yes, seems wxWidgets 3.2 with GTK3, See my ldd: ldd /usr/bin/calibrate_lens_gui linux-vdso.so.1 (0x00007ffebd596000) libhuginbasewx.so.0.0 => /usr/lib/hugin/libhuginbasewx.so.0.0 (0x00007ff6f4494000) libpano13.so.3 => /lib/x86_64-linux-gnu/libpano13.so.3 (0x00007ff6f43cf000) libtiff.so.5 => /lib/x86_64-linux-gnu/libtiff.so.5 (0x00007ff6f4343000) libwx_baseu-3.2.so.0 => /lib/x86_64-linux-gnu/libwx_baseu-3.2.so.0 (0x00007ff6f408f000) libwx_gtk3u_core-3.2.so.0 => /lib/x86_64-linux-gnu/libwx_gtk3u_core-3.2.so.0 (0x00007ff6f37f0000) libwx_gtk3u_xrc-3.2.so.0 => /lib/x86_64-linux-gnu/libwx_gtk3u_xrc-3.2.so.0 (0x00007ff6f36e3000) libhuginbase.so.0.0 => /usr/lib/hugin/libhuginbase.so.0.0 (0x00007ff6f30d9000) libstdc++.so.6 => /lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007ff6f2ebf000) libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007ff6f2de0000) libgomp.so.1 => /lib/x86_64-linux-gnu/libgomp.so.1 (0x00007ff6f2d98000) libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007ff6f2d78000) libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007ff6f2b95000) libwx_gtk3u_qa-3.2.so.0 => /lib/x86_64-linux-gnu/libwx_gtk3u_qa-3.2.so.0 (0x00007ff6f2b67000) libvigraimpex.so.11 => /lib/x86_64-linux-gnu/libvigraimpex.so.11 (0x00007ff6f2ad9000) liblcms2.so.2 => /lib/x86_64-linux-gnu/liblcms2.so.2 (0x00007ff6f2a76000) libhugin_python_interface.so.0.0 => /usr/lib/hugin/libhugin_python_interface.so.0.0 (0x00007ff6f2a6f000) libX11.so.6 => /lib/x86_64-linux-gnu/libX11.so.6 (0x00007ff6f292d000) libjpeg.so.62 => /lib/x86_64-linux-gnu/libjpeg.so.62 (0x00007ff6f2898000) libpng16.so.16 => /lib/x86_64-linux-gnu/libpng16.so.16 (0x00007ff6f2862000) libwebp.so.7 => /lib/x86_64-linux-gnu/libwebp.so.7 (0x00007ff6f27f1000) libzstd.so.1 => /lib/x86_64-linux-gnu/libzstd.so.1 (0x00007ff6f2738000) liblzma.so.5 => /lib/x86_64-linux-gnu/liblzma.so.5 (0x00007ff6f2710000) libLerc.so.4 => /lib/x86_64-linux-gnu/libLerc.so.4 (0x00007ff6f2676000) libjbig.so.0 => /lib/x86_64-linux-gnu/libjbig.so.0 (0x00007ff6f2400000) libdeflate.so.0 => /lib/x86_64-linux-gnu/libdeflate.so.0 (0x00007ff6f2650000) libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007ff6f2633000) libpcre2-32.so.0 => /lib/x86_64-linux-gnu/libpcre2-32.so.0 (0x00007ff6f2379000) libgtk-3.so.0 => /lib/x86_64-linux-gnu/libgtk-3.so.0 (0x00007ff6f1b39000) libgdk-3.so.0 => /lib/x86_64-linux-gnu/libgdk-3.so.0 (0x00007ff6f1a2f000) libpangocairo-1.0.so.0 => /lib/x86_64-linux-gnu/libpangocairo-1.0.so.0 (0x00007ff6f2620000) libpango-1.0.so.0 => /lib/x86_64-linux-gnu/libpango-1.0.so.0 (0x00007ff6f19c7000) libcairo.so.2 => /lib/x86_64-linux-gnu/libcairo.so.2 (0x00007ff6f18a3000) libgdk_pixbuf-2.0.so.0 => /lib/x86_64-linux-gnu/libgdk_pixbuf-2.0.so.0 (0x00007ff6f1875000) libgio-2.0.so.0 => /lib/x86_64-linux-gnu/libgio-2.0.so.0 (0x00007ff6f1697000) libgobject-2.0.so.0 => /lib/x86_64-linux-gnu/libgobject-2.0.so.0 (0x00007ff6f1638000) libglib-2.0.so.0 => /lib/x86_64-linux-gnu/libglib-2.0.so.0 (0x00007ff6f1501000) libSM.so.6 => /lib/x86_64-linux-gnu/libSM.so.6 (0x00007ff6f2613000) libnotify.so.4 => /lib/x86_64-linux-gnu/libnotify.so.4 (0x00007ff6f14f3000) libXtst.so.6 => /lib/x86_64-linux-gnu/libXtst.so.6 (0x00007ff6f14eb000) libpangoft2-1.0.so.0 => /lib/x86_64-linux-gnu/libpangoft2-1.0.so.0 (0x00007ff6f14d2000) libfontconfig.so.1 => /lib/x86_64-linux-gnu/libfontconfig.so.1 (0x00007ff6f148a000) libwx_gtk3u_html-3.2.so.0 => /lib/x86_64-linux-gnu/libwx_gtk3u_html-3.2.so.0 (0x00007ff6f13b2000) libwx_baseu_xml-3.2.so.0 => /lib/x86_64-linux-gnu/libwx_baseu_xml-3.2.so.0 (0x00007ff6f139f000) libboost_filesystem.so.1.74.0 => /lib/x86_64-linux-gnu/libboost_filesystem.so.1.74.0 (0x00007ff6f137e000) libexiv2.so.27 => /lib/x86_64-linux-gnu/libexiv2.so.27 (0x00007ff6f1094000) libOpenGL.so.0 => /lib/x86_64-linux-gnu/libOpenGL.so.0 (0x00007ff6f1069000) libGLX.so.0 => /lib/x86_64-linux-gnu/libGLX.so.0 (0x00007ff6f1035000) libGLU.so.1 => /lib/x86_64-linux-gnu/libGLU.so.1 (0x00007ff6f0fc2000) libGLEW.so.2.2 => /lib/x86_64-linux-gnu/libGLEW.so.2.2 (0x00007ff6f0f04000) libsqlite3.so.0 => /lib/x86_64-linux-gnu/libsqlite3.so.0 (0x00007ff6f0da5000) /lib64/ld-linux-x86-64.so.2 (0x00007ff6f4667000) libOpenEXR-3_1.so.30 => /lib/x86_64-linux-gnu/libOpenEXR-3_1.so.30 (0x00007ff6f0a94000) libImath-3_1.so.29 => /lib/x86_64-linux-gnu/libImath-3_1.so.29 (0x00007ff6f0a44000) libhdf5_serial.so.103 => /lib/x86_64-linux-gnu/libhdf5_serial.so.103 (0x00007ff6f0693000) libhdf5_serial_hl.so.100 => /lib/x86_64-linux-gnu/libhdf5_serial_hl.so.100 (0x00007ff6f066f000) libpython3.10.so.1.0 => /lib/x86_64-linux-gnu/libpython3.10.so.1.0 (0x00007ff6f009c000) libxcb.so.1 => /lib/x86_64-linux-gnu/libxcb.so.1 (0x00007ff6f0070000) libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007ff6f006b000) libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007ff6f0066000) libgmodule-2.0.so.0 => /lib/x86_64-linux-gnu/libgmodule-2.0.so.0 (0x00007ff6f0060000) libXi.so.6 => /lib/x86_64-linux-gnu/libXi.so.6 (0x00007ff6f004c000) libXfixes.so.3 => /lib/x86_64-linux-gnu/libXfixes.so.3 (0x00007ff6f0042000) libcairo-gobject.so.2 => /lib/x86_64-linux-gnu/libcairo-gobject.so.2 (0x00007ff6f0037000) libatk-1.0.so.0 => /lib/x86_64-linux-gnu/libatk-1.0.so.0 (0x00007ff6f000e000) libatk-bridge-2.0.so.0 => /lib/x86_64-linux-gnu/libatk-bridge-2.0.so.0 (0x00007ff6effd2000) libepoxy.so.0 => /lib/x86_64-linux-gnu/libepoxy.so.0 (0x00007ff6efea3000) libfribidi.so.0 => /lib/x86_64-linux-gnu/libfribidi.so.0 (0x00007ff6efe87000) libharfbuzz.so.0 => /lib/x86_64-linux-gnu/libharfbuzz.so.0 (0x00007ff6efd7f000) libXinerama.so.1 => /lib/x86_64-linux-gnu/libXinerama.so.1 (0x00007ff6efd7a000) libXrandr.so.2 => /lib/x86_64-linux-gnu/libXrandr.so.2 (0x00007ff6efd6d000) libXcursor.so.1 => /lib/x86_64-linux-gnu/libXcursor.so.1 (0x00007ff6efd60000) libXcomposite.so.1 => /lib/x86_64-linux-gnu/libXcomposite.so.1 (0x00007ff6efd5b000) libXdamage.so.1 => /lib/x86_64-linux-gnu/libXdamage.so.1 (0x00007ff6efd54000) libxkbcommon.so.0 => /lib/x86_64-linux-gnu/libxkbcommon.so.0 (0x00007ff6efd0e000) libwayland-egl.so.1 => /lib/x86_64-linux-gnu/libwayland-egl.so.1 (0x00007ff6efd09000) libwayland-client.so.0 => /lib/x86_64-linux-gnu/libwayland-client.so.0 (0x00007ff6efcf7000) libXext.so.6 => /lib/x86_64-linux-gnu/libXext.so.6 (0x00007ff6efce2000) libthai.so.0 => /lib/x86_64-linux-gnu/libthai.so.0 (0x00007ff6efcd5000) libpixman-1.so.0 => /lib/x86_64-linux-gnu/libpixman-1.so.0 (0x00007ff6efc2a000) libfreetype.so.6 => /lib/x86_64-linux-gnu/libfreetype.so.6 (0x00007ff6efb60000) libxcb-shm.so.0 => /lib/x86_64-linux-gnu/libxcb-shm.so.0 (0x00007ff6efb5b000) libxcb-render.so.0 => /lib/x86_64-linux-gnu/libxcb-render.so.0 (0x00007ff6efb4d000) libXrender.so.1 => /lib/x86_64-linux-gnu/libXrender.so.1 (0x00007ff6efb40000) libmount.so.1 => /lib/x86_64-linux-gnu/libmount.so.1 (0x00007ff6efadb000) libselinux.so.1 => /lib/x86_64-linux-gnu/libselinux.so.1 (0x00007ff6efaad000) libffi.so.8 => /lib/x86_64-linux-gnu/libffi.so.8 (0x00007ff6efaa1000) libpcre2-8.so.0 => /lib/x86_64-linux-gnu/libpcre2-8.so.0 (0x00007ff6efa07000) libICE.so.6 => /lib/x86_64-linux-gnu/libICE.so.6 (0x00007ff6ef9e9000) libuuid.so.1 => /lib/x86_64-linux-gnu/libuuid.so.1 (0x00007ff6ef9dd000) libexpat.so.1 => /lib/x86_64-linux-gnu/libexpat.so.1 (0x00007ff6ef9b2000) libGLdispatch.so.0 => /lib/x86_64-linux-gnu/libGLdispatch.so.0 (0x00007ff6ef8fa000) libGL.so.1 => /lib/x86_64-linux-gnu/libGL.so.1 (0x00007ff6ef873000) libIlmThread-3_1.so.30 => /lib/x86_64-linux-gnu/libIlmThread-3_1.so.30 (0x00007ff6ef86a000) libIex-3_1.so.30 => /lib/x86_64-linux-gnu/libIex-3_1.so.30 (0x00007ff6ef7e9000) libcrypto.so.3 => /lib/x86_64-linux-gnu/libcrypto.so.3 (0x00007ff6ef36a000) libcurl.so.4 => /lib/x86_64-linux-gnu/libcurl.so.4 (0x00007ff6ef2c4000) libsz.so.2 => /lib/x86_64-linux-gnu/libsz.so.2 (0x00007ff6ef2bf000) libXau.so.6 => /lib/x86_64-linux-gnu/libXau.so.6 (0x00007ff6ef2ba000) libXdmcp.so.6 => /lib/x86_64-linux-gnu/libXdmcp.so.6 (0x00007ff6ef000000) libatspi.so.0 => /lib/x86_64-linux-gnu/libatspi.so.0 (0x00007ff6ef27d000) libdbus-1.so.3 => /lib/x86_64-linux-gnu/libdbus-1.so.3 (0x00007ff6ef227000) libgraphite2.so.3 => /lib/x86_64-linux-gnu/libgraphite2.so.3 (0x00007ff6eefd4000) libdatrie.so.1 => /lib/x86_64-linux-gnu/libdatrie.so.1 (0x00007ff6ef21d000) libbrotlidec.so.1 => /lib/x86_64-linux-gnu/libbrotlidec.so.1 (0x00007ff6ef20e000) libblkid.so.1 => /lib/x86_64-linux-gnu/libblkid.so.1 (0x00007ff6eef7d000) libbsd.so.0 => /lib/x86_64-linux-gnu/libbsd.so.0 (0x00007ff6eef67000) libnghttp2.so.14 => /lib/x86_64-linux-gnu/libnghttp2.so.14 (0x00007ff6eef38000) libidn2.so.0 => /lib/x86_64-linux-gnu/libidn2.so.0 (0x00007ff6eef07000) librtmp.so.1 => /lib/x86_64-linux-gnu/librtmp.so.1 (0x00007ff6eeee8000) libssh2.so.1 => /lib/x86_64-linux-gnu/libssh2.so.1 (0x00007ff6eeea7000) libpsl.so.5 => /lib/x86_64-linux-gnu/libpsl.so.5 (0x00007ff6eee93000) libssl.so.3 => /lib/x86_64-linux-gnu/libssl.so.3 (0x00007ff6eedea000) libgssapi_krb5.so.2 => /lib/x86_64-linux-gnu/libgssapi_krb5.so.2 (0x00007ff6eed98000) libldap-2.5.so.0 => /lib/x86_64-linux-gnu/libldap-2.5.so.0 (0x00007ff6eed39000) liblber-2.5.so.0 => /lib/x86_64-linux-gnu/liblber-2.5.so.0 (0x00007ff6eed29000) libaec.so.0 => /lib/x86_64-linux-gnu/libaec.so.0 (0x00007ff6eed20000) libsystemd.so.0 => /lib/x86_64-linux-gnu/libsystemd.so.0 (0x00007ff6eec51000) libbrotlicommon.so.1 => /lib/x86_64-linux-gnu/libbrotlicommon.so.1 (0x00007ff6eec2e000) libmd.so.0 => /lib/x86_64-linux-gnu/libmd.so.0 (0x00007ff6eec21000) libunistring.so.2 => /lib/x86_64-linux-gnu/libunistring.so.2 (0x00007ff6eea6b000) libgnutls.so.30 => /lib/x86_64-linux-gnu/libgnutls.so.30 (0x00007ff6ee850000) libhogweed.so.6 => /lib/x86_64-linux-gnu/libhogweed.so.6 (0x00007ff6ee807000) libnettle.so.8 => /lib/x86_64-linux-gnu/libnettle.so.8 (0x00007ff6ee7b9000) libgmp.so.10 => /lib/x86_64-linux-gnu/libgmp.so.10 (0x00007ff6ee738000) libkrb5.so.3 => /lib/x86_64-linux-gnu/libkrb5.so.3 (0x00007ff6ee65e000) libk5crypto.so.3 => /lib/x86_64-linux-gnu/libk5crypto.so.3 (0x00007ff6ee631000) libcom_err.so.2 => /lib/x86_64-linux-gnu/libcom_err.so.2 (0x00007ff6ee62b000) libkrb5support.so.0 => /lib/x86_64-linux-gnu/libkrb5support.so.0 (0x00007ff6ee61d000) libsasl2.so.2 => /lib/x86_64-linux-gnu/libsasl2.so.2 (0x00007ff6ee600000) libcap.so.2 => /lib/x86_64-linux-gnu/libcap.so.2 (0x00007ff6ee5f3000) libgcrypt.so.20 => /lib/x86_64-linux-gnu/libgcrypt.so.20 (0x00007ff6ee4ac000) liblz4.so.1 => /lib/x86_64-linux-gnu/liblz4.so.1 (0x00007ff6ee486000) libp11-kit.so.0 => /lib/x86_64-linux-gnu/libp11-kit.so.0 (0x00007ff6ee351000) libtasn1.so.6 => /lib/x86_64-linux-gnu/libtasn1.so.6 (0x00007ff6ee33c000) libkeyutils.so.1 => /lib/x86_64-linux-gnu/libkeyutils.so.1 (0x00007ff6ee333000) libresolv.so.2 => /lib/x86_64-linux-gnu/libresolv.so.2 (0x00007ff6ee322000) libgpg-error.so.0 => /lib/x86_64-linux-gnu/libgpg-error.so.0 (0x00007ff6ee2fa000)