The IOC taxonomic update v4.4 has just been published and while no shorebird splits or lumps were proposed, there are some changes on subspecies level.
The Northern Jacana, Long-billed Curlew and the Purple Sandpiper is now treated as monotypic. Also several subspecies of multiple species have been deleted.
African Wattled Lapwing
Subspecies Vanellus senegallus major has been deleted.
Subspecies Jacana spinosa gymnostoma, spinosa and violacea has been deleted. Species is treated as monotypic.
Thinocorus rumicivorus pallidus has been deleted.
Numenius americanus parvus and nominate subspecies has been deleted. Species is treated as monotypic.
Calidris maritima belcheri, littoralis. and nominate subspecies has been deleted. Species is treated as monotypic.
Subspecies Glareola pratincola erlangeri and riparia has been deleted
Subspecies Glareola nuchalis torrens has been deleted.
More information on the IOC website.