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by achalv 4742 days ago
Stuff is pushed every day, but the biggest chunks are pushed on Tuesdays.

Source: Friend who interned at FB.

1 comments

Exactly. You can find more information here: https://developers.facebook.com/support/beta-tier/

"Every week, usually on Sunday evenings, we stage our weekly push, which happens on Tuesday evenings, on the beta tier. This provides ourselves and developers 48 hours to test and find bugs before the build hits production. After Tuesday, while the beta tier is continuously updated with hotfix patches which are queued up for the daily hotfix release, the production tier is updated with the hotfix push in the evenings, Pacific Standard Time"

Ah, makes sense. Thanks!