[BUG] Unable to change theme

[drewstopherlee]

Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

When navigating to the system settings page and clicking the dropdown for Theme where it says "Click to load...", nothing happens. Nothing is logged in the browser console. Cannot run CLI configuration as documented in https://xbackbone.app/configuration.html#changing-themes

Expected Behavior

Click dropdown, it loads a list of options, you click one and it changes the theme.

Steps To Reproduce

1. Navigate to the system settings page
2. Click the dropdown for Theme where it says "Click to load..."

Environment

- OS: Ubuntu 22.04.5 LTS
- How docker service was installed: Docker Compose version v2.40.2 
- Docker version 28.5.1, build e180ab8

CPU architecture

x86-64

Docker creation

services:
  xbackbone:
    image: lscr.io/linuxserver/xbackbone:latest
    container_name: xbackbone
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=America/New_York
    volumes:
      - /home/user/docker/xbackbone:/config
    ports:
      - 8005:80
      # - 443:443
    restart: unless-stopped

Container logs

xbackbone  | 2026-03-23T01:43:43.958699618Z [migrations] started
xbackbone  | 2026-03-23T01:43:43.964155280Z [migrations] 01-nginx-site-confs-default: skipped
xbackbone  | 2026-03-23T01:43:43.964173163Z [migrations] done
xbackbone  | 2026-03-23T01:43:49.938048569Z ───────────────────────────────────────
xbackbone  | 2026-03-23T01:43:49.938107352Z 
xbackbone  | 2026-03-23T01:43:49.938121273Z       ██╗     ███████╗██╗ ██████╗
xbackbone  | 2026-03-23T01:43:49.938132584Z       ██║     ██╔════╝██║██╔═══██╗
xbackbone  | 2026-03-23T01:43:49.938143417Z       ██║     ███████╗██║██║   ██║
xbackbone  | 2026-03-23T01:43:49.938153574Z       ██║     ╚════██║██║██║   ██║
xbackbone  | 2026-03-23T01:43:49.938163869Z       ███████╗███████║██║╚██████╔╝
xbackbone  | 2026-03-23T01:43:49.938174256Z       ╚══════╝╚══════╝╚═╝ ╚═════╝
xbackbone  | 2026-03-23T01:43:49.938183728Z 
xbackbone  | 2026-03-23T01:43:49.938193090Z    Brought to you by linuxserver.io
xbackbone  | 2026-03-23T01:43:49.938201775Z ───────────────────────────────────────
xbackbone  | 2026-03-23T01:43:49.938513486Z 
xbackbone  | 2026-03-23T01:43:49.938554627Z To support LSIO projects visit:
xbackbone  | 2026-03-23T01:43:49.938568144Z https://www.linuxserver.io/donate/
xbackbone  | 2026-03-23T01:43:49.938579201Z 
xbackbone  | 2026-03-23T01:43:49.938589637Z ───────────────────────────────────────
xbackbone  | 2026-03-23T01:43:49.938601621Z GID/UID
xbackbone  | 2026-03-23T01:43:49.938612421Z ───────────────────────────────────────
xbackbone  | 2026-03-23T01:43:49.945643501Z 
xbackbone  | 2026-03-23T01:43:49.945669525Z User UID:    1000
xbackbone  | 2026-03-23T01:43:49.945680635Z User GID:    1000
xbackbone  | 2026-03-23T01:43:49.945689790Z ───────────────────────────────────────
xbackbone  | 2026-03-23T01:43:49.947320167Z Linuxserver.io version: 3.8.1-ls217
xbackbone  | 2026-03-23T01:43:49.947480020Z Build-date: 2026-03-22T04:26:26+00:00
xbackbone  | 2026-03-23T01:43:49.947494333Z ───────────────────────────────────────
xbackbone  | 2026-03-23T01:43:49.947501000Z     
xbackbone  | 2026-03-23T01:43:50.018666619Z using keys found in /config/keys
xbackbone  | 2026-03-23T01:43:50.458543984Z [custom-init] No custom files found, skipping...
xbackbone  | 2026-03-23T01:43:50.476651095Z [ls.io-init] done.

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