JSF has published links to their 2022 Olympics/Worlds/4CC/ Junior Worlds assignments here:
https://www.skatingjapan.or.jp/whatsnew/detail.php?id=132
2022 World Championships https://www.skatingjapan.or.jp/common/img/info/world_2022.pdf
Men: Hanyu, Uno, Kagiyama
Women: Sakamoto, Higuchi, Kawabe
Pair: Miura/Kihara
Ice Dance: Muramoto/Takahashi
Men's alternates: Kao Miura, Kazuki Tomono, Sena Miyake
Women's alternates: Mai Mihara, Satoko Miyahara, Rino Matsuike
Ice Dance alternate: Komatsubara/Koleto
2022 World Junior Championships https://www.skatingjapan.or.jp/common/img/info/wjfsc_2022.pdf
Men: Kao Miura (J1/S4), Shun Sato (S7), *Tatsuya Tsuboi (J2/S9)
Women: *Rinka Watanabe (S6), Rion Sumiyoshi (J2/S8)
Dance: *Nao Kida/Masaya Morita (J1)
*
all got their respective TES minimums at Bavarian Open
Men's alternates: Lucas Tsuyoshi Honda (S12), Nozomu Yoshioka (J3/S20)
Women's alternates: Rino Matsuike (S7), *Hana Yoshida (J4/S9) - needs minimums