Firefox bookmarks sidebar almost complete white, not readable

Hi all,

I am using Firefox 146.0-1 (64 Bit). After the last upgrade on Wed 10.12.2025 to this version, the bookmarks and history sidebar are not readable since the entries appear with white font on white background. The icons if available are the only visible items.

Hovering around, the item under the mouse position is shown with white text color and very-light-grey background. It is nearly unreadable.

Only by clicking on a well-known icon, the webpage opens and the bookmark text ist visible with white font on black background.

It does not matter whether the Firefox apperance mode (not sure about the English terms) is set to bright, dark or automatic.

It would be great if anyone could help. Thank you in advance!

Output of inxi -zv8:

System:
  Kernel: 6.18.0-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 15.2.1
    clocksource: tsc avail: hpet,acpi_pm
    parameters: BOOT_IMAGE=/boot/vmlinuz-6.18-x86_64
    root=UUID=35ec319e-09bb-4c44-bd1d-3fe78a3ab59c rw quiet splash apparmor=1
    security=apparmor udev.log_priority=3
  Desktop: GNOME v: 49.2 tk: GTK v: 3.24.51 wm: gnome-shell
    tools: gsd-screensaver-proxy dm: GDM v: 49.2 Distro: Manjaro
    base: Arch Linux
Machine:
  Type: Desktop System: Gigabyte product: A520M S2H v: -CF
    serial: <superuser required>
  Mobo: Gigabyte model: A520M S2H v: x.x serial: <superuser required>
    uuid: <superuser required> Firmware: UEFI vendor: American Megatrends LLC.
    v: F19b date: 07/11/2024
Battery:
  Message: No system battery data found. Is one present?
Memory:
  System RAM: total: 16 GiB available: 14.99 GiB used: 3.34 GiB (22.3%)
  Message: For most reliable report, use superuser + dmidecode.
  Array-1: capacity: 128 GiB slots: 4 modules: 2 EC: None
    max-module-size: 32 GiB note: est.
  Device-1: Channel-A DIMM 0 type: no module installed
  Device-2: Channel-A DIMM 1 type: DDR4 detail: synchronous unbuffered
    (unregistered) size: 8 GiB speed: 3200 MT/s volts: note: check curr: 1
    min: 1 max: 1 width (bits): data: 64 total: 64 manufacturer: G.Skill
    part-no: F4-3200C16-8GIS serial: N/A
  Device-3: Channel-B DIMM 0 type: no module installed
  Device-4: Channel-B DIMM 1 type: DDR4 detail: synchronous unbuffered
    (unregistered) size: 8 GiB speed: 3200 MT/s volts: note: check curr: 1
    min: 1 max: 1 width (bits): data: 64 total: 64 manufacturer: G.Skill
    part-no: F4-3200C16-8GIS serial: N/A
PCI Slots:
  Permissions: Unable to run dmidecode. Root privileges required.
CPU:
  Info: model: AMD Ryzen 7 5700G with Radeon Graphics bits: 64 type: MT MCP
    arch: Zen 3 gen: 3 level: v3 note: check built: 2021-22
    process: TSMC n7 (7nm) family: 0x19 (25) model-id: 0x50 (80) stepping: 0
    microcode: 0xA500012
  Topology: cpus: 1x dies: 1 clusters: 1 cores: 8 threads: 16 tpc: 2
    smt: enabled cache: L1: 512 KiB desc: d-8x32 KiB; i-8x32 KiB L2: 4 MiB
    desc: 8x512 KiB L3: 16 MiB desc: 1x16 MiB
  Speed (MHz): avg: 2991 min/max: 422/4674 boost: enabled scaling:
    driver: amd-pstate-epp governor: powersave cores: 1: 2991 2: 2991 3: 2991
    4: 2991 5: 2991 6: 2991 7: 2991 8: 2991 9: 2991 10: 2991 11: 2991 12: 2991
