With the introduction of furniture filters in the guild store it is a good time to introduce searching in the stores as well. This is a much needed addition and it would save everyone so much time. There are add-ons to do that now but trading will become so much better if a native search is introduced. A search for a Bench will help bring up the relevant items instead of trying to find a bench in between all the candles. And a search for a Xivkyn motif will be easier than having to sort through all the Skinchanger and Hollowjack motifs (all of these purple so in similar filter search)

Also, search within the inventory would be so great. Eg searching for Soulshine brings up all the items which have Soulshine in them instead of scrolling around trying to find the Cuirass or the Necklace. That will also help people who have no addons which help them switch gear quickly. A quick search of Soulshine will allow them to view all the items and equip them quickly.