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

# Changelog

> Latest releases, feature additions, SDK updates, and improvements to Traceback.

## September 2026

### v2.4.0 — AI Root Cause 2.0 & Next.js 15 Support

<Update label="2026-09-01" description="v2.4.0">
  * **AI Patch Generation**: Traceback can now automatically create GitHub Pull Requests with fixes for detected regressions.
  * **Next.js 15 App Router Support**: Full streaming hydration and Server Action boundary support.
  * **Custom OTLP Exporter**: Sub-10ms span export directly from OpenTelemetry Collector.
</Update>

***

## August 2026

### v2.3.0 — High-Fidelity Session Replay Masking

<Update label="2026-08-15" description="v2.3.0">
  * **Selective Canvas Scrubbing**: Mask sensitive charts and HTML5 canvas renderings.
  * **Offline Crash Buffering**: iOS and Android SDKs buffer crash reports and replays across network outages.
  * **Linear Integration**: Bi-directional issue sync with custom triage workflows.
</Update>

***

## July 2026

### v2.2.0 — Distributed Flamegraphs

<Update label="2026-07-02" description="v2.2.0">
  * **Interactive Flamegraphs**: Zoom into high-latency sub-spans across multi-tier microservices.
  * **CLI Doctor**: Added `traceback doctor` to validate source map builds and endpoint latency.
</Update>