name: Performance Issue description: Slowdowns, lag, high memory/CPU, UI freezes (distinct from broken features) title: "[PERF] " labels: ["performance"] body: - type: textarea id: summary attributes: label: What's slow? description: Describe what feels sluggish and what you'd expect validations: required: true - type: dropdown id: area attributes: label: What area? options: - Grid scroll / infinite scroll - Thumbnail loading - Search / API requests - Image preview / pan-zoom - Video playback - Popout open / close - Popout navigation - Settings / dialogs - Startup - Other validations: required: true - type: textarea id: repro attributes: label: Steps to reproduce value: | 1. 2. 3. validations: required: true - type: input id: timings attributes: label: Approximate timings description: How long does the slow operation take? How long would you expect? - type: input id: library_size attributes: label: Library / bookmark size description: Number of saved files and/or bookmarks, if relevant - type: dropdown id: os attributes: label: OS options: [Linux, Windows, Other] validations: required: true - type: input id: hardware attributes: label: Hardware (CPU / RAM / GPU) - type: textarea id: logs attributes: label: Relevant DEBUG logs description: Launch with Ctrl+L open and reproduce — paste anything that looks slow render: shell - type: input id: version attributes: label: booru-viewer version / commit validations: required: true