Vercel Sandbox creation now returns ready sandbox
Vercel Sandbox instances are now ready to run commands and access files immediately upon creation completion. The Sandbox.create() method now waits for snapshot restoration to finish before resolving, eliminating delays on the first command or file operation.
A new Vercel Sandbox is now ready to run commands and read or write files when creation completes.
now resolves only after snapshot restoration completes, so the first command or file operation no longer waits for it. Startup errors also reject instead of surfacing during that operation.Sandbox.create()Sandbox.create()
Snapshot restoration time now counts toward creation instead of the first operation. Creation is about 50 ms longer at p50, with a larger increase possible for uncached snapshots. The total time through the first operation remains the same.
This change applies automatically, with no SDK upgrade or configuration changes required. See the for details.Sandbox.create()documentation
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