Can reproduce this issue. The issue only occurs when Finder’s Preview Pane is visible. Hiding the Preview Pane restores arrow-key navigation, while the standalone Quick Look window works correctly.
Here’s my debug info:
SYSTEM INFO:
Obsidian version: 1.14.4
Installer version: 1.14.4
Operating system: Darwin Kernel Version 25.6.0: Fri Jul 31 19:18:49 PDT 2026; root:xnu-12377.161.14~5/RELEASE_ARM64_T6000 25.6.0
Login status: not logged in
Language: en
Insider build toggle: off
Live preview: on
Base theme: adapt to system
Community theme: Minimal 8.0.4
Snippets enabled: 0
Restricted mode: off
Plugins installed: 10
Plugins enabled: 9
1: Calendar v1.5.10
2: Git v2.39.0
3: Iconize v2.14.7
4: Self-hosted LiveSync v1.0.15
5: Hider v1.7.1
6: Minimal Theme Settings v9.0.0
7: Style Settings v1.0.9
8: Easy Typing v6.0.9
9: Fix Math v1.0.34
RECOMMENDATIONS:
Custom theme and snippets: for cosmetic issues, please first try updating your theme and disabling your snippets. 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.