YOU SAID:

I am going to release to staging environment this evening.

INTO JAPANESE

今晩、ステージング環境にリリースする予定です。

BACK INTO ENGLISH

We're releasing this to our staging environment this evening.

INTO JAPANESE

今晩、これをステージング環境にリリースします。

BACK INTO ENGLISH

We'll be releasing this to our staging environment this evening.

INTO JAPANESE

今晩、これをステージング環境にリリースする予定です。

BACK INTO ENGLISH

We'll be releasing this to our staging environment this evening.