* Feature: Allow switching the display of logic gate symbols between ANSI and IEC standards using the options screen * Feature: Add 7 new alternate logic gate puzzles * Feature: Add additional daily logic statements * Feature: Compress content, resulting in reducing size of application by about 23 MB * Bugfix: Correct mistakes in the descriptions and hints of puzzles, and in the daily logic statements * Bugfix: Prevent non-fatal error when the app requires updating the save file to a newer version * Bugfix: Correct a minor visual distortion on 4 and 5 input ANSI logic gates

**Version 1.9.6** * Bugfix: Prevent app from crashing when starting a puzzle before Sandbox mode has been used **Version 1.9.5** * Bugfix: Improve XBOX sign-in experience * Bugfix: Prevent sandbox mode from crashing when loading a sandbox circuit that contains a 16 segment terminal * Feature: Add 5 independent sandbox saves **Version 1.9.0** Add 18 new puzzles and 7 new components for placement. This update focuses on expanding the 7400 series IC puzzles, adding a new Mux and a couple of small bugfixes. * Feature: New puzzle and new circuit for Dual 4x1 Mux * Feature: New puzzle for 74266 Quad XNOR IC * Feature: 6 new IC 7400 series design puzzles * Feature: 6 new IC 7400 series components for placement in puzzles and sandbox * Feature: 10 new puzzles combining universal NAND and NOR concepts with 7400 series ICs * Feature: Add more hints to the puzzle 'Adding 4 Bits' * Bugfix: Fix solution animation flashing too quickly in puzzle 'Display a Logical Compare' **Version 1.8.0** * Feature: Add two informal logic gate puzzles, the IMPLY and NIMPLY. * Bugfix: Correct grammar mistake in the circuit category tutorial message.

**Version 1.7.3** * Administrative: Add privacy manifest to iOS to declare and justify using Apple APIs that access user data * Bugfix: Prevent a crash when the user tries to purchase the game in the puzzle selection screen

**Version 1.7.2** * Bugfix: Fix app from crashing on startup * Bugfix: Correct a typo in the large binary number puzzle's truth table (max value was indicating 256, but is now 255) * Feature: Add arithmetic primer puzzles * Feature: Add a new Mux puzzle * Feature: Add hints to the 3-input Xor 1 and only 1 puzzle

**Version 1.7.0** * Migrate .NET framework to latest framework to improve speed * Feature: Save puzzle progress after leaving the puzzle. Includes sandbox mode. * Feature: Add DeMorgan's Theorem Puzzles * Feature: Add puzzles using sets of Boolean equations * Feature: Add puzzles using the alternate Boolean operator syntax * Feature: Add three 4000 integrated circuit puzzles* Feature: Add hints for crossbar and 4000 series integrated circuit puzzles * Bugfix: Improve consistency and grammar of several puzzle descriptions and hints * Bugfix: On Xbox, improve centering of content on TV * Bugfix: Correct Boolean equations for BCD to 7 Segment Display puzzles

**Version 1.6.2** * Bugfix: Prevent a crashing bug on the puzzle selection screen related to leaving the encoding puzzles * Add more in game puzzle hints * Minor improvements to descriptions of a couple of puzzles * Add 3 new 4000 series integrated circuit puzzles