Open source contributions
- join: accept repeated options like GNU
- [`ruff`] Skip `with` blocks before `yield` in `unnecessary-assign-bef…
- fix: validate a slice or map flag once all of its values are parsed
- seq, tac, numfmt, sum, ptx: accept repeated options like GNU
- fix[invert, omit, pick]: handle null and undefined without throwing
- fix[findLast, some]: do not treat length as an element of array-likes
- fix[pickBy]: do not treat objects with a numeric length as array-like
- fix[groupBy, keyBy, countBy]: keep __proto__ as an own property