commits: c8c6a4bea656648f048b899dbe8b16f0d3c365aa

This data as json

sha	message	author_date	committer_date	raw_author	raw_committer	repo	author	committer
c8c6a4bea656648f048b899dbe8b16f0d3c365aa	Speed up .dt accessor by preserving Index objects. (#7796) * Speed up .dt accessor by preserving Index objects. * Switch to _replace * Add benchmark * Add whats-new * Shallow copy * Fix mypy * Revert "Fix mypy" This reverts commit fb0b0739ffef5efb9cbcac4bde23b925e05aabf4. --------- Co-authored-by: Illviljan <14371165+Illviljan@users.noreply.github.com>	2023-05-16T17:55:47Z	2023-05-16T17:55:47Z	0c7e9e762dbfd6554e60c953bf27493047d95109	cd792325681cbad9f663f2879d8b69f1edbb678f	13221727	2448579	19864447