0.05 2026-01-27
  - Ensure AV is explicitly cast to SV in newRV_inc

0.04 2026-01-27
  - Use G_ARRAY on older Perl

0.03 2026-01-27
  - Standardized scalar return behavior for set operations in 
    line with pure-Perl behavior.
  - Added keys_partition(), which partitions keys into three 
    disjoint sets: A \ B, A ∩ B, and B \ A.

0.02 2026-01-26
  - Optimize hash key set operations
  - Added dev/bench.pl
  - Added Hash::Util::Set as a prerequisite
  - Dropped Devel::PPPort as a prerequisite

0.01 2026-01-25
  - Initial CPAN release.
