• cmd: output statistics now have fixed length, removing dependency on go-humanize
• cmd: choose newest atime/mtime to preserve timestamps when using --bundle; allow setting preserve with --bundle; add warnings when ownership/permissions differ between input files when using --bundle; see #671
• cmd: don't preserve parent directories for --bundle, see #671
• HTML: keep original attribute quote for all attributes, fixes #670
• JS: fix precedence of OptionalChaining expression
• JS: fix parsing of 'export default expr' where expression can only be an assignment expression