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

# Release notes

> Stay up to date with the latest major montly updates

export const SiftIcon = ({className}) => <span className={`inline-flex items-center align-middle text-black dark:text-white ${className || ''}`}>
    <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" id="Artwork" x="0px" y="0px" viewBox="0 0 1005.58 733.96" style={{
  enableBackground: "new 0 0 1005.58 733.96",
  width: "2em",
  height: "2em"
}} xmlSpace="preserve">
      <path fill="currentColor" d="M552.16,150.89c-165.6,0-180.29,160.61-300.62,192.32v2.67h601.24v-2.67C747.74,324.18,717.72,150.89,552.16,150.89z   M453.46,583.08c165.6,0,180.29-160.61,300.62-192.32v-2.67H152.84v2.67C257.88,409.78,287.91,583.08,453.46,583.08z" />
    </svg>
  </span>;

<div>
  <button type="button" className="px-5 flex items-center font-medium text-sm rounded-full py-2 shadow-sm text-white dark:text-white bg-primary-dark dark:bg-primary-dark hover:opacity-90 hover:bg-primary justify-center">
    <a href="./2026/may-2026" className="flex items-center text-white">
      Latest

      <svg
        className="size-3 ml-2 bg-white dark:bg-white"
        style={{
    maskImage: 'url("https://mintlify.b-cdn.net/solid/arrow-right-long.svg")',
    maskRepeat: 'no-repeat',
    maskPosition: 'center center',
  }}
      />
    </a>
  </button>
</div>

***

<div className="flex items-center justify-center gap-4">
  <Icon icon="calendar" /> 2026
</div>

<Update label="May 2026">
  ### Control access, catch drift, and automate your thresholds

  This release puts you in control of who sees your telemetry, helps you catch Run drift with statistical baselines built from related Runs, and lets Rules and Calculated Channels use values from Asset and Run files.

  HDF5 and TDMS files now upload directly into Sift, and every new Panel in Explore opens with your preferred settings. [Learn more](../release-notes/2026/may-2026).
</Update>

<Update label="April 2026">
  April 2026 ships a rebuilt Explore workspace, the ability to use Calculated Channels in Rule logic, and support for referencing Calculated Channels within other Calculated Channel calculations. [Learn more](../release-notes/2026/april-2026).
</Update>

<Update label="March 2026">
  This release adds data export, per-Channel downsampling controls, relative-time alignment, data source swapping, and the ability to plot and create Annotations in Explore, plus Calculated Channel support in Rules. [Learn more](../release-notes/2026/march-2026).
</Update>

<Update label="February 2026">
  This release makes Sift more capable and easier to use by helping engineers analyze telemetry in context. [Learn more](../release-notes/2026/february-2026).
</Update>

<Update label="January 2026">
  This month, we are launching new features that give you more precise control over your telemetry. These capabilities make it easier to share targeted visual reviews and export data for external analysis. [Learn more](../release-notes/2026/january-2026).
</Update>

<div className="flex items-center justify-center gap-4">
  <Icon icon="calendar" /> 2025
</div>

<Update label="December 2025">
  This month's updates make it easier to analyze, reuse, and deepen telemetry insights. [Learn more](../release-notes/december-2025).
</Update>

<Update label="November 2025">
  This month's updates reinforce our mission to make it easy to analyze, recreate, and act on the insights in your telemetry. [Learn more](../release-notes/november-2025).
</Update>

<Update label="October 2025">
  This month's release strengthens the connection between how data enters Sift and how teams stay supported while working in it. [Learn more](../release-notes/october-2025).
</Update>

<Update label="September 2025">
  This month's updates build on last month's momentum, bringing faster data ingestion, richer insights, and simpler ways to access your data once it's saved. Together, they highlight how Sift continues to streamline the path from collection to insight.
  [Learn more](../release-notes/september-2025).
</Update>

<Update label="August 2025">
  Each of this month's updates stands strong on its own, but together they tell a story about where Sift is headed. [Learn more](../release-notes/august-2025).
</Update>

<Update label="July 2025">
  This month's release notes introduce foundational upgrades across the Sift workspace. [Learn more](../release-notes/july-2025).
</Update>

<Update label="June 2025">
  This month's release notes introduce new ways to bring data into Sift and view it across your tools. [Learn more](../release-notes/june-2025).
</Update>

<Update label="May 2025">
  This month's release notes introduce a suite of impactful updates designed to enhance visibility, automation, and workspace organization in Sift. [Learn more](../release-notes/may-2025).
</Update>