{"name":"IS_SANDBOX","slug":"is-sandbox","family":"env","title":"Environment variables","noun":"environment variable","description":"Docker, bubblewrap and root-outside-sandbox checks share one cached prober that answers false until ready.","description_source":"entry","described_by":{"version":"2.1.227","anchor":"sandbox-and-container-detection-folded-into-one-cached-probe"},"presence":{"first_seen":"2.1.138","removed_in":null,"in_current_build":true,"newest_mined":"2.1.308","builds":149,"mined_builds":149,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.285","anchor":"disablenosandbox-check-gains-an-early-true-path","heading":"The sandbox check for disableNoSandbox gains an extra condition","line":"A sandbox check can now pass on a new condition before it looks at the `disableNoSandbox` setting","released_at":"2026-09-29 17:32:09","reason":"found in this entry's text, named in this entry"},{"version":"2.1.227","anchor":"sandbox-and-container-detection-folded-into-one-cached-probe","heading":"Sandbox and container detection folded into one cached prober","line":"Docker, bubblewrap and root-outside-sandbox checks share one cached prober that answers false until ready.","released_at":"2026-08-10 20:56:57","reason":"named in this entry, found in this entry's text"}],"entries_total":2,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"IS_DEMO","slug":"is-demo","description":"Demo mode now also settles focus requests when CLAUBBIT is set"}],"url":"https:\/\/changelogs.core-directive.com\/reference\/env\/is-sandbox","family_url":"https:\/\/changelogs.core-directive.com\/reference\/env.json"}