Community counterplay
Sidestep note
As Yoshimitsu against Xiaoyu, sidestep left against 1,d+2,1+2 (Fan Dance > Birds Flock), then punish with UF1 Kincho B2 1.
Source: YouTube: All Strings you can sidestep against Xiaoyu.
These notes are public community matchup references. Verify punish and sidestep details after Tekken 8 patches.
Related answers
Against back-turned jumping throw, duck on reaction, stay ducking until it whiffs, then use a standing punish rather than a while-standing punish.
As Yoshimitsu against Xiaoyu, punish uf+4 (Flare Kick) with Flash.
Source: YouTube: Yoshimitsu Full Punishment Guide against Xiaoyu.
As Yoshimitsu against Xiaoyu, punish BT.d+4 (Hou Sao Tui) with WS21.
Source: YouTube: Yoshimitsu Full Punishment Guide against Xiaoyu.
As Yoshimitsu against Xiaoyu, punish f,F+1,4 (Eclipsing Moon) with 2 2.
Source: YouTube: Yoshimitsu Full Punishment Guide against Xiaoyu.
As Yoshimitsu against Xiaoyu, punish AOP.uf (Jumping) with WS2 1.
Source: YouTube: Yoshimitsu Full Punishment Guide against Xiaoyu.