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        <title><![CDATA[UniFi OS Server | Releases | Ubiquiti Community]]></title>
        <description><![CDATA[UniFi OS Server | Releases | Ubiquiti Community]]></description>
        <link>https://community.ui.com</link>
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            <title>UniFi OS Server | Releases | Ubiquiti Community</title>
            <link>https://community.ui.com</link>
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        <lastBuildDate>Wed, 30 Sep 2026 21:47:06 GMT</lastBuildDate>
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        <pubDate>Wed, 30 Sep 2026 21:47:06 GMT</pubDate>
        <copyright><![CDATA[© 2026 Ubiquiti Inc. All rights reserved.]]></copyright>
        <item>
            <title><![CDATA[UniFi OS Server 5.1.42]]></title>
            <description><![CDATA[<h2>Overview</h2><p><br></p><p><strong>&nbsp;</strong></p><p><strong>Bundled</strong></p><ul><li>UniFi Network <a href="https://community.ui.com/releases/r/network/10.5.67" rel="noopener noreferrer" target="_blank">10.5.67</a></li><li>Identity Sync Service <a href="https://community.ui.com/releases/r/identity-sync/1.8.4" rel="noopener noreferrer" target="_blank">1.8.4</a></li></ul><h2>Bugfixes</h2><ul><li>Fixed an issue where applications could fail to install or update.</li></ul>]]></description>
            <link>https://community.ui.com/releases/UniFi-OS-Server-5-1-42/509f4de9-8fe4-4718-abad-1bb6990dedcc</link>
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            <category><![CDATA[unifi-network]]></category>
            <dc:creator><![CDATA[UI-Glenn]]></dc:creator>
            <pubDate>Wed, 09 Sep 2026 13:45:22 GMT</pubDate>
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            <title><![CDATA[UniFi OS Server 5.1.40]]></title>
            <description><![CDATA[<h2>Overview</h2><p><br></p><p><strong>&nbsp;</strong></p><p><strong>Bundled</strong></p><ul><li>UniFi Network <a href="https://community.ui.com/releases/r/network/10.5.67" rel="noopener noreferrer" target="_blank">10.5.67</a></li><li>Identity Sync Service <a href="https://community.ui.com/releases/r/identity-sync/1.8.4" rel="noopener noreferrer" target="_blank">1.8.4</a></li></ul><h2>Improvements</h2><ul><li>Improved Linux directory and file permissions.</li></ul><h2>Bugfixes</h2><ul><li>Fixed an issue where the Windows Elevation Service could fail to run commands when it could not retrieve the active user token.</li><li class="ql-indent-1">Affected users must update manually by running the installer in the foreground.</li></ul>]]></description>
            <link>https://community.ui.com/releases/UniFi-OS-Server-5-1-40/b65fa5e0-5797-4efe-89d6-666b391973ed</link>
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            <category><![CDATA[unifi-network]]></category>
            <dc:creator><![CDATA[UI-Glenn]]></dc:creator>
            <pubDate>Mon, 31 Aug 2026 07:44:42 GMT</pubDate>
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        <item>
            <title><![CDATA[UniFi OS Server 5.1.37]]></title>
            <description><![CDATA[<h2>Overview</h2><p><br></p><p><strong>&nbsp;</strong></p><p><strong>Bundled Application</strong></p><ul><li>UniFi Network <a href="https://community.ui.com/releases/r/network/10.5.67" rel="noopener noreferrer" target="_blank">10.5.67</a></li></ul><h2>Improvements</h2><ul><li>Added the option to disable Remote Access on Fabric-linked UniFi OS Server consoles.</li><li>Improved Windows updates to prevent them from being blocked by UAC prompts.</li><li>Improved application backup reliability for large datasets.</li><li>Improved UniFi OS Server update reliability when downloads stop transferring data.</li><li>Improved error messages when required ports are already in use or unsupported WSL mirrored networking is enabled.</li><li>Improved system stability.</li></ul><h2>Bugfixes</h2><ul><li>Fixed the security issues mentioned in <a href="https://community.ui.com/releases/r/security/067" rel="noopener noreferrer" target="_blank">Security Advisory Bulletin 067</a>.</li><li>Fixed an issue where IP addresses could be missing on Windows.</li><li>Fixed legacy Network migration on Windows and macOS.</li><li>Fixed an issue where Identity WiFi could crash due to incomplete Network connectivity settings.</li><li>Fixed an issue where One-Click WiFi system log events could be missing for some RADIUS usernames.</li><li>Fixed an issue where Network-managed console devices could disappear from discovery results.</li><li>Fixed an issue where a stopped application could restart when another application was registered.</li></ul>]]></description>
