- Revamp sudoku learning page and material - Add left and right swipe gestures to quickly go back and forth between the game and the learning material - Enhance example boards with richer content to make the puzzles more realistic

New features: - Fast forward mode allows you to target advanced techniques for practice - Play history tracks normal gameplay as well as fast forwarded games - Introduction added for new users to be introduced to the apps key features Bugs fixed: - fixed font scaling bug - system font settings no longer break the app layout - Fixed help button styling in light mode - Fixed ordering issue and accuracy of locked candidates help section (posting/claiming variations were backwards) - Fixed database upgrade process to better detect when updates are needed and preserve play history Improvements: - Help screen updated with correct technique orders - Help screen updated with documentation about new fast forward and play history features

- Added a fast forward feature when starting a game by technique, allowing you to start a game at that target technique so you can focus on practicing it

- Premium version added that removes ads - Play history added allowing you to see all games you've played, whether you finished them or not, and replay them - Improvements to help screen to make it easier to learn to play sudoku and use this app - Improvements to the hint system to make it easier to learn from the provided hints - Lots of new themes and accent colors added to customize the appearance of the app - Minor bug fixes and enhancements

- Added sound effects (off by default) - Added play history tracking to allow players to go back to puzzles, view puzzles they couldn't solve before, and play them again - Previously played puzzles are no longer repeated when starting a new game - Faster loading times for help screen sections that load example puzzles - Other minor bug fixes and enhancements

- New puzzle database for better memory efficiency - Reduced frequency of ads so ads never show during gameplay (unless you choose to watch an ad to get more hints)

- Added a hint clear button to dismiss the hint when you're done with it - Added a hint auto clear feature for number placing hints when they are followed - Added lots and lots more puzzles

- Minor bug fixes

- Added game mechanic to limit the number of hints that can be used, and multiple ways to earn more hints

- Added the hints feature - Polished the help page

- New button added! Use the fill all candidates button to quickly add all candidates across the whole board so you can focus on solving techniques instead of spending lots of time manually adding notes to all cells. - Changed highlighting of hints on help screen to make them stand out more

- Add new feature to auto remove invalid notes after entering numbers in other cells, configurable in settings

- Bug fixes for undo history - Added minimal advertising to support ongoing development (user can opt in to tracking)

Bug fixes: - Fixed candidate formatting for iPad - Fixed minor issue with undo history

- Added a new feature to highlight matching notes when a number is selected - Added a feedback system for users to submit feature requests, bugs, or general feedback - Improved the puzzle details screen with more information about the current puzzle - Minor bug fixes

- Polished help page with comprehensive explanations of solving techniques and examples - Added feedback button for feature requests, bugs, or general feedback

Completely rebuilt from scratch Visual refresh - New design that's easier on the eyes - Better contrast and clearer numbers - Looks great in both light and dark mode Quality of life improvements - Number buttons now show how many of each number are left - Better support for smaller phones and tablets - Undo button for undoing accidental mistakes Behind the scenes - Focused on high quality puzzles that give you the appropriate challenge based on the difficulty level or the solving technique you want to practice - Everything runs smoother and faster - Fixed a bunch of little annoyances - Better accessibility for VoiceOver users We think you'll like the changes. The app feels more polished without losing what made it work in the first place. Thanks for playing, and let us know what you think!

NEW FEATURES: • System Theme Support - App can now automatically follow device's system theme preference - Three theme modes available: Light, Dark, and System - System mode switches between light/dark based on device settings - Seamless theme transitions as device theme changes

NEW FEATURES: • Added Settings menu with customizable options - New gear icon in top right corner for easy access - Clean, modal-based settings interface - Theme-aware design with smooth animations - Persistent settings saved across app sessions • Invalid Note Feedback Toggle - New setting to control note validation behavior - When ON (default): Notes that conflict with existing numbers turn red - When OFF: Users can place any notes without visual feedback - Setting persists between app sessions using AsyncStorage - Smooth toggle switch with accessible design

ENHANCED USER EXPERIENCE • Unified button design for a more polished, professional look • Improved error highlighting shows exactly which cells conflict • Better visual feedback and smoother interactions throughout the app • Restart confirmation prevents accidental game loss STABILITY & PERFORMANCE • Faster, more reliable puzzle loading • Enhanced error handling for rock-solid stability • Optimized performance across all devices • Better memory management for smoother gameplay BUG FIXES • Fixed timer accuracy issues and background handling • Resolved edge cases with cell highlighting • Improved app stability and error recovery This update focuses on polish and reliability - making your Sudoku experience smoother and more enjoyable than ever!