Phase III of The High Republic starts today.
https://www.starwars.com/news/star-wars-the-high-republic-phase-3-launch
They’ve also included a useful “official chronological reading list”:
https://www.starwars.com/news/every-star-wars-the-high-republic-book-and-comic-series
What Is Star Wars: The High Republic?:
https://www.starwars.com/news/what-is-star-wars-the-high-republic
and Star Wars Explained have done a couple more videos for the end of Phase II:
The High Republic Story So Far - Phases One and Two Recap - 6 minute video
Everything I Love About The High Republic Phase Two - 5 minute video
and a 28 minute video on: George Mann Discusses The Eye of Darkness, Mythology, Star Wars, and The High Republic (No Spoilers)