Anybody know if the line-wrapping has been fixed? In either this version or anything since <checks what I have> 52.9.1? The messed-up line-wrapping and quotin

Anybody know if the line-wrapping has been fixed? In either this version or anything since <checks what I have> 52.9.1? The messed-up line-wrapping and quoting is easily my biggest problem with Thunderbird.