Repository Issue Activity (beta)

#1637 Consider consolidating duplicated pivot_longer stack helpers

#1656 [PERF] Profile remaining pivot_longer stack fast paths

#1655 [PERF] Build pivot_longer reorder indexer with one NumPy allocation

#1652 [PERF] Optimize unsorted dual-range keep first/last selection

#1676 [BUG] adorn_pct_formatting, adorn_ns and adorn_rounding overwrite a numeric first column

#1649 [PERF] Simplify the conditional_join Python/Rust boundary

#1653 [PERF] Optimize conditional_join range min/max aggregations

#1671 [PERF] Use prefix sums for conditional_join range aggregations (float dtypes)

#1648 [PERF] Use prefix sums for conditional_join range aggregations (integer dtypes)

#1650 [PERF] Research NumPy/Pandas alternatives for no-range join kernels

#1670 [PERF] Add guarded fast paths for cartesian_product and expand

#1669 [PERF] Speed up complete for unsorted domains and many groups

#1659 [PERF] Selectivity-aware anchor selection for range joins (le_lt/ge_gt)

#1660 [PERF] Predicate-order sensitivity in join_algorithm='regions' (_not_range_join_regions.py)

#1666 [PERF] Extend selective bound selection to keep='all' for range joins

#1664 [PERF] Selective predicate selection doesn't reach equi+non-equi combined joins

#1657 [PERF] Extend selectivity-aware anchor predicate selection to keep='all'

#1641 [PERF] Optimize conditional_join anchor predicate selection

#1623 [INF] Automate contributor recognition across the project

#1636 Reduce repeated indexer and null-mask allocations in pivot_longer

#1645 [PERF] Avoid conditional_join input data copies during validation

#1635 pivot_longer_spec can silently overwrite identifier columns on .value collisions

#1634 pivot_longer column_level collapses duplicate labels and loses the row index

#1654 [PERF] Review conditional_join range product aggregations

#1651 [PERF] Avoid materializing all != matches for keep first/last