    13: 2991 14: 2991 15: 2991 16: 2991 bogomips: 121372
  Flags: 3dnowprefetch abm adx aes aperfmperf apic arat avic avx avx2 bmi1
    bmi2 bpext cat_l3 cdp_l3 clflush clflushopt clwb clzero cmov cmp_legacy
    constant_tsc cpb cppc cpuid cqm cqm_llc cqm_mbm_local cqm_mbm_total
    cqm_occup_llc cr8_legacy cx16 cx8 de debug_swap decodeassists erms
    extapic extd_apicid f16c flushbyasid fma fpu fsgsbase fsrm fxsr fxsr_opt
    ht hw_pstate ibpb ibrs ibs invpcid irperf lahf_lm lbrv lm mba mca mce
    misalignsse mmx mmxext monitor movbe msr mtrr mwaitx nonstop_tsc nopl npt
    nrip_save nx ospke osvw overflow_recov pae pat pausefilter pclmulqdq
    pdpe1gb perfctr_core perfctr_llc perfctr_nb pfthreshold pge pku pni
    popcnt pse pse36 rapl rdpid rdpru rdrand rdseed rdt_a rdtscp rep_good sep
    sha_ni skinit smap smca smep ssbd sse sse2 sse4_1 sse4_2 sse4a ssse3
    stibp succor svm_lock syscall tce topoext tsc tsc_scale umip user_shstk
    v_spec_ctrl v_vmsave_vmload vaes vgif vmcb_clean vme vmmcall vpclmulqdq
    wbnoinvd wdt x2apic xgetbv1 xsave xsavec xsaveerptr xsaveopt xsaves
    xtopology
  Vulnerabilities:
  Type: gather_data_sampling status: Not affected
  Type: ghostwrite status: Not affected
  Type: indirect_target_selection status: Not affected
  Type: itlb_multihit status: Not affected
  Type: l1tf status: Not affected
  Type: mds status: Not affected
  Type: meltdown status: Not affected
  Type: mmio_stale_data status: Not affected
  Type: old_microcode status: Not affected
  Type: reg_file_data_sampling status: Not affected
  Type: retbleed status: Not affected
  Type: spec_rstack_overflow mitigation: Safe RET
  Type: spec_store_bypass mitigation: Speculative Store Bypass disabled via
    prctl
  Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer
    sanitization
  Type: spectre_v2 mitigation: Retpolines; IBPB: conditional; IBRS_FW;
    STIBP: always-on; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not
    affected
  Type: srbds status: Not affected
  Type: tsa mitigation: Clear CPU buffers
  Type: tsx_async_abort status: Not affected
  Type: vmscape mitigation: IBPB before exit to userspace
Graphics:
  Device-1: Advanced Micro Devices [AMD/ATI] Cezanne [Radeon Vega Series /
    Radeon Mobile Series] vendor: Gigabyte driver: amdgpu v: kernel
    arch: GCN-5 code: Vega process: GF 14nm built: 2017-20 pcie: gen: 3
    speed: 8 GT/s lanes: 16 ports: active: HDMI-A-2 empty: DP-1,HDMI-A-1
    bus-ID: 05:00.0 chip-ID: 1002:1638 class-ID: 0300 temp: 32.0 C
  Device-2: Generalplus GENERAL WEBCAM driver: snd-usb-audio,uvcvideo
    type: USB rev: 2.0 speed: 480 Mb/s lanes: 1 mode: 2.0 bus-ID: 1-7:2
    chip-ID: 1b3f:2247 class-ID: 0102 serial: <filter>
  Display: wayland server: X.org v: 1.21.1.21 with: Xwayland v: 24.1.9
    compositor: gnome-shell driver: X: loaded: modesetting alternate: fbdev,vesa
    dri: crocus gpu: amdgpu display-ID: 0
  Monitor-1: HDMI-A-2 model: NEC EA231WMi serial: <filter> built: 2009
    res: 1920x1080 dpi: 96 gamma: 1.2 chroma: red: x: 0.643 y: 0.333 green:
    x: 0.302 y: 0.616 blue: x: 0.145 y: 0.071 white: x: 0.314 y: 0.329
