# \#vega-performance **URL:** https://community.amazondeveloper.com/tag/vega-performance/175.md [Latest](https://community.amazondeveloper.com/latest.md) · [Categories](https://community.amazondeveloper.com/categories.md) · [Tags](https://community.amazondeveloper.com/tags.md) --- ## [Vega LAT: Users unable to install or launch app; installed app missing from launcher after restart](https://community.amazondeveloper.com/t/vega-lat-users-unable-to-install-or-launch-app-installed-app-missing-from-launcher-after-restart/29197)
**Author:** [@James\_Timms](https://community.amazondeveloper.com/u/James_Timms)\ **Replies:** 4\ **Last updated:** [October 6, 2026, 4:01am UTC](https://community.amazondeveloper.com/t/vega-lat-users-unable-to-install-or-launch-app-installed-app-missing-from-launcher-after-restart/29197 "2026-10-06T04:01:11Z")
App Name: Home Entertainment Hub SDK Version: v0.24.12044 React Native Version: RN 0.83.0 App Version: 2.1.41 Distribution: Amazon Live App Testing (LAT) Platform: Physical Fire TV device running Vega OS Title: Veg… --- ## [Vega-Studio SDK not detecting the physical device and stops my current development](https://community.amazondeveloper.com/t/vega-studio-sdk-not-detecting-the-physical-device-and-stops-my-current-development/28335)
**Author:** [@Vishnu](https://community.amazondeveloper.com/u/Vishnu)\ **Replies:** 6\ **Last updated:** [May 19, 2026, 6:46pm UTC](https://community.amazondeveloper.com/t/vega-studio-sdk-not-detecting-the-physical-device-and-stops-my-current-development/28335 "2026-05-19T18:46:39Z")
:backhand\_index\_pointing\_right: Bug Description Hello Team, I’m facing an issue with my Vega extension in Vega Studio. Under the devices section, it is not detecting my physical device once the device is completely load… --- ## [Vega App Performance Series, Part 3: Optimizing for Fluidity and Responsiveness](https://community.amazondeveloper.com/t/vega-app-performance-series-part-3-optimizing-for-fluidity-and-responsiveness/25137)
**Author:** [@mithshah](https://community.amazondeveloper.com/u/mithshah)\ **Replies:** 0\ **Last updated:** [January 6, 2026, 5:25pm UTC](https://community.amazondeveloper.com/t/vega-app-performance-series-part-3-optimizing-for-fluidity-and-responsiveness/25137 "2026-01-06T17:25:00Z")
Introduction In Part 1, we covered the key metrics for measuring fluidity and responsiveness. In Part 2, we identified performance issues in the home screen implementation using the KPI Visualizer and Perfetto traces. No… --- ## [Vega App Performance Series, Part 2: Investigate Performance Issues](https://community.amazondeveloper.com/t/vega-app-performance-series-part-2-investigate-performance-issues/25136)
**Author:** [@mithshah](https://community.amazondeveloper.com/u/mithshah)\ **Replies:** 0\ **Last updated:** [January 6, 2026, 5:24pm UTC](https://community.amazondeveloper.com/t/vega-app-performance-series-part-2-investigate-performance-issues/25136 "2026-01-06T17:24:50Z")
Introduction In Part 1, we covered the key metrics for measuring fluidity and responsiveness in Vega apps: UI fluidity, key pressed/released latency, and how to use the KPI Visualizer. Now let’s put that knowledge to inv… --- ## [Vega App Performance Series, Part 1: Understanding Fluidity and Responsiveness Metrics](https://community.amazondeveloper.com/t/vega-app-performance-series-part-1-understanding-fluidity-and-responsiveness-metrics/25135)
**Author:** [@mithshah](https://community.amazondeveloper.com/u/mithshah)\ **Replies:** 0\ **Last updated:** [January 6, 2026, 5:24pm UTC](https://community.amazondeveloper.com/t/vega-app-performance-series-part-1-understanding-fluidity-and-responsiveness-metrics/25135 "2026-01-06T17:24:37Z")
Introduction Users expect apps to be smooth and responsive. When they click a button on a remote, the UI should respond instantly. When they scroll through content, it should glide without stuttering. When they hit play,… --- ## [🎥 How to use Perfetto Traces to Debug Performance Issues](https://community.amazondeveloper.com/t/how-to-use-perfetto-traces-to-debug-performance-issues/9812)
**Author:** [@cebratec](https://community.amazondeveloper.com/u/cebratec)\ **Replies:** 0\ **Last updated:** [October 1, 2025, 2:58pm UTC](https://community.amazondeveloper.com/t/how-to-use-perfetto-traces-to-debug-performance-issues/9812 "2025-10-01T14:58:13Z")
:light\_bulb: Check out the vega-best-practices tag for upcoming walkthrough articles. Title: How to use Perfetto Traces to Debug Performance Issues Presenter: @cebratec Description: Join me as I walk y… --- ## [Vega UI Fluidity Guide](https://community.amazondeveloper.com/t/vega-ui-fluidity-guide/8844)