            <link>https://community.ui.com/releases/UniFi-OS-Server-5-1-37/ca9003ca-2c3f-42e6-9a1c-0a4f8edc0854</link>
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            <category><![CDATA[unifi-network]]></category>
            <dc:creator><![CDATA[UI-Glenn]]></dc:creator>
            <pubDate>Tue, 18 Aug 2026 12:51:19 GMT</pubDate>
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            <title><![CDATA[UniFi OS Server 5.1.21]]></title>
            <description><![CDATA[<h2>Overview</h2><p><br></p><p><strong>&nbsp;</strong></p><p><strong>Bundled Application</strong></p><ul><li>UniFi Network <a href="https://community.ui.com/releases/r/network/10.4.57" rel="noopener noreferrer" target="_blank">10.4.57</a></li></ul><h2>Bugfixes</h2><ul><li>Fixed an issue where "Remember Me" local login sessions expired sooner than expected following recent security updates.</li><li class="ql-indent-1">"Remember Me" sessions now remain active for up to 30 days. Re-authentication is still required after UniFi OS upgrades and console reboots.</li><li class="ql-indent-1">For the best authentication experience, use the UniFi Mobile App or <a href="http://unifi.ui.com/" rel="noopener noreferrer" target="_blank">unifi.ui.com</a>.</li></ul>]]></description>
            <link>https://community.ui.com/releases/UniFi-OS-Server-5-1-21/f4f0ef76-3e10-4de5-837b-30ff4500f36e</link>
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            <category><![CDATA[unifi-network]]></category>
            <dc:creator><![CDATA[UI-Glenn]]></dc:creator>
            <pubDate>Tue, 07 Jul 2026 12:16:24 GMT</pubDate>
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            <title><![CDATA[UniFi OS Server 5.1.19]]></title>
            <description><![CDATA[<h2>Overview</h2><p>UniFi OS 5.1.19 includes the improvements and bugfixes below.</p><p><strong>&nbsp;</strong></p><p><strong>Bundled Application</strong></p><ul><li>UniFi Network <a href="https://community.ui.com/releases/r/network/10.4.57" rel="noopener noreferrer" target="_blank">10.4.57</a></li></ul><h2>Improvements</h2><ul><li>Improved update resiliency.</li><li>Improved generating support files.</li><li>Improved backup restore resiliency.</li></ul><h2>Bugfixes</h2><ul><li>Fixed the security issues mentioned in <a href="https://community.ui.com/releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-4227-942d-671c289b3afc" rel="noopener noreferrer" target="_blank">Security Advisory Bulletin 066.</a></li></ul>]]></description>
            <link>https://community.ui.com/releases/UniFi-OS-Server-5-1-19/05db58f8-3306-48dc-bbd8-6cb681046a6d</link>
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            <category><![CDATA[unifi-network]]></category>
            <dc:creator><![CDATA[UI-Glenn]]></dc:creator>
            <pubDate>Wed, 17 Jun 2026 17:07:02 GMT</pubDate>
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        <item>
            <title><![CDATA[UniFi OS Server 5.1.15]]></title>
