2026.09

What’s Changed

API

Features

• Add possibility to API to use Redis store by @jakubno in #1977

Improvements

• Refactor template caches by @jakubno in #1958
• Validate sandbox ID by @jakubno in #1975
• Increase Redis connection count by @jakubno in #1994
• Delete sandbox data asynchronously by @dobrac in #1985
• Improve Redis cluster tuning and add metrics instrumentation by @dobrac in #1979
• Add locking when updating cache to prevent stale writes by @jakubno in #1964

Bug Fixes

• Prevent template deletion when running sandboxes reference it by @dobrac in #1986
• Fix race condition in TeamsWithSandboxCount by @ValentaTomas in #1997
• Scope concurrent build cancellation to overlapping tags by @dobrac in #1988

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Orchestrator

Features

• Get dirty memory from Firecracker by @bchalios in #1937

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Template Manager

Improvements

• Use absolute BusyBox path for template build commands by @dobrac in #1925

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New Contributors

• @bchalios made their first contribution in #1963

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Full Changelog:
2026.08...2026.09