Doing \setmathfont{...} and then \setmathfont{...}[range={bb}] produces inconsist glyphs for 𝕒 and \symbb{a}:
I am using TeX Live 2025.
Minimum working example:
%!TeX xelatex
\documentclass[11pt]{article}
\usepackage{unicode-math}
\setmathfont{TeXGyrePagellaMath}
\setmathfont{TeXGyreScholaMath}[range={bb}]
\begin{document}
$𝕒\symbb{a}$
\end{document}

Doing
\setmathfont{...}and then\setmathfont{...}[range={bb}]produces inconsist glyphs for𝕒and\symbb{a}:I am using TeX Live 2025.
Minimum working example: