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SANDBOX_MODE

Which sandbox runs Python.

Since 2 Sept 2026

Where
.env
Type
text
Default
builtin
Allowed values
builtin or external
Only the owner can set it
Yes
When to change it
own sandbox service
Safe example
builtin
If the value is wrong
External mode sends code to another server.

Checked against the source at commit f4fd89f on 29 Oct 2026. Everything here is merged on the main branch; no release has been tagged yet. The source is private, so these pages are the public description.