            <description><![CDATA[<h2>Overview</h2><p><br></p><p><strong>&nbsp;</strong></p><p><strong>Bundled Application</strong></p><ul><li>UniFi Network <a href="https://community.ui.com/releases/r/network/10.4.57" rel="noopener noreferrer" target="_blank">10.4.57</a></li></ul><h2>Improvements</h2><ul><li>Added support for automatic Let’s Encrypt certificates.</li><li>Added support for configuring a custom Network memory limit.</li><li>Allowed Super Admins to restore local backups.</li><li>Improved firmware upgrade behavior by updating the Network Application to the latest official release after upgrades.</li><li>Improved the Alarm Manager user experience.</li><li>Improved remote connection reliability and fixed cases where pages could load indefinitely.</li><li>Improved backup restore resiliency.</li><li>Improved overall system stability and device discovery resiliency.</li><li>Removed unused external port 8443.</li><li>Lowered the default Network memory limit from 80% to 70% of host memory to improve system headroom and stability.</li></ul><p><strong>&nbsp;</strong></p><p class="ql-indent-1"><strong>Linux</strong></p><ul><li>Added automatic migration from the legacy Network Server.</li><li>Added low swap-space warnings to help prevent failures caused by memory pressure.</li><li>Improved installer resiliency by applying only targeted and custom sysctl overrides.</li><li>Improved update reliability by waiting for ports to close before applying updates.</li><li>Restricted port 11084 to loopback access.</li></ul><p>&nbsp;</p><p class="ql-indent-1"><strong>Windows &amp; macOS</strong></p><ul><li>Improved the Windows WSL bootstrap flow with better resiliency and clearer error messages.</li><li>Improved container port binding behavior by binding explicitly instead of all interfaces.</li><li>Improved Windows diagnostics and troubleshooting logs.</li><li>Restored ICMP and ping functionality inside Podman containers.</li></ul><h2>Bugfixes</h2><ul><li>Fixed an issue where downloading device support files via the side panel failed.</li><li class="ql-indent-1">This requires port 28082 to be accessible for the devices.</li><li>Fixed cases where Network support files could be empty.</li><li>Fixed the security issues mentioned in <a href="https://community.ui.com/releases/Security-Advisory-Bulletin-065-065/aa46a22b-fc43-4eae-9382-6fc8feda967a" rel="noopener noreferrer" target="_blank">Security Advisory Bulletin 065</a>.</li></ul><p><br></p><p><strong>&nbsp;</strong></p><p class="ql-indent-1"><strong>Linux</strong></p><ul><li>Fixed update failures caused by disk quota limitations on temporary host storage.</li><li>Fixed an issue where the service could fail to start after boot because the user session was not yet ready.</li></ul><p>&nbsp;</p><p class="ql-indent-1"><strong>Windows &amp; macOS</strong></p><ul><li>Fixed unnecessary container recreation caused by mount reordering.</li><li>Fixed WSL version detection on non-English and non-US locale systems.</li><li>Fixed an issue where support file generation could corrupt Podman state on Windows.</li><li>Fixed Windows 10 firewall blocking for the discovery port.</li></ul>]]></description>
            <link>https://community.ui.com/releases/UniFi-OS-Server-5-1-15/11843c60-7c4f-4263-9773-4c3df7168d07</link>
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            <category><![CDATA[unifi-network]]></category>
            <dc:creator><![CDATA[UI-Glenn]]></dc:creator>
            <pubDate>Fri, 29 May 2026 06:39:28 GMT</pubDate>
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        <item>
            <title><![CDATA[UniFi OS Server 5.0.8]]></title>
            <description><![CDATA[<h2>Overview</h2><p><br></p><p><strong>&nbsp;</strong></p><p><strong>Bundled Application</strong></p><ul><li>UniFi Network <a href="https://community.ui.com/releases/r/network/10.3.58" rel="noopener noreferrer" target="_blank">10.3.58</a></li></ul><h2>Improvements</h2><ul><li>Improved stability.</li></ul><h2>Bugfixes</h2><ul><li>Fixed the security issues mentioned in <a href="https://community.ui.com/releases/r/security/064" rel="noopener noreferrer" target="_blank">Security Advisory Bulletin 064</a>.</li></ul><p><br></p>]]></description>
            <link>https://community.ui.com/releases/UniFi-OS-Server-5-0-8/6b00e638-d383-4767-b886-fde29f5e331b</link>
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            <category><![CDATA[unifi-network]]></category>
            <dc:creator><![CDATA[UI-Glenn]]></dc:creator>
            <pubDate>Wed, 20 May 2026 17:14:02 GMT</pubDate>
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        <item>