    size: 510x287mm (20.08x11.3") diag: 585mm (23") ratio: 16:9
    modes: 1920x1080, 1680x1050, 1400x1050, 1600x900, 1280x1024, 1440x900,
    1280x960, 1280x800, 1152x864, 1280x720, 1024x768, 832x624, 800x600,
    720x576, 720x480, 640x480, 720x400
  API: EGL v: 1.5 hw: drv: amd radeonsi platforms: device: 0 drv: radeonsi
    device: 1 drv: swrast gbm: drv: kms_swrast surfaceless: drv: radeonsi
    wayland: drv: radeonsi x11: drv: radeonsi
  API: OpenGL v: 4.6 compat-v: 4.5 vendor: amd mesa v: 25.3.1-arch1.2
    glx-v: 1.4 direct-render: yes renderer: AMD Radeon Graphics (radeonsi
    renoir ACO DRM 3.64 6.18.0-1-MANJARO) device-ID: 1002:1638 memory: 500 MiB
    unified: no display-ID: :0.0
  Info: Tools: api: eglinfo,glxinfo x11: xdpyinfo,xprop
Audio:
  Device-1: Advanced Micro Devices [AMD/ATI] Renoir/Cezanne HDMI/DP Audio
    driver: snd_hda_intel v: kernel pcie: gen: 3 speed: 8 GT/s lanes: 16
    bus-ID: 05:00.1 chip-ID: 1002:1637 class-ID: 0403
  Device-2: Advanced Micro Devices [AMD] Family 17h/19h/1ah HD Audio
    vendor: Gigabyte driver: snd_hda_intel v: kernel pcie: gen: 3 speed: 8 GT/s
    lanes: 16 bus-ID: 05:00.6 chip-ID: 1022:15e3 class-ID: 0403
  Device-3: Generalplus GENERAL WEBCAM driver: snd-usb-audio,uvcvideo
    type: USB rev: 2.0 speed: 480 Mb/s lanes: 1 mode: 2.0 bus-ID: 1-7:2
    chip-ID: 1b3f:2247 class-ID: 0102 serial: <filter>
  API: ALSA v: k6.18.0-1-MANJARO status: kernel-api with: aoss
    type: oss-emulator tools: alsactl,alsamixer,amixer
  Server-1: sndiod v: N/A status: off tools: aucat,midicat,sndioctl
  Server-2: JACK v: 1.9.22 status: off with: a2jmidid status: off
    tools: jack_control,qjackctl
  Server-3: PipeWire v: 1.4.9 status: off with: 1: wireplumber status: off
    2: pipewire-alsa type: plugin tools: pw-cat,pw-cli,wpctl
  Server-4: PulseAudio v: 17.0-93-gbe2efb status: active with:
    1: pulseaudio-alsa type: plugin 2: pulseaudio-jack type: module
    tools: pacat,pactl,pavucontrol
Network:
  Device-1: Realtek RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet
    vendor: Gigabyte driver: r8169 v: kernel pcie: gen: 1 speed: 2.5 GT/s
    lanes: 1 port: f000 bus-ID: 03:00.0 chip-ID: 10ec:8168 class-ID: 0200
  IF: enp3s0 state: up speed: 1000 Mbps duplex: full mac: <filter>
  IP v4: <filter> type: dynamic noprefixroute scope: global
    broadcast: <filter>
  IP v6: <filter> type: dynamic noprefixroute scope: global
  IP v6: <filter> type: noprefixroute scope: link
  Info: services: NetworkManager, sshd, systemd-timesyncd, wpa_supplicant
  WAN IP: <filter>
Bluetooth:
  Message: No bluetooth data found.
Logical:
  Message: No logical block device data found.
RAID:
  Message: No RAID data found.
Drives:
  Local Storage: total: 15.46 TiB used: 8.8 TiB (56.9%)
  SMART Message: Required tool smartctl not installed. Check --recommends
  ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: Kingston model: SNV2S1000G
    size: 931.51 GiB block-size: physical: 512 B logical: 512 B speed: 63.2 Gb/s
    lanes: 4 tech: SSD serial: <filter> fw-rev: SCP00102 temp: 41.9 C
    scheme: GPT
  ID-2: /dev/sda maj-min: 8:0 vendor: Seagate model: ST8000VN004-3CP101
