Warbler Guy, I know it's not recent news, but what happened with the most recent scientific warbler name changes?

Good question, Vinny.

Here's a Share And Tell courtesy of The Carolina Bird Club (https://www.carolinabirdclub.org/brc/aouchanges.html#aou54) whereby the 52nd Supplement,
July, 2011 to the AOU Checklist of Birds addresses your question and others related to the wood-warbler family:

There are major changes within the wood-warbler family (Parulidae), consisting of many reassignments of genus and a new linear sequence of genera and species.

• Genera Parula, Dendroica, and Wilsonia are deleted by being lumped with other genera. Parula and Dendroica are lumped into Setophaga. One species of Wilsonia (Hooded Warbler) is also lumped into Setophaga, and the other two species (Wilson's and Canada) are lumped into Cardellina (the genus of Red-faced Warbler).
• Kentucky, Mourning, and MacGillivray's Warblers are moved to genus Geothlypis (same as Common Yellowthroat) leaving only Connecticut in Oporornis.
• Although the genus Parula no longer exists, a provision of the Code of Zoological Nomenclature allows the family name to remain Parulidae.
• The new sequence of species, with new generic names, is:

  sequence	new scientific name	common name	former scientific name	former sequence
  1	Seiurus aurocapilla	Ovenbird	Seiurus aurocapilla	31
  2	Helmitheros vermivorum	Worm-eating Warbler	Helmitheros vermivorum	29
  3	Parkesia motacilla	Louisiana Waterthrush	Parkesia motacilla	33
  4	Parkesia noveboracensis	Northern Waterthrush	Parkesia noveboracensis	32
  5	Vermivora bachmanii	Bachman's Warbler	Vermivora bachmanii	1
  6	Vermivora chrysoptera	Golden-winged Warbler	Vermivora chrysoptera	3
  7	Vermivora cyanoptera	Blue-winged Warbler	Vermivora cyanoptera	2
  8	Mniotilta varia	Black-and-white Warbler	Mniotilta varia	26
  9	Protonotaria citrea	Prothonotary Warbler	Protonotaria citrea	28
  10	Limnothlypis swainsonii	Swainson's Warbler	Limnothlypis swainsonii	30
  11	Oreothlypis peregrina	Tennessee Warbler	Oreothlypis peregrina	4
  12	Oreothlypis celata	Orange-crowned Warbler	Oreothlypis celata	5
  13	Oreothlypis ruficapilla	Nashville Warbler	Oreothlypis ruficapilla	6
  14	Oporornis agilis	Connecticut Warbler	Oporornis agilis	35
  15	Geothlypis tolmiei	MacGillivray's Warbler	Oporornis tolmiei	37
  16	Geothlypis philadelphia	Mourning Warbler	Oporornis philadelphia	36
  17	Geothlypis formosa	Kentucky Warbler	Oporornis formosus	34
  18	Geothlypis trichas	Common Yellowthroat	Geothlypis trichas	38
  19	Setophaga citrina	Hooded Warbler	Wilsonia citrina	39
  20	Setophaga ruticilla	American Redstart	Setophaga ruticilla	27
  21	Setophaga kirtlandii	Kirtland's Warbler	Dendroica kirtlandii	20
  22	Setophaga tigrina	Cape May Warbler	Dendroica tigrina	11
  23	Setophaga cerulea	Cerulean Warbler	Dendroica cerulea	25
  24	Setophaga americana	Northern Parula	Parula americana	7
  25	Setophaga magnolia	Magnolia Warbler	Dendroica magnolia	10
  26	Setophaga castanea	Bay-breasted Warbler	Dendroica castanea	23
  27	Setophaga fusca	Blackburnian Warbler	Dendroica fusca	17
  28	Setophaga petechia	Yellow Warbler	Dendroica petechia	8
  29	Setophaga pensylvanica	Chestnut-sided Warbler	Dendroica pensylvanica	9
  30	Setophaga striata	Blackpoll Warbler	Dendroica striata	24
  31	Setophaga caerulescens	Black-throated Blue Warbler	Dendroica caerulescens	12
  32	Setophaga palmarum	Palm Warbler	Dendroica palmarum	22
  33	Setophaga pinus	Pine Warbler	Dendroica pinus	19
  34	Setophaga coronata	Yellow-rumped Warbler	Dendroica coronata	13
  35	Setophaga dominica	Yellow-throated Warbler	Dendroica dominica	18
  36	Setophaga discolor	Prairie Warbler	Dendroica discolor	21
  37	Setophaga nigrescens	Black-throated Gray Warbler	Dendroica nigrescens	14
  38	Setophaga townsendi	Townsend's Warbler	Dendroica townsendi	16
  39	Setophaga virens	Black-throated Green Warbler	Dendroica virens	15
  40	Cardellina canadensis	Canada Warbler	Wilsonia canadensis	41
  41	Cardellina pusilla	Wilson's Warbler	Wilsonia pusilla	40
  42	Icteria virens	Yellow-breasted Chat	Icteria virens	42