WeChat for Android version 7.0.13 has been released, officially supporting Dark Mode.
The WeChat official website does not seem to be updated with version 7.0.13 yet, but the app store is already on the shelves.
On March 25, WeChat released the latest Android 7.0.13 internal beta, finally bringing Dark Mode, which is consistent with iOS and can be switched to Dark Mode as the system is set.
WeChat for Android 7.0.13 changelog:
You can follow the settings of the system and switch to Dark Mode.
Optimized voice messaging experience, and more convenient upward slide-to-text.