v3.0.198

What's Changed

• display anonymous flag for anonymous API by @JacksonTian in #937
• set default language by enviroment variable LANG by @JacksonTian in #938
• improve hello to common request by @JacksonTian in #939
• test: improve coverage for i18n by @JacksonTian in #942
• improve get value from envs by @JacksonTian in #943

Full Changelog: v3.0.197...v3.0.198