# performance.undoHistoryLimit

Part of [Performance](https://kernstra.com/docs/web-sdk/config/performance) in the Kernstra Web SDK 1.0.0 configuration reference.

- Type: `number`
- Default: `20`
- Page: https://kernstra.com/docs/web-sdk/config/performance/undohistorylimit

Max undo snapshots.

Web page: https://kernstra.com/docs/web-sdk/config/performance/undohistorylimit