Yes. Bought a recent Linksys to replace an extender, which was running OpenWRT. The new Linksys doesn't support OpenWRT (bought it in a hurry), and apparently Linksys doesn't support SMB[0] if the device is extending another network, which is BS since we were able to with the OpenWRT device.

[0] https://www.reddit.com/r/LinksysOfficial/comments/142mnnr/er...