SDSR - JHC Narrative (an open source doc) states categorically:
The review has endorsed the Rotary Wing Strategy (RWS) as the most cost-effective and efficient method to transition to a future force structure which is based, ultimately, upon four core platforms across Defence: Chinook, Merlin, Apache and Wildcat, with Puma as a critical enabling capability until 2025.
and
Merlin Mk4. Ship optimisation within the Merlin Life Sustainment Programme (LSP) and transfer to the Commando Helicopter Force to enable the delivery of the LitM Air Assault package.
So no change to plan then.....