Claude Code v2.1.259 · 2 Sep 2026
New per-command sandbox filesystem deny lists
Shell execution accepts per-command sandboxDenyRead and sandboxDenyWrite path lists on top of the global sandbox config.
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All of v2.1.259
Use it now Tier: how much it should matter to you
5 Useful: my rating, 1 to 5
3 Signal: worth watching, 1 to 5
Sandbox Area: what it touches
New Features Kind: in v2.1.259, 02 Sep 26
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2 Sep 2026 · 195 entries, this one is #25.
Use it now22 You'll notice89 Nothing to try yet24 Under the hood60
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setting sandboxDenyRead Shell execution accepts per-command sandboxDenyRead and sandboxDenyWrite path lists on top of the global sandbox config.
setting sandboxDenyWrite Shell execution accepts per-command sandboxDenyRead and sandboxDenyWrite path lists on top of the global sandbox config.
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Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.
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New consent setting for unattended cloud-session commands
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'--cloud <session-id>' reattach picker referenced as upcoming
You'll notice Cloud Sessions