Simply indicates that you can 'stand' at the bar/around the dance floor/in the mosh pit/wherever. Many restaurants and venues were subject to 'seated patrons only' at times during the pandemic restrictions to ensure distancing. Standing makes it harder to maintain distance in some venues.
Emphasis on second syllables is a creeping trend. Growing influence of American TV etc, unfortunately.I have noticed a difference is the pronunciation of the word "comparable". I say comparable, with the emphasis of the first syllable. While others say comparable, emphasising the middle syllable.
And I have also noticed differences with the pronunciation of the word "substantive". Seth Meyers explains the differences (at 2.08 minutes) in the CORRECTIONS video for the week Monday, 3 May: https://www.youtube.com/channel/UCVTyTA7-g9nopHeHbeuvpRA