https://screenrant.com/star-trek-discovery-callaback-picard-tng-inner-light/

Star Trek: Discovery season 5, episode 8 sent Captain Burnham into her own mindscape, and it's a direct callback to Picard in TNG's "The Inner Light."

Imzadi Written In Betazoid Is Now Possible Thanks To Star Trek: Discovery (https://screenrant.com/star-trek-discovery-imzadi-written-betazoid/)

Star Trek: Discovery season 5 finally introduced the Betazoid written language, which means Riker and Troi's Imazdi can now be translated.