Please see https://sourceforge.net/p/tikiwiki/code/HEAD/tree/trunk/changelog.txt Over 55000 lines! Changelog 3.x Changelog 2.x Changelog 1.9 Changelog 1.8 Changelog 1.7 Changelog 1.6 Changelog 1.1 Changelog 1.5 Changelog 1.4 Changelog 1.3 Changelog 1.2 Changelog 1.0