Looks like there are a few new emblems coming during Twitch Summer Fest/Bungie Day (source: https://blog.twitch.tv/en/2025/06/27/summer-drops-fest-2025/). How to obtain these emblems are in the first image (and in the link).
Pixel Perfect: https://destinyemblemcollector.com/emblem?id=3029657016
Per today's TWID (https://www.bungie.net/7/en/News/Article/twid_06_26_2025) there's a new emblem available as a Twitch Drop during next week's Developer Stream at 2025-07-01 at 10AM PT. Watch for 15 minutes to get the Observer Effect emblem.
Per today's TWID, "Astromancy" will be available as a Twitch Drop after watching 15 minutes of the upcoming Edge of Fate Developer Livestream Part I, taking place on 2025-06-24 at 10AM PT Astromancy: https://destinyemblemcollector.com/emblem?id=3079989885
A huge thank you to The Bungie Foundation for featuring me (with an interview) in a post today! And thank you all for your generosity over the years! It’s truly been an honor to be able to raise this much money and play a part in helping so many
The emblem Mors Certa is now available via Rite of the Nine-related Bungie Rewards. Eligible items appear to be the shirt, bracelet, metal poster, and Title pin. Mors Certa: https://destinyemblemcollector.com/emblem?id=3079989878