Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
mingw32(libgtk-4-1.dll)
mingw32(libmedia-gstreamer.dll)
mingw32-gtk4
mingw32-pkgconfig(gtk4)
mingw32-pkgconfig(gtk4-win32)

Requires :

mingw32(advapi32.dll)
mingw32(comctl32.dll)
mingw32(comdlg32.dll)
mingw32(crypt32.dll)
mingw32(dwmapi.dll)
mingw32(gdi32.dll)
mingw32(hid.dll)
mingw32(imm32.dll)
mingw32(kernel32.dll)
mingw32(libcairo-2.dll)
mingw32(libcairo-gobject-2.dll)
mingw32(libcairo-script-interpreter-2.dll)
mingw32(libepoxy-0.dll)
mingw32(libfontconfig-1.dll)
mingw32(libfribidi-0.dll)
mingw32(libgcc_s_dw2-1.dll)
mingw32(libgdk_pixbuf-2.0-0.dll)
mingw32(libgio-2.0-0.dll)
mingw32(libglib-2.0-0.dll)
mingw32(libgmodule-2.0-0.dll)
mingw32(libgobject-2.0-0.dll)
mingw32(libgraphene-1.0-0.dll)
mingw32(libgstgl-1.0-0.dll)
mingw32(libgstplayer-1.0-0.dll)
mingw32(libgstreamer-1.0-0.dll)
mingw32(libgstvideo-1.0-0.dll)
mingw32(libgtk-4-1.dll)
mingw32(libharfbuzz-0.dll)
mingw32(libintl-8.dll)
mingw32(libjpeg-62.dll)
mingw32(libpango-1.0-0.dll)
mingw32(libpangocairo-1.0-0.dll)
mingw32(libpangoft2-1.0-0.dll)
mingw32(libpangowin32-1.0-0.dll)
mingw32(libpng16-16.dll)
mingw32(librsvg-2-2.dll)
mingw32(libtiff-5.dll)
mingw32(msvcrt.dll)
mingw32(ole32.dll)
mingw32(opengl32.dll)
mingw32(setupapi.dll)
mingw32(shell32.dll)
mingw32(user32.dll)
mingw32(winmm.dll)
mingw32-adwaita-icon-theme
mingw32-crt
mingw32-filesystem >= 95
mingw32-gtk4-update-icon-cache
mingw32-pkg-config
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsZstd) <= 5.4.18-1

Content of RPM :
/usr/i686-w64-mingw32/sys-root/mingw/bin/gtk4-builder-tool.exe
/usr/i686-w64-mingw32/sys-root/mingw/bin/gtk4-demo-application.exe
/usr/i686-w64-mingw32/sys-root/mingw/bin/gtk4-demo.exe
/usr/i686-w64-mingw32/sys-root/mingw/bin/gtk4-encode-symbolic-svg.exe
/usr/i686-w64-mingw32/sys-root/mingw/bin/gtk4-icon-browser.exe
/usr/i686-w64-mingw32/sys-root/mingw/bin/gtk4-node-editor.exe
/usr/i686-w64-mingw32/sys-root/mingw/bin/gtk4-path-tool.exe
/usr/i686-w64-mingw32/sys-root/mingw/bin/gtk4-print-editor.exe
/usr/i686-w64-mingw32/sys-root/mingw/bin/gtk4-query-settings.exe
/usr/i686-w64-mingw32/sys-root/mingw/bin/gtk4-rendernode-tool.exe
/usr/i686-w64-mingw32/sys-root/mingw/bin/gtk4-widget-factory.exe
/usr/i686-w64-mingw32/sys-root/mingw/bin/libgtk-4-1.dll
/usr/i686-w64-mingw32/sys-root/mingw/include/gtk-4.0
/usr/i686-w64-mingw32/sys-root/mingw/include/gtk-4.0/gdk
/usr/i686-w64-mingw32/sys-root/mingw/include/gtk-4.0/gdk/deprecated
/usr/i686-w64-mingw32/sys-root/mingw/include/gtk-4.0/gdk/deprecated/gdkpixbuf.h
/usr/i686-w64-mingw32/sys-root/mingw/include/gtk-4.0/gdk/gdk.h
/usr/i686-w64-mingw32/sys-root/mingw/include/gtk-4.0/gdk/gdkapplaunchcontext.h
/usr/i686-w64-mingw32/sys-root/mingw/include/gtk-4.0/gdk/gdkcairo.h
/usr/i686-w64-mingw32/sys-root/mingw/include/gtk-4.0/gdk/gdkcairocontext.h
/usr/i686-w64-mingw32/sys-root/mingw/include/gtk-4.0/gdk/gdkclipboard.h
/usr/i686-w64-mingw32/sys-root/mingw/include/gtk-4.0/gdk/gdkconfig.h
/usr/i686-w64-mingw32/sys-root/mingw/include/gtk-4.0/gdk/gdkcontentdeserializer.h
/usr/i686-w64-mingw32/sys-root/mingw/include/gtk-4.0/gdk/gdkcontentformats.h
/usr/i686-w64-mingw32/sys-root/mingw/include/gtk-4.0/gdk/gdkcontentprovider.h
/usr/i686-w64-mingw32/sys-root/mingw/include/gtk-4.0/gdk/gdkcontentproviderimpl.h
/usr/i686-w64-mingw32/sys-root/mingw/include/gtk-4.0/gdk/gdkcontentserializer.h
/usr/i686-w64-mingw32/sys-root/mingw/include/gtk-4.0/gdk/gdkcursor.h
/usr/i686-w64-mingw32/sys-root/mingw/include/gtk-4.0/gdk/gdkdevice.h
/usr/i686-w64-mingw32/sys-root/mingw/include/gtk-4.0/gdk/gdkdevicepad.h
There is 525 files more in these RPM.