It’s always been 90 days as far as I can recall (and I’ve been on eBay since 2008). But I never used an external app; I’m just referring to if you use the “Sold Items” filter. If you’re referring to an external plug-in, then I have no clue, though. But the website itself (without a plug-in or the like) has never shown sold listings from more than 90 days back.
Sorry yes should of been more specific. The database had items show up to 2 years at one point on ebay if you searched thru 3rd party. Now they clear that out after 90 days.