1.20 This is the current version https://mcstacker.net/
1.20.2 This is for the current snapshots. https://mcstacker.net/1.20.2.php
1.19 This is the version to use for Minecraft 1.19 Java Edition https://mcstacker.net/1.19.php
1.18 This is the version to use for Minecraft 1.18 Java Edition https://mcstacker.net/1.18.php
1.17 This is the version to use for Minecraft 1.17 Java Edition https://mcstacker.net/1.17.php
1.16 This is the version to use for Minecraft 1.16 Java Edition https://mcstacker.net/1.16.php
1.15 This is the version to use for Minecraft 1.15 Java Edition https://mcstacker.net/1.15.php
1.14 This is the version to use for Minecraft 1.14 Java Edition https://mcstacker.net/1.14.php
1.13 This is the version to use for Minecraft 1.13 Java Edition https://mcstacker.net/1.13.php
1.12 This version is the main one to use if you are still using Minecraft 1.12 https://mcstacker.net/1.12.php
1.12 This is the version with the old user interface. https://legacy.mcstacker.net/
1.11 Use this if you're using Minecraft 1.11 https://legacy.mcstacker.net/mcstacker1.11.php
1.8, 1.9 & 1.10 Use this if you are using either of these versions of Minecraft. Look for the version selector under the command output window. https://legacy.mcstacker.net/mcstacker1.10.php
1.7 This version has a 1.8 mode also which can switch between numerical item ids or item names. https://legacy.mcstacker.net/1.7/2014-08-31.php

These legacy versions of MCStacker are not supported anymore. I won't be bug fixing or adding features to them. I prioritize only the current version and snapshots.