Decimal Goes Back to Review

https://cppalliance.org/matt/2025/10/06/Matts2025Q3Update.html

The Decimal library is re‑entering Boost review (Oct 6‑15). Updates include renamed types/headers, simplified constructors, IEEE‑754 rounding, Antora docs, fmt and CMake support, and resolved review issues; hardware decimal and CUDA support are planned.