\ref{xyz} with \usepackage{hyperref} not working correctly

Question

I use pdfTeX, Version 3.141592653-2.6-1.40.24 (TeX Live 2022) (preloaded format=pdflatex)

I put \label on sections, figures, etc.

I include \usepackage[colorlinks=true,urlcolor=blue]{hyperref}

I had been using texlive 2016. Until I installed texlive 2022, \ref{xyz} produced only the number for xyz.

Now it includes the number, the title (section name, figure caption, ...) what it is (section, figure, ...) and then the number again.

For example, with an equation having \label{Flow}, when I wrote "Equation (\ref{Flow})" I used to get "Equation (2)". Now I get "Equation (2Flowequation.3.2)"

This occurs both using \documentclass{article} and a proprietary class for a professional journal. I haven't tried others.

I've "compiled" in a fresh directory, so it's not due to confusion caused by an old .aux file.

Without including hyperref, I get only the number -- but of course no hyperlink.

Is there a repair for this?

=================================================================

In response to Carlisle's request for an example.

\documentclass[10pt]{article}

\usepackage[colorlinks=true,urlcolor=blue]{hyperref}

\begin{document}

as shown by Equation (\ref{Drag}) in section \ref{Flow}.

\section{Flow}\label{Flow}

Equating the drag force on a particle to the force of gravity determines
the velocity at which particles are suspended in equilibrium with upward
fluid flow:

\begin{equation}\label{Drag}
F_d = \frac12\, C_d\, \rho_s\, U_t^2\,  \pi\, \frac{d_f^2}4
 = F_g = \frac{4\pi}3\, \frac{d_f^3}8\, \rho_f \, g
\end{equation}

\end{document}

Answer 1

I made an experiment and copied an older version of nameref.sty in the same directory as the example file.

With nameref 2021-04-02 v2.47 and hyperref 2023-02-07 v7.00v the output is

The nameref package is automatically loaded by hyperref and it should be in a version compatible with the latter: their updates are coordinated. Having a copy of nameref.sty in the local tree is the cause of your problem. Remove it and rerun mktexlsr, so the 2022-05-17 v2.50 version will be used (if you have updated your TeX distribution).

In general, having in the local tree something that's also in the main tree is not recommended.

For personal preference, here's the fixed output from

\documentclass[10pt]{article}

\usepackage[colorlinks=true,urlcolor=blue]{hyperref}

\begin{document}

as shown by Equation (\ref{Drag}) in section \ref{Flow}.

\section{Flow}\label{Flow}

Equating the drag force on a particle to the force of gravity determines
the velocity at which particles are suspended in equilibrium with upward
fluid flow:
\begin{equation}\label{Drag}
F_d = \frac12 C_d \rho_s U_t^2  \pi \frac{d_f^2}4
 = F_g = \frac{4\pi}3 \frac{d_f^3}8 \rho_f  g
\end{equation}

\end{document}

No \, and no blank line before the displayed equation.