While “Star Trek: Lower Decks” is an animated series, Boimler and Mariner have become part of the franchise’s greater lore with a live-action debut in “Strange New Worlds.”
When Boimler gets nervous about handling the historically important equipment on the Voyager, Mariner points out that this is low-stakes compared to their off-season adventure.
Unfortunately, this is the only reference they made to the crossover, possibly because the writers wanted to avoid being an interconnected franchise like the MCU.