v0.21.0

What's Changed

• ✨ feat(vectors): convert to jax array by @nstarman in #380
• ✨ feat(operators): time arg order by @nstarman in #381
• ✨ feat(vectors): add dimensions property by @nstarman in #382
• 📝 docs: remove unneeded type annotations by @nstarman in #383
• 💥 boom(vecs): rename GenericCartesian3D to Cartesian3D by @nstarman in #386
• 🎨 style: move angle,distance dispatches to modules by @nstarman in #385
• ✨ feat(vectors): new low-level vconvert mechanism by @nstarman in #384
• ♻️ refactor(vecs): vconvert_impl to vconvert and more dispatches by @nstarman in #387
• ✨ feat(distance): distance measures funcs by @nstarman in #389
• ✨ feat(frames): base space-frame xfm through ICRS by @nstarman in #390
• ✨ feat(vectors): differential vconvert for dict inputs by @nstarman in #391
• style: import functools as ft by @nstarman in #394
• ⬆️ dep-bump: jax, quax, etc by @nstarman in #396

Full Changelog: v0.20.1...v0.21.0