• cmd: create missing directories for symlinks, see #385
• cmd: preserve file permissions, see #385
• cmd: wait 0.1 seconds before processing watched file change, fixes #372
• cmd: watch now works with file input and output (not just dirs), see #372
• cmd: fix watch functionality for unknown file extension even if --type set, fix watch when src is not a dir; see #372
• cmd: follow symlinks by default, new -p options will copy symlinks without following them, fixes #385
• cmd: use io/fs and demand Go1.16, see #388
• JS: add &&= ||= ??= operators, see #380
• JS: add support for class field definitions, fixes #380
• JS: fix recursion limit in string merging, fixes #382
• CSS: don't remove dimension for zero values inside functions like var and calc, fixes #371
• SVG: don't minify extremely long path data (OSS-Fuzz)
• HTML: keep space after empty <i></i>, fixes #390