Just got an interview for IR5 for parents. The Form I864 EZ is 2019, should I upload my 2021 and 2020 tax return to the system now or just bring it to the consulate?

Just got an interview for IR5 for parents. The Form I864 EZ is 2019 and tax return was 2018, should I upload my 2019 and 2020 tax return to the system now or just bring it to the consulate? This got approved two years ago however due to covid they just schedule the interview next month