• Dal unpacks his original combadge which he received aboard the USS Protostar in “Dreamcatcher”

• Zero calls back to the Protogies time travelling aboard the Infinty to save Gwyn in “Temporal Mechanics 101”.

• Tysess informs Admiral Janeway that there’s ”Not nearly enough,” quantum torpedoes to stop the Vay N’Akat ships from traveling to through the wormholes to attack Starfleet outposts, without giving a specific number. This is a reference to the fact that in “The Cloud” it was stated that the USS Voyager had 38 photon torpedoes at its disposal with no way to replace them, and ended up firing over 90 through the course of the series.

• I believe this is the first time it’s been explicitly states that Solum is in the Delta Quadrant.

• Maj’el, Rok-Tahk, Wesley Crusher, and Zero recount the events of “Lost and Found”, “Supernova, Part 2”, and “Who Saves the Saviors” in brief.

• ”Small changes to time don’t matter as long as we make sure the big stuff still occurs.” Spock established in “Tomorrow is Yesterday” that removing someone who provided no ”relevant contribution” to history would not alter the timeline.

    • What Rok actually describes is a bootstrap paradox. not making insignificant changes to history.

• Ascensia fights Gwyn with her own heirloom. Gwyn lost the heirloom to Ascensia in “Who Saves the Saviors” when they performed that Va;Lu’Rah duel.