Parentheses (from Master palette > Symbols) reset to default positions or lost altogether
Win 10 / MS 3.0.0, 32c4c4c
Open the attached file (created in MS2). Take the reset option offered. This is a snapshot from MS 2:
Compare it the same view in 3.0-dev:
The first parenthesis has disappeared altogether. The other parentheses have been reset to the default position.