> ## Documentation Index
> Fetch the complete documentation index at: https://docs.tracelit.io/llms.txt
> Use this file to discover all available pages before exploring further.

# v1.2.1 — Apr 2, 2026

> @tracelit/tracker v1.2.1 — Apr 2, 2026

# v1.2.1 — Apr 2, 2026

**New**

* `sampleRate` replay option — record a fraction of sessions (e.g. `0.1` = 10%) to reduce data volume on high-traffic sites ([docs](/configuration/reference))
* `blocklist` now supports regex patterns in addition to path substrings

**Fixes**

* Fixed `history.pushState` interception not firing on some Next.js 15 App Router navigations
* Fixed memory warning events (`memory` error type) not emitting on Chrome 124+