    size: 7.28 TiB block-size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
    tech: HDD rpm: 7200 serial: <filter> fw-rev: SC60
  ID-3: /dev/sdb maj-min: 8:16 vendor: Seagate model: ST4000DM000-1F2168
    size: 3.64 TiB block-size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
    tech: HDD rpm: 5900 serial: <filter> fw-rev: CC54 scheme: GPT
  ID-4: /dev/sdc maj-min: 8:32 vendor: Seagate model: ST4000DM004-2CV104
    size: 3.64 TiB block-size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
    tech: HDD rpm: 5425 serial: <filter> fw-rev: 0001 scheme: GPT
  Optical-1: /dev/sr0 vendor: HL-DT-ST model: BD-RE BH16NS55 rev: 1.00
    dev-links: cdrom
  Features: speed: 48 multisession: yes audio: yes dvd: yes
    rw: cd-r,cd-rw,dvd-r,dvd-ram state: running
Partition:
  ID-1: / raw-size: 48.83 GiB size: 47.76 GiB (97.81%) used: 31.62 GiB (66.2%)
    fs: ext4 dev: /dev/nvme0n1p1 maj-min: 259:1 label: root
    uuid: 35ec319e-09bb-4c44-bd1d-3fe78a3ab59c
  ID-2: /boot/efi raw-size: 866.2 MiB size: 864.5 MiB (99.80%)
    used: 324 KiB (0.0%) fs: vfat dev: /dev/nvme0n1p4 maj-min: 259:4 label: N/A
    uuid: AB88-2F26
  ID-3: /home raw-size: 849.61 GiB size: 849.61 GiB (100.00%)
    used: 835.29 GiB (98.3%) fs: btrfs dev: /dev/nvme0n1p2 maj-min: 259:2
    label: home uuid: 2d70cdb3-28a4-48b8-a37c-a924500b2bd4
  ID-4: /mnt/Archiv1 raw-size: 3.62 TiB size: 3.62 TiB (100.00%)
    used: 3.61 TiB (99.7%) fs: btrfs dev: /dev/sdb1 maj-min: 8:17 label: Archiv1
    uuid: 55b25928-a708-4f5f-89fd-828b0d04e455
  ID-5: /mnt/Archiv2 raw-size: 3.64 TiB size: 3.64 TiB (100.00%)
    used: 3.63 TiB (99.7%) fs: btrfs dev: /dev/sdc1 maj-min: 8:33 label: Archiv2
    uuid: 2b666169-36d6-4762-a7dc-362965d4fc05
  ID-6: /mnt/Archiv3 raw-size: 7.28 TiB size: 7.28 TiB (100.00%)
    used: 732.72 GiB (9.8%) fs: btrfs dev: /dev/sda maj-min: 8:0 label: Archiv3
    uuid: 1d423d8c-eccd-4ca0-b0f7-b6b52f53f6d1
  ID-7: /mnt/DiskStorage raw-size: N/A size: 15.37 TiB
    used: 8.77 TiB (57.1%) fs: fuse.mergerfs
    logical: home:mnt/Archiv1:mnt/Archiv2:mnt/Archiv3
Swap:
  Kernel: swappiness: 60 (default) cache-pressure: 100 (default) zswap: yes
    compressor: zstd max-pool: 20%
  ID-1: swap-1 type: partition size: 32.23 GiB used: 0 KiB (0.0%)
    priority: -2 dev: /dev/nvme0n1p3 maj-min: 259:3 label: N/A
    uuid: 23fcba61-42b9-449b-bedc-1120dbf49688
Unmounted:
  Message: No unmounted partitions found.
USB:
  Hub-1: 1-0:1 info: hi-speed hub with single TT ports: 9 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Device-1: 1-7:2 info: Generalplus GENERAL WEBCAM type: video,audio
    driver: snd-usb-audio,uvcvideo interfaces: 4 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 power: 100mA
    chip-ID: 1b3f:2247 class-ID: 0102 serial: <filter>
  Device-2: 1-9:3 info: Integrated Express RGB LED Controller type: HID
    driver: hid-generic,usbhid interfaces: 1 rev: 2.0 speed: 12 Mb/s (1.4 MiB/s)
    lanes: 1 mode: 1.1 power: 100mA chip-ID: 048d:5702 class-ID: 0300
  Hub-2: 2-0:1 info: super-speed hub ports: 3 rev: 3.1
    speed: 10 Gb/s (1.16 GiB/s) lanes: 1 mode: 3.2 gen-2x1 chip-ID: 1d6b:0003
    class-ID: 0900
