Для openSUSE Tumbleweed запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:U2FsdGVkX1/openSUSE_Tumbleweed/home:U2FsdGVkX1.repo
zypper refresh
zypper install wechat-beta
Для 15.6 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:U2FsdGVkX1/15.6/home:U2FsdGVkX1.repo
zypper refresh
zypper install wechat-beta
Для 15.5 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:U2FsdGVkX1/15.5/home:U2FsdGVkX1.repo
zypper refresh
zypper install wechat-beta