Profession Changes in Dragonflight Patch 10.2
There were no major changes to professions in Patch 10.2. Only a couple of new recipes were added to the game.
Dragonflight Patch 10.1 Profession Changes, New Recipes
The new Dragonflight Patch 10.1 offers new crafting materials, several new Optional Reagents, weapons, toys, and armors.
Dragonflight Crafting System Overview
Professions in Dragonflight will be significantly different than how they worked in basically every other expansion, there is a major overhaul to the whole system. There are new specializations for each profession, crafted gear with different qualities, new profession equipment, new secondary stats, and Crafting Orders.
WotLK Classic Profession Guides
Below you can find profession leveling guides for every profession in Wrath of the Lich King Classic.
Shadowlands Patch 9.2 Profession Changes
The new Shadowlands Patch 9.2 offers new crafting materials, updated Crafter's Marks, and several new Optional Reagents that you can add to crafted items to make them more interesting and useful.