transaction Attribute Fees:** Attribute fees will be set for transactions with 'conflict' attributes, enhancing transaction handling.
5. **Cancellation Commands:** Neo-CLI and RPC will include cancel commands for unchained transaction cancellations, providing more control.
6. **Contract and VM Changes:** The upgrade involves alterations to native contracts and virtual machines, impacting how smart contracts function.
7. **Resynchronization Required:** Neo advises that data resynchronization is necessary during the upgrade.
8. **Configuration File Caution:** Users are warned against using old configuration files (config.json) during this update.
9. **Testnet and Mainnet Rollout:** The phased rollout to testnet and mainnet ensures a structured implementation and testing of the new features.
10. **Maintenance Considerations:** Users and developers should prepare for potential service interruptions or changes due to the update's significant alterations.