This French Leica dealer has listed the Leica Summilux-M 1.4/35 ASPH lens as “Stopped” (Arrêt) on their Leica price sheet. Not sure how to interpret this, but my guess is that they can no longer order this lens from Leica.
The 35 Lux has been out of stock for months @ B&H and Adorama. All rumors pointed to a replacement announcement in March, but for whatever reasons this did not happen.