  Hub-3: 3-0:1 info: hi-speed hub with single TT ports: 4 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Device-1: 3-1:2 info: Microsoft Wired Keyboard 400 type: keyboard
    driver: hid-generic,usbhid interfaces: 1 rev: 2.0
    speed: 1.5 Mb/s (183 KiB/s) lanes: 1 mode: 1.0 power: 100mA
    chip-ID: 045e:0752 class-ID: 0301
  Device-2: 3-2:3 info: Microsoft Basic Optical Mouse v2.0 type: mouse
    driver: hid-generic,usbhid interfaces: 1 rev: 1.1
    speed: 1.5 Mb/s (183 KiB/s) lanes: 1 mode: 1.0 power: 100mA
    chip-ID: 045e:00cb class-ID: 0301
  Hub-4: 4-0:1 info: super-speed hub ports: 2 rev: 3.1
    speed: 10 Gb/s (1.16 GiB/s) lanes: 1 mode: 3.2 gen-2x1 chip-ID: 1d6b:0003
    class-ID: 0900
  Hub-5: 5-0:1 info: hi-speed hub with single TT ports: 4 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Hub-6: 6-0:1 info: super-speed hub ports: 2 rev: 3.1
    speed: 10 Gb/s (1.16 GiB/s) lanes: 1 mode: 3.2 gen-2x1 chip-ID: 1d6b:0003
    class-ID: 0900
Sensors:
  System Temperatures: cpu: 38.4 C mobo: 30.0 C gpu: amdgpu temp: 33.0 C
  Fan Speeds (rpm): N/A
Repos:
  Packages: 1897 pm: pacman pkgs: 1883 libs: 440 tools: gnome-software,pamac
    pm: flatpak pkgs: 14
  Active pacman repo servers in: /etc/pacman.d/mirrorlist
    1: https://mirror.easyname.at/manjaro/stable/$repo/$arch
    2: https://manjaro.syxpi.fr/manjaro/stable/$repo/$arch
    3: https://ftp.rz.tu-bs.de/pub/mirror/manjaro.org/repos/stable/$repo/$arch
    4: https://mirrors.dotsrc.org/manjaro/stable/$repo/$arch
    5: https://mirrors.ft.uam.es/manjaro/stable/$repo/$arch
    6: https://nnenix.mm.fcix.net/manjaro/stable/$repo/$arch
    7: https://mirror.aarnet.edu.au/pub/manjaro/stable/$repo/$arch
    8: https://mirrors.tuna.tsinghua.edu.cn/manjaro/stable/$repo/$arch
Processes:
  CPU top: 5 of 489
  1: cpu: 17.6% command: localsearch-extractor-3 pid: 8552
    mem: 45.2 MiB (0.2%)
  2: cpu: 8.4% command: firefox pid: 5287 mem: 628.3 MiB (4.0%)
  3: cpu: 4.7% command: firefox pid: 6054 mem: 279.8 MiB (1.8%)
  4: cpu: 4.0% command: gnome-shell pid: 3105 mem: 303.4 MiB (1.9%)
  5: cpu: 3.0% command: localsearch-3 pid: 3595 mem: 40.6 MiB (0.2%)
  Memory top: 5 of 489
  1: mem: 628.3 MiB (4.0%) command: firefox pid: 5287 cpu: 8.4%
  2: mem: 510.2 MiB (3.3%) command: firefox pid: 6068 cpu: 3.0%
  3: mem: 303.4 MiB (1.9%) command: gnome-shell pid: 3105 cpu: 4.0%
  4: mem: 279.8 MiB (1.8%) command: firefox pid: 6054 cpu: 4.7%
  5: mem: 251.2 MiB (1.6%) command: firefox pid: 5982 cpu: 1.8%
Info:
  Processes: 489 Power: uptime: 4m states: freeze,mem,disk suspend: deep
    avail: s2idle wakeups: 0 hibernate: platform avail: shutdown, reboot,
    suspend, test_resume image: 5.97 GiB services: gsd-power,
    power-profiles-daemon, upowerd Init: systemd v: 258 default: graphical
    tool: systemctl
  Compilers: clang: 21.1.6 gcc: 15.2.1 Shell: Zsh v: 5.9
    running-in: gnome-terminal inxi: 3.3.40

I helped myself:
First, I played with settings and discovered that adding a theme brings back readable sidebars. But I didn’t like most themes. I discovered a “system theme - automatic” and activated it. Now the sidebars look like before in dark mode: white text color, dark background.

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