Arsenal aren't the same as their 2017 version anymore. They are much more competitive thanks to Arteta's management style. You should be remembering their last draw against Bayern Munich. How it started and how it ended... It wasn't different than seeing a nightmare truthfully. However I'm not expecting a similar result this year.
The reason is not only the improvement of Arsenal team. It is because of Bayern Munich's being likely to be quite unreliable with their game this season.
If you ask which one of these teams would qualify for the semi finals I would pick Bayern Munich though. It is especially due to what I saw in the Arsenal - Porto draw.

An objective assessment and I agree with you on that. How Arsenal got through the round of 16 against Porto opened my eyes to this team from North London and they are nothing more than a mediocre team in this competition. They had difficulties against Porto and they should have been able to qualify without having to go through a penalty shootout. But that is the reality that the teams that are so promoted in this biggest competition are nothing more than participating teams each season.
I know this is the best version for more than 5 years but this is different from the English Premier League where all the strong teams from various European continents gather and Arsenal shouldn't need to brag about themselves just because they are competing with Liverpool and Manchester City in the title race. domestic league. Arsenal against Bayern Munich like De Javu and we already know who will win and qualify for the semifinals. Even though Bayern Munich has experienced a decline this season, they will prepare different things in a competition that they already understand. It is not surprising that it will still belong to Bayern Munich.