ibd is faster on the newer versions compared to the older ones because the assumevalid bypasses validation for much of the spam of the last 3 years.
v28 - block 856760 (august 2024)
v29 - block 886157
v30 - block 912683 (september 2025)
theres incremental improvements for assumevalid=0 across versions but insignificant to most hardware
just did a reindex recently
