Comment # 4 on bug 1191868 from Takashi Iwai

(In reply to Eric Schirra from comment #3)
> i | libSDL2-2_0-0       | Paket | 2.0.16-lp153.117.1      | x86_64 |
> repositories:games 15.3

So this is the one, it's no official package.  Try to downgrade to
libSDL2-2_0-0-2.0.8 package in the main Leap 15.3 repo.