SOLVED: Jpeg XL .jxl photos do not appear

[jellyforphotos]

I used Chrome indeed, and tried also Firefox.

Also in the logs

this seems strange ? : it is indicated a different ffmpeg version? Found ffmpeg version "5.1.4"

[2024-05-09 08:56:52.218 +00:00] [INF] Operating system: "Linux"
[2024-05-09 08:56:52.218 +00:00] [INF] Architecture: X64
[2024-05-09 08:56:52.218 +00:00] [INF] 64-Bit Process: True
[2024-05-09 08:56:52.218 +00:00] [INF] User Interactive: True
[2024-05-09 08:56:52.218 +00:00] [INF] Processor count: 2
[2024-05-09 08:56:52.218 +00:00] [INF] Program data path: "/var/lib/jellyfin"
[2024-05-09 08:56:52.218 +00:00] [INF] Web resources path: "/usr/share/jellyfin/web"
[2024-05-09 08:56:52.218 +00:00] [INF] Application directory: "/usr/lib/jellyfin/bin/"
[2024-05-09 08:56:52.329 +00:00] [INF] Setting cache path: "/var/cache/jellyfin"
[2024-05-09 08:56:52.342 +00:00] [INF] Loading assemblies
[2024-05-09 08:56:52.407 +00:00] [INF] Defined LAN addresses : "[10.0.0.0/8,172.16.0.0/12,192.168.0.0/16]"
[2024-05-09 08:56:52.407 +00:00] [INF] Defined LAN exclusions : "[]"
[2024-05-09 08:56:52.408 +00:00] [INF] Using LAN addresses: "[10.0.0.0/8,172.16.0.0/12,192.168.0.0/16]"
[2024-05-09 08:56:52.410 +00:00] [INF] Using bind addresses: "[]"
[2024-05-09 08:56:52.410 +00:00] [INF] Using bind exclusions: "[]"
[2024-05-09 08:56:53.554 +00:00] [INF] Loaded plugin: "TMDb" "10.8.13.0"
[2024-05-09 08:56:53.554 +00:00] [INF] Loaded plugin: "Studio Images" "10.8.13.0"
[2024-05-09 08:56:53.554 +00:00] [INF] Loaded plugin: "OMDb" "10.8.13.0"
[2024-05-09 08:56:53.555 +00:00] [INF] Loaded plugin: "MusicBrainz" "10.8.13.0"
[2024-05-09 08:56:53.555 +00:00] [INF] Loaded plugin: "AudioDB" "10.8.13.0"
[2024-05-09 08:56:53.583 +00:00] [INF] Kestrel listening on "Any IP4 Address"
[2024-05-09 08:56:53.748 +00:00] [INF] Running startup tasks
[2024-05-09 08:56:53.774 +00:00] [INF] Daily trigger for "Extraire les images de chapitre" set to fire at 2024-05-10 02:00:00.000 +00:00, which is 17:03:06.2255374 from now.
[2024-05-09 08:56:53.835 +00:00] [INF] Found ffmpeg version "5.1.4"
[2024-05-09 08:56:53.856 +00:00] [INF] Available "decoders": ["libdav1d", "av1", "av1_cuvid", "av1_qsv", "h264", "h264_qsv", "h264_cuvid", "hevc", "hevc_qsv", "hevc_cuvid", "mpeg2video", "mpeg2_qsv", "mpeg2_cuvid", "mpeg4", "mpeg4_cuvid", "msmpeg4", "vc1_qsv", "vc1_cuvid", "vp8", "libvpx", "vp8_cuvid", "vp8_qsv", "vp9", "libvpx-vp9", "vp9_cuvid", "vp9_qsv", "aac", "ac3", "dca", "flac", "mp3", "truehd"]
[2024-05-09 08:56:53.865 +00:00] [INF] Available "encoders": ["libx264", "h264_amf", "h264_nvenc", "h264_qsv", "h264_v4l2m2m", "h264_vaapi", "libx265", "hevc_amf", "hevc_nvenc", "hevc_qsv", "hevc_vaapi", "mpeg4", "msmpeg4", "libvpx", "libvpx-vp9", "aac", "libfdk_aac", "ac3", "dca", "flac", "libmp3lame", "libopus", "truehd", "libvorbis", "srt"]
[2024-05-09 08:56:53.876 +00:00] [INF] Available filters: ["deinterlace_qsv", "deinterlace_vaapi", "hwupload_cuda", "hwupload_vaapi", "overlay_opencl", "overlay_qsv", "overlay_vaapi", "overlay_cuda", "procamp_vaapi", "scale_cuda", "scale_opencl", "scale_qsv", "scale_vaapi", "tonemap_cuda", "tonemap_opencl", "tonemap_vaapi", "vpp_qsv", "yadif_cuda", "zscale", "alphasrc"]
[2024-05-09 08:56:53.928 +00:00] [INF] Available hwaccel types: ["cuda", "vaapi", "qsv", "drm", "opencl", "vulkan"]
[2024-05-09 08:56:53.983 +00:00] [INF] FFmpeg: "/usr/lib/jellyfin-ffmpeg/ffmpeg"