**Author:** [@jogashu](https://community.amazondeveloper.com/u/jogashu)\ **Replies:** 0\ **Last updated:** [February 14, 2025, 7:58pm UTC](https://community.amazondeveloper.com/t/vega-ui-fluidity-guide/8844 "2025-02-14T19:58:44Z")
When it comes to building high-quality TV apps, UI fluidity is a critical factor that directly impacts user experience. A smooth and responsive user interface makes your app feel polished, fast, and easy to use. Users ar… --- ## [Vega App Performance with JS Traces and Perfetto](https://community.amazondeveloper.com/t/vega-app-performance-with-js-traces-and-perfetto/8732)
**Author:** [@hrishid](https://community.amazondeveloper.com/u/hrishid)\ **Replies:** 0\ **Last updated:** [February 7, 2025, 1:02am UTC](https://community.amazondeveloper.com/t/vega-app-performance-with-js-traces-and-perfetto/8732 "2025-02-07T01:02:20Z")
Tracing is an effective way to narrow down points of interest when optimizing your app code. Vega has built-in support for Perfetto which is a popular developer tool to record, analyze and visualize traces from App’s co… --- ## [Vega App Latency Guide](https://community.amazondeveloper.com/t/vega-app-latency-guide/8842)
**Author:** [@jogashu](https://community.amazondeveloper.com/u/jogashu)\ **Replies:** 0\ **Last updated:** [February 14, 2025, 7:40pm UTC](https://community.amazondeveloper.com/t/vega-app-latency-guide/8842 "2025-02-14T19:40:18Z")
App Latency refers to how quickly the app starts up when user selects to launch the app and is ready to be used and interacted by the user. There are 2 main areas of App latency TTFF: Time to First Frame and TTFD/RTU: Ti… --- ## [Improving App Launch Performance with Splash Screen and ReportFullyDrawn()](https://community.amazondeveloper.com/t/improving-app-launch-performance-with-splash-screen-and-reportfullydrawn/5348)
**Author:** [@jogashu](https://community.amazondeveloper.com/u/jogashu)\ **Replies:** 0\ **Last updated:** [June 12, 2024, 9:33am UTC](https://community.amazondeveloper.com/t/improving-app-launch-performance-with-splash-screen-and-reportfullydrawn/5348 "2024-06-12T09:33:56Z")
Performance is an essential area of focus when building applications for Vega devices and it’s critical to understand the key terms and KPIs used to measure your app loading times. Monitoring performance through the enti… --- ## [Handling Vega App Backgrounding/Foregrounding](https://community.amazondeveloper.com/t/handling-vega-app-backgrounding-foregrounding/7590)
**Author:** [@jogashu](https://community.amazondeveloper.com/u/jogashu)\ **Replies:** 0\ **Last updated:** [November 14, 2024, 10:40am UTC](https://community.amazondeveloper.com/t/handling-vega-app-backgrounding-foregrounding/7590 "2024-11-14T10:40:34Z")
There are various different use cases in which an app running on a Vega device can be moved into background and foreground. We would like to offer this guidance to developers on the correct way of simulating foregroundin… --- ## [Optimize Your Build with Architecture-Specific Building](https://community.amazondeveloper.com/t/optimize-your-build-with-architecture-specific-building/10294)
**Author:** [@Alejandro\_Aybar\_Cifuentes](https://community.amazondeveloper.com/u/Alejandro_Aybar_Cifuentes)\ **Replies:** 0\ **Last updated:** [May 22, 2025, 9:01pm UTC](https://community.amazondeveloper.com/t/optimize-your-build-with-architecture-specific-building/10294 "2025-05-22T21:01:32Z")
Hello Vega developers! We wanted to highlight a powerful feature in Vega Studio that you might not be taking advantage of: Architecture-Specific Building. This feature has been quietly improving build times and reducing… --- ## [System Bundles: Smaller Apps and Faster Startups](https://community.amazondeveloper.com/t/system-bundles-smaller-apps-and-faster-startups/20167)
**Author:** [@cebratec](https://community.amazondeveloper.com/u/cebratec)\ **Replies:** 0\ **Last updated:** [August 29, 2025, 6:23pm UTC](https://community.amazondeveloper.com/t/system-bundles-smaller-apps-and-faster-startups/20167 "2025-08-29T18:23:17Z")
Understanding System Bundles in Apps for Amazon Fire TV by @cebratec, @Abhay\_Jain,\* @Christian\_Van\_Boven1 Modern apps built on React Native often ship with large monolithic JavaScript bundles. These bundles include e… --- ## [How to merge JS profiler traces into a Perfetto trace file](https://community.amazondeveloper.com/t/how-to-merge-js-profiler-traces-into-a-perfetto-trace-file/8841)
**Author:** [@hrishid](https://community.amazondeveloper.com/u/hrishid)\ **Replies:** 0\ **Last updated:** [February 14, 2025, 7:19pm UTC](https://community.amazondeveloper.com/t/how-to-merge-js-profiler-traces-into-a-perfetto-trace-file/8841 "2025-02-14T19:19:14Z")
When debugging performance in Vega apps, the KPI Visualizer generates two types of trace data: Perfetto traces (system-level CPU, GPU, frame timing) and JS Profiler traces (JavaScript function-level execution). By defaul…