The Evolution of Thumbi.app
Welcome to the official changelog. Here you can follow our journey from a powerful idea to the comprehensive creative suite it is today. We're constantly innovating to bring you the best tools for content creation.
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v4.0.0 - The Intelligence Update
*Released September 12, 2025*
This major update introduces a powerful new suite of tools focused on the data and strategy behind a successful video launch.
**✨ New Features**
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**SEO Co-Pilot:** A new section dedicated to YouTube optimization. It analyzes your topic and generates a full metadata package.
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**Data-Driven Title Generation:** As part of the Co-Pilot, you can now generate multiple title options with scores for CTR, emotional impact, and originality.
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**Strategic Description Crafting:** The Co-Pilot will write a full, SEO-friendly video description.
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**Tiered Tag Architecture:** Automatically generate a comprehensive list of broad, specific, and long-tail tags.
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**Synergy Score (Ss):** A new metric that rates the cohesion between your thumbnail and title, with feedback for improvement.
**🛠️ Improvements**
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**Dashboard UI Overhaul:** Complete redesign of the creator dashboard for a more intuitive workflow. Re-organized navigation and introduced a new welcome screen with style inspirations.
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**In-App Guidance:** Added a comprehensive 'Creator's Guide' section with interactive examples and deep-dives into advanced prompting and SEO strategies.
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**SEO Co-Pilot Performance:** Optimized the competitive analysis to return results 15% faster.
**🐛 Fixes & Minor Changes**
- Fixed a bug where long titles would occasionally wrap incorrectly in the results list.
- Improved the color contrast of the Synergy Score feedback for better readability.
- Enhanced tooltip descriptions across the new Co-Pilot interface.
- Updated the AI chat assistant's knowledge base with all v4.0 features.
- Polished mobile view of the dashboard for better usability on smaller screens.
- Streamlined the onboarding tour for new users to highlight the SEO Co-Pilot.
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v3.0.0 - The Creative Controls Update
*Released May 20, 2025*
This release focused on giving creators more granular control over the AI's output, turning the generator into a flexible design tool.
**✨ New Features**
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**Advanced Styling Controls:** Added a new panel to fine-tune the AI's output, including Style Presets (Cinematic, Photorealistic), and sliders for Energy and Color Palette.
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**Directional Controls:** Users can now guide the AI's Lighting and Composition.
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**AI Prompt Assist:** A new button helps expand simple concepts into detailed, effective prompts.
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**Text Styling:** Added controls for font selection and text positioning.
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**Variation Generation:** Users can now generate slight variations of a result without a new prompt.
**🛠️ Improvements**
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**AI Model v3:** Upgraded the core image generation model for better interpretation of stylistic keywords and more realistic lighting.
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**Performance:** Optimized the generation pipeline, reducing average creation time by 20%.
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**Image Upload:** Increased the maximum upload size for subject images to 10MB and added WEBP support.
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**UI Responsiveness:** The generator form is now fully responsive for a seamless experience on all devices.
**🐛 Fixes & Minor Changes**
- Fixed an issue where the 'Cinematic' preset was occasionally too dark.
- The state of the 'Advanced Styling' accordion is now remembered between sessions.
- Refined the loading animation to provide more descriptive feedback during generation.
- Improved error messaging for failed image uploads.
- Added keyboard shortcuts for primary actions in the generator.
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v2.0.0 - Core Workflow Update
*Released January 15, 2025*
With the foundation in place, this update refined the core user experience to be faster, smarter, and more robust.
**✨ New Features**
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**Dual Thumbnail Generation:** The AI now provides two unique thumbnail options for every request.
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**Subject Enhancement:** Isolated subjects are now automatically enhanced with better lighting and sharpness to blend into the scene.
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**Subtaglines:** Added support for a secondary, smaller line of text.
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**User Accounts:** Launched our full account system with email/password and Google sign-in, powered by Firebase.
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**Help & Support:** Integrated a new help page with an AI-powered support chat.
**🛠️ Improvements**
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**Subject Isolation:** Significantly improved the model's accuracy for isolating complex subjects like hair from busy backgrounds.
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**Text Readability:** The system now intelligently adds an outline or shadow to text to ensure it's always readable against any background.
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**Error Handling:** Implemented more descriptive error messages for failed generations.
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**Accessibility:** Improved ARIA labels and keyboard navigation across the application.
**🐛 Fixes & Minor Changes**
- Resolved a bug that caused intermittent login issues for some users.
- Enhanced the image preview modal with zoom capabilities.
- Made the 'Download' button more prominent on the results screen.
- Reduced the initial page load time by 10% through code splitting.
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v1.0.0 - The Genesis Build
*Released October 2, 2024*
**🚀 Initial Release**
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**AI-Powered Thumbnail Generation:** The core engine for generating a unique thumbnail from a text prompt.
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**Automatic Subject Isolation:** One-click background removal for user-uploaded photos.
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**Dynamic Text Rendering:** The AI automatically placed and styled a tagline on the image.
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**High-Resolution Output:** All thumbnails generated at 1280x720, the standard for YouTube.