commit a1b2c3d4e5f6789012345678901234567890abcd
Author: Sarah Johnson <sarah.johnson@example.com>
Date:   Mon Jan 15 14:30:22 2024 +0000

    feat(auth): add OAuth2 integration with Google and GitHub
    
    Implement OAuth2 authentication flow supporting Google and GitHub providers.
    Users can now sign in using their existing social media accounts, improving
    user experience and reducing password fatigue.
    
    - Add OAuth2 client configuration
    - Implement authorization code flow
    - Add user profile mapping from providers
    - Include comprehensive error handling
    
    Closes #123
    Resolves #145

commit e4f5g6h7i8j9012345678901234567890123abcdef
Author: Mike Chen <mike.chen@example.com>
Date:   Mon Jan 15 13:45:18 2024 +0000

    fix(api): resolve race condition in user creation endpoint
    
    Fixed a race condition that occurred when multiple requests attempted
    to create users with the same email address simultaneously. This was
    causing duplicate user records in some edge cases.
    
    - Added database unique constraint on email field
    - Implemented proper error handling for constraint violations
    - Added retry logic with exponential backoff
    
    Fixes #234

commit i7j8k9l0m1n2345678901234567890123456789abcd
Author: Emily Davis <emily.davis@example.com>
Date:   Mon Jan 15 12:20:45 2024 +0000

    docs(readme): update installation and deployment instructions
    
    Updated README with comprehensive installation guide including:
    - Docker setup instructions
    - Environment variable configuration
    - Database migration steps
    - Troubleshooting common issues

commit m1n2o3p4q5r6789012345678901234567890abcdefg
Author: David Wilson <david.wilson@example.com>
Date:   Mon Jan 15 11:15:30 2024 +0000

    feat(ui)!: redesign dashboard with new component library
    
    Complete redesign of the user dashboard using our new component library.
    This provides better accessibility, improved mobile responsiveness, and
    a more modern user interface.
    
    BREAKING CHANGE: The dashboard API endpoints have changed structure.
    Frontend clients must update to use the new /v2/dashboard endpoints.
    The legacy /v1/dashboard endpoints will be removed in version 3.0.0.
    
    - Implement new Card, Grid, and Chart components
    - Add responsive breakpoints for mobile devices
    - Improve accessibility with proper ARIA labels
    - Add dark mode support
    
    Closes #345, #367, #389

commit q4r5s6t7u8v9012345678901234567890123456abcd
Author: Lisa Rodriguez <lisa.rodriguez@example.com>
Date:   Mon Jan 15 10:45:12 2024 +0000

    fix(db): optimize slow query in user search functionality
    
    Optimized the user search query that was causing performance issues
    on databases with large user counts. Query time reduced from 2.5s to 150ms.
    
    - Added composite index on (email, username, created_at)
    - Refactored query to use more efficient JOIN structure
    - Added query result caching for common search patterns
    
    Fixes #456

commit u7v8w9x0y1z2345678901234567890123456789abcde
Author: Tom Anderson <tom.anderson@example.com>
Date:   Mon Jan 15 09:30:55 2024 +0000

    chore(deps): upgrade React to version 18.2.0
    
    Upgrade React and related dependencies to latest stable versions.
    This includes performance improvements and new concurrent features.
    
    - React: 17.0.2 → 18.2.0
    - React-DOM: 17.0.2 → 18.2.0  
    - React-Router: 6.8.0 → 6.8.1
    - Updated all peer dependencies

commit y1z2a3b4c5d6789012345678901234567890abcdefg
Author: Jennifer Kim <jennifer.kim@example.com>
Date:   Mon Jan 15 08:15:33 2024 +0000

    test(auth): add comprehensive tests for OAuth flow
    
    Added unit and integration tests for the OAuth2 authentication system
    to ensure reliability and prevent regressions.
    
    - Unit tests for OAuth client configuration
    - Integration tests for complete auth flow
    - Mock providers for testing without external dependencies
    - Error scenario testing
    
    Test coverage increased from 72% to 89% for auth module.

commit c4d5e6f7g8h9012345678901234567890123456abcd
Author: Alex Thompson <alex.thompson@example.com>
Date:   Mon Jan 15 07:45:20 2024 +0000

    perf(image): implement WebP compression reducing size by 40%
    
    Replaced PNG compression with WebP format for uploaded images.
    This reduces average image file sizes by 40% while maintaining
    visual quality, improving page load times and reducing bandwidth costs.
    
    - Add WebP encoding support
    - Implement fallback to PNG for older browsers  
    - Add quality settings configuration
    - Update image serving endpoints
    
    Performance improvement: Page load time reduced by 25% on average.

commit g7h8i9j0k1l2345678901234567890123456789abcde
Author: Rachel Green <rachel.green@example.com>
Date:   Sun Jan 14 16:20:10 2024 +0000

    feat(payment): add Stripe payment processor integration
    
    Integrate Stripe as a payment processor to support credit card payments.
    This enables users to purchase premium features and subscriptions.
    
    - Add Stripe SDK integration
    - Implement payment intent flow
    - Add webhook handling for payment status updates
    - Include comprehensive error handling and logging
    - Add payment method management for users
    
    Closes #567
    Co-authored-by: Payment Team <payments@example.com>

commit k1l2m3n4o5p6789012345678901234567890abcdefg
Author: Chris Martinez <chris.martinez@example.com>
Date:   Sun Jan 14 15:30:45 2024 +0000

    fix(ui): resolve mobile navigation menu overflow issue
    
    Fixed navigation menu overflow on mobile devices where long menu items
    were being cut off and causing horizontal scrolling issues.
    
    - Implement responsive text wrapping
    - Add horizontal scrolling for overflowing content
    - Improve touch targets for better mobile usability
    - Fix z-index conflicts with dropdown menus
    
    Fixes #678
    Tested on iOS Safari, Chrome Mobile, and Firefox Mobile