Fact
The Waylaid Supplies system returns, letting players trade a Merchant's Favor currency for recipes, alongside faction crate turn-ins that the 'Performance' Legacy perk also boosts.
Confidence note
Reported (single aggregator source, Zockify, corroborated indirectly by the Legacy 'Performance' perk's mention of Merchant's Favor from official/Warcraft Tavern sources)