As per Google Products Forum update, you can change the account name using various option as before.

• Your Google account page.

Google → Accounts → Edit Profile → click on your name and change it → Save changes

• Check in Settings for your Send mail as name to make sure it's correct.

Open Settings → Accounts → Send mail as → click Edit info and change the name.

• You should also search for yourself in your contacts

Contacts manager → search for your own email address → make sure the name is correctly listed

• Check the spelling of your name in your back-up account.

If you have a recovery email, Gmail sometimes looks at the name in that account, so make sure it's not connected to an account you own.

Please refer the source for detailed information.

Source: Google Products Forum.

As per Google Products Forum update, you can change the account name using various option as before.

• Your Google account page.

  Google → Accounts → Edit Profile → click on your name and change it → Save changes

• Check in Settings for your Send mail as name to make sure it's correct.

  Open Settings → Accounts → Send mail as → click Edit info and change the name.

• You should also search for yourself in your contacts

  Contacts manager → search for your own email address → make sure the name is correctly listed

• Check the spelling of your name in your back-up account.

  If you have a recovery email, Gmail sometimes looks at the name in that account, so make sure it's not connected to an account you own.

Please refer the source for detailed information.

Source: Google Products Forum.

As per Google produt forum update You can change the account name using various option as before.

• Your Google account page. Google>Accounts>Edit Profile>Click on your name and change it> Save changes
• Check in Settings for your "Send mail as" name to make sure it's correct. Open Settings> Accounts> "Send mail as">Click Edit info and change the name.
• You should also search for yourself in your contacts Contacts manager> Search for your own email address> Make sure the name is correctly listed
• Check the spelling of your name in your back-up account. If you have a recovery email, Gmail sometimes looks at the name in that account, so make sure it's not connected to an account you own.

Please refer the source Google forum for detailed information.

Google product source

As per Google Products Forum update, you can change the account name using various option as before.

• Your Google account page.

Google → Accounts → Edit Profile → click on your name and change it → Save changes

• Check in Settings for your Send mail as name to make sure it's correct.

Open Settings → Accounts → Send mail as → click Edit info and change the name.

• You should also search for yourself in your contacts

Contacts manager → search for your own email address → make sure the name is correctly listed

• Check the spelling of your name in your back-up account.

If you have a recovery email, Gmail sometimes looks at the name in that account, so make sure it's not connected to an account you own.

Please refer the source for detailed information.

Source: Google Products Forum.