NEWS: Add missing dot.

(cherry picked from commit 8ea8296f1ac47775fbfebd0fca9978666023f3eb)
YOVEUR: Enable engine by default.

We ship this with 1.7.0 according to our release plans, thus it should really
be enabled by default.

(cherry picked from commit d1157af89be708b5c5a3a14f57e29df70ea80da0)