My created theme isn't loaded in popout windows

Steps to reproduce

  1. Go to the community theme store and search for “Red Solitude”.
  2. Install that and open a note in an popout window.

Expected result

The the gets applied to the original window and to the popout window.

Actual result

The theme is only applied to the original window.

Environment

  • Operating system:
    Manjaro Kernel 5.18 KDE 5.24.6
    Obsidian v0.15.9 Installed from the community repo
  • Debug info:
    SYSTEM INFO:
    Obsidian version: v0.15.9
    Installer version: v0.15.9
    Operating system: #1 SMP PREEMPT_DYNAMIC Sun Jul 17 14:33:15 UTC 2022 5.18.12-3-MANJARO
    Login status: not logged in
    Insider build toggle: off
    Live preview: on
    Legacy editor: off
    Base theme: dark
    Community theme: Red Solitude
    Snippets enabled: 8
    Restricted mode: off
    Plugins installed: 39
    Plugins enabled: 38
    1: Calendar v1.5.10
    2: Dataview v0.5.41
    3: Editor Syntax Highlight v0.1.3
    4: Kanban v1.3.11
    5: Markdown Formatting Assistant v0.3.2
    6: Ozan’s Image in Editor Plugin v2.1.3
    7: Remember cursor position v1.0.7
    8: Tasks v1.11.0
    9: Templater v1.12.0
    10: Hider v1.1.1
    11: Task Collector (TC) v0.7.8
    12: Periodic Notes v0.0.17
    13: Emoji Toolbar v0.3.1
    14: Tag Wrangler v0.5.3
    15: Workspaces Plus v0.3.2
    16: Spaced Repetition v1.8.0
    17: Style Settings v0.4.10
    18: Better footnote v1.0.1
    19: Tidy Footnotes v0.1.1
    20: ObsidianTweaks v0.4.0
    21: Smarter Markdown Hotkeys v1.16.2
    22: Footnote Shortcut v0.0.9
    23: Frontmatter Tag Suggest v0.4.1
    24: Theme Design Utilities v0.18.2
    25: QuickAdd v0.5.5
    26: Obsidian Charts v3.6.2
    27: Reminder v1.1.12
    28: Quick Latex for Obsidian v2.3.3
    29: Better Command Palette v0.13.0
    30: Completr v2.9.0
    31: Privacy Glasses v0.5.2
    32: Full Calendar v0.6.1
    33: Notion-Like Tables v4.2.3
    34: Diagrams.net v1.0.4
    35: Full Calendar Timer Addon v1.0.0
    36: Commander v0.1.0
    37: Better Word Count v0.8.1
    38: Core Search Assistant v0.9.1

RECOMMENDATIONS:
Custom theme: for cosmetic issues, please first try updating your theme to latest. If still not fixed, please try to make the issue happen in the Sandbox Vault or disable community theme and snippets.
Community plugins: for bugs, please first try updating all your plugins to latest. If still not fixed, please try to make the issue happen in the Sandbox Vault or disable community plugins.


Ask for help in #appearance on discord.

I did that at first and there they said, that they don’t have clue why my doesn’t load the css and that I should open a bug report.

The thing is that another person had the same problem with their own theme.