# Fusion Client

Welcome to the Fusion Client Release Notes.

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Here you’ll find the latest updates, enhancements, and fixes for **Fusion Client**. Each release is listed in the version table for quick reference, followed by release dates on availability.

<table><thead><tr><th width="117">Version</th><th width="246">Release Name</th><th width="152">Release Date</th><th>Availability</th></tr></thead><tbody><tr><td><mark style="color:$primary;"><strong>V21</strong></mark></td><td><a href="windows/fusion-version-21"><mark style="color:$primary;"><strong>March 26 Release (V21)</strong></mark></a></td><td>04/04/2026</td><td>✅ <mark style="color:$primary;"><strong>GA</strong></mark></td></tr><tr><td>V20.20</td><td><a href="windows/fusion-version-20.20">Feb 26 Release (V20.20)</a></td><td>03/07/2026</td><td>✅ GA</td></tr><tr><td>V20.10</td><td><a href="windows/fusion-version-20.10">Jan 26 Release (V20.10)</a></td><td>01/31/2026</td><td>✅ GA</td></tr><tr><td>V20</td><td><a href="windows/fusion-version-20">Dec 25 Release (V20)</a></td><td>01/01/2026</td><td>🟡 Limited </td></tr><tr><td>V19</td><td><a href="windows/fusion-version-19">Sept 25 Release (V19)</a></td><td>09/27/2025</td><td>🟡 Limited </td></tr><tr><td>V18</td><td><a href="windows/fusion-version-18">June 25 Release (V18)</a></td><td>07/01/2025</td><td>🟡 Limited </td></tr><tr><td>V17</td><td><a href="windows/fusion-version-17">April 25 Release (V17)</a></td><td>05/06/2025</td><td>🟡 Limited </td></tr><tr><td>V16</td><td><a href="windows/fusion-version-16">Jan 25 Release (V16)</a></td><td>01/02/2025</td><td>🟡 Limited </td></tr><tr><td>V15</td><td><a href="windows/fusion-version-15">Feb 24 Release (V15)</a></td><td>02/26/2024</td><td>🟡 Limited</td></tr><tr><td>V14</td><td><a href="windows/fusion-version-14">Jul 23 Release (V14)</a></td><td>07/21/2023</td><td>🟡 Limited</td></tr><tr><td>V13</td><td><a href="windows/older-versions/windows/fusion-version-13">Nov 22 Release (V13)</a></td><td>11/11/2022</td><td>🟡 Limited</td></tr><tr><td>V12</td><td><a href="windows/older-versions/windows/fusion-version-12">Aug 21 Release (V12)</a></td><td>08/15/2021</td><td>🟡 Limited</td></tr><tr><td>V11</td><td><a href="windows/older-versions/windows/fusion-version-11">Apr 21 Release (V11)</a></td><td>04/23/2021</td><td>🟡 Limited</td></tr><tr><td>V10</td><td><a href="windows/older-versions/windows/fusion-version-10">Dec 20 Release (V10)</a></td><td>12/23/2020</td><td>🟡 Limited</td></tr><tr><td>V9</td><td><a href="windows/older-versions/windows/fusion-version-9">Nov 20 Release (V9)</a></td><td>10/08/2020</td><td>🟡 Limited</td></tr><tr><td>V8</td><td><a href="windows/older-versions/windows/fusion-version-8">Aug 20 Release (V8)</a></td><td>08/21/2020</td><td>🔴 EOS</td></tr><tr><td>V7</td><td><a href="windows/older-versions/windows/fusion-version-7">Jul 20 Release (V7)</a></td><td>06/03/2020</td><td>🔴 EOS</td></tr><tr><td>V6</td><td><a href="windows/older-versions/windows/fusion-version-6">May 20 Release (v6)</a></td><td>05/06/2020</td><td>🔴 EOS</td></tr><tr><td>V4</td><td><a href="windows/older-versions/windows/fusion-version-4">Feb 20 Release (V4)</a></td><td>03/26/2020</td><td>🔴 EOS</td></tr><tr><td>V3</td><td>Not Available</td><td>01/03/2020</td><td>🔴 EOS</td></tr><tr><td>V2</td><td>Not Available</td><td>12/13/2019</td><td>🔴 EOS</td></tr><tr><td>V1</td><td>Not Available</td><td>12/13/2019</td><td>🔴 EOS</td></tr></tbody></table>

#### Legends

* 🟢 GA (General Availability): Fully rolled out and recommended for all users.
* 🟡 Limited Support: <mark style="background-color:$warning;">Critical/compatibility fixes only.</mark>
* 🔴 EOS (End of Support): <mark style="color:$danger;background-color:$danger;">No maintenance; upgrade is required.</mark>

Starting August 2025, we will publish a unified release notes document for Windows, Mac, and Google Sheets Fusion Clients. Previous release notes have been archived and are available [here](https://docs.valorx.com/valorx-fusion/versions-and-release-notes/windows/older-versions).

## **Versioning Lifecycle Policy**

To provide clarity on support and upgrade paths, Fusion now follows a Versioning Lifecycle Policy:

* **Latest Supported Version (LSV):** The most recent release and the previous three versions receive full support.
* **Oldest Supported Version (OSV):** The minimum supported version continues to receive limited support.
* **End-of-Life (EOL):** Versions older than the OSV are no longer supported and require an upgrade.

This policy ensures flexibility while maintaining stability and security across all supported versions.