There is a pendant light in my entryway that came outfitted with LED filament bulbs when I bought my home. They flicker noticeably, and I would have replaced them all if it were in my living room.

One of the bulbs recently burned out, and I picked up a replacement at Menards. Even though it was just a basic Sylvania, the new one clearly has a rectifier circuit as it does not exhibit any flickering that I can detect.

So anecdotally at least, the cheap bulbs without rectifiers seem to be going away from the big box stores (although I’m sure you can still get them with unpronounceable all-caps names from Amazon).