I'm currently working (on and off) on improving the performance of specific "kinds"/"shapes" of btree indexes by several %s (depending on shape it can be tens o

I'm currently working (on and off) on improving the performance of specific "kinds"/"shapes" of btree indexes by several %s (depending on shape it can be tens of percents). I hope and expect that it'll be ready for Pg16, but that of course assumes that the concept behind the implementation is acceptable. See https://www.postgresql.org/message-id/flat/CAEze2Wg52tsSWA9Fy7OCXx-K7pPLMNxA_fmQ6-%2B_pzR-AoODDA%40mail.gmail.com https://www.postgresql.org/message-id/flat/CAEze2Wg52tsSWA9F... for specifics