New puzzle type – Kinkonkan.
We have also added 150 other new puzzles since the previous update: Suguru (76-90) Samurai Sudoku (61-80), Tasukuea (61-75), No Neighbors (81-100), Kurotto (61-75), Tenner Grid (61-75), Frame Sudoku (61-70), Kropki Sudoku (61-70), Greater-Than Sudoku (61-70), Snowflake Sudoku (81-100).

Fixed an error in filters operation.

New puzzle type – Number Snake.
We have also added 140 other new puzzles since the previous update: Nonconsecutive Sudoku (81-100), Argyle Sudoku (81-100), Low-High Sudoku (81-100) Asterisk Sudoku (81-100), Anti-Knight Sudoku (81-100), Bold X Sudoku (81-100), Center Dot Sudoku (81-100).

New puzzle type – Simple Loop.
We have also added 180 other new puzzles since the previous update: Sudoku (401-420), Jigsaw Sudoku (141-160), Windoku (81-100), Sudoku X (161-180), Odd-Even Sudoku (81-100), Skyscrapers Sudoku (81-100), Killer Sudoku (101-120), Disjoint Groups Sudoku (81-100), Anti-King Sudoku (81-100).

New puzzle type – Airando.
We have also added 165 other new puzzles since the previous update: Hebi-Ichigo (61-75), Kuroshuto (61-75), Nurikabe (61-75), Rekuto (61-75), Renkatsu (61-75), Nawabari (61-75), Gappy (61-75).

New puzzle type – Knossos.
We have also added 145 other new puzzles since the previous update: Sumo Sudoku (41-60), Patchwork (61-75), Nurimisaki (61-75), Irasuto (61-75), Fobidoshi (61-75), Dominion (61-75), Dominos (61-80), Gyokuseki (61-75) Hakyuu (61-75).

New puzzle type – Double Block.
We have also added 140 other new puzzles since the previous update: Snowflake Sudoku (61-80), Center Dot Sudoku (61-80), Anti-Knight Sudoku (61-80), Shogun Sudoku (41-60), Clueless Explosion Sudoku (41-60), Clueless Special Sudoku (41-60), Super Samurai Sudoku (41-60).