            <title><![CDATA[UniFi OS Server 5.0.6]]></title>
            <description><![CDATA[<h2>Overview</h2><p><br></p><p><strong>&nbsp;</strong></p><p><strong>Bundled Application</strong></p><ul><li>UniFi Network <a href="https://community.ui.com/releases/r/network/9.5.21" rel="noopener noreferrer" target="_blank">9.5.21</a></li></ul><h2>Improvements</h2><ul><li>Added support for recovering corrupted states on macOS and Windows.</li><li>Added support for Pasta networking mode on Linux.</li><li class="ql-indent-1">Required podman version 4.9.3 or newer.</li><li>Added time/date mismatch toast messages.</li><li>Improved Network Application stability.</li><li>Improved the Alarm Manager user experience and resiliency.</li><li>Improved Remote Access connection resiliency.</li><li>Improved the Internet connectivity check.</li><li>Improved the resiliency of the backup and restore process.</li><li>Improved the device discovery process for faster detection.</li><li>Improved the certificate file validation.</li><li>Improved required packages/versions validation.</li></ul><h2>Bugfixes</h2><ul><li>Fixed the inability to create support files in rare cases.</li><li>Fixed an issue where the application was shown as ready while it was actually still starting.</li><li>Fixed an issue where local account users did not receive email notifications.</li></ul>]]></description>
            <link>https://community.ui.com/releases/UniFi-OS-Server-5-0-6/27e08ff9-377c-4ffe-a67b-8c138d7faae1</link>
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            <category><![CDATA[unifi-network]]></category>
            <dc:creator><![CDATA[UI-Glenn]]></dc:creator>
            <pubDate>Thu, 04 Dec 2025 14:59:27 GMT</pubDate>
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        <item>
            <title><![CDATA[UniFi OS Server 4.3.6]]></title>
            <description><![CDATA[<h2>Overview</h2><p>UniFi OS Server allows users to run the full UniFi OS experience on their own Windows, macOS, or Linux hardware. Initially, it will support the UniFi Network and InnerSpace application.</p><p>&nbsp;</p><p><strong>Benefits of UniFi OS Server (Compared to Self-Hosting Only the Network Application)</strong></p><p>Opting for a UniFi OS Server provides several advantages over simply running the standalone UniFi Network application:</p><ul><li><strong>Full UniFi OS Experience:</strong>&nbsp;Enjoy the comprehensive and unified UniFi OS interface, providing a consistent management experience similar to that found on official UniFi Consoles.</li><li><strong>Future-Proof Platform:</strong>&nbsp;Built on the UniFi OS foundation, this self-hosted solution is better positioned to support new features, updates, and upcoming UniFi applications, offering greater extensibility.</li><li><strong>Unified Updates:</strong>&nbsp;Manage updates for the underlying UniFi OS and its applications through a more integrated process.</li></ul><p><strong>&nbsp;</strong></p><p><strong>System Requirements</strong></p><ul><li><strong>Storage:</strong></li><li class="ql-indent-1">Minimum: 20GB of free disk space.</li><li><strong>Software Dependencies:</strong>&nbsp;</li><li class="ql-indent-1">The UniFi OS Server installer will typically include necessary dependencies or guide you through their setup.</li><li class="ql-indent-1">On Linux - Podman 4.3.1 or higher.</li><li class="ql-indent-1">On Windows - WSL (Windows Subsystem for Linux) version 2 - installed during setup.</li><li><strong>Ports used:</strong></li><li class="ql-indent-1"><strong>3478, 5005, 5514, 6789, 8080, 8444, 8880, 8881, 8882, 9543, 10003, 11084, 11443.</strong></li></ul><p><br></p><p><strong>&nbsp;</strong></p><p><strong>Bundled Application</strong></p><ul><li>UniFi Network <a href="https://community.ui.com/releases/r/network/9.4.19" rel="noopener noreferrer" target="_blank">9.4.19</a></li></ul>]]></description>
            <link>https://community.ui.com/releases/UniFi-OS-Server-4-3-6/6203a43a-d19b-43ee-9cf9-835522f19eae</link>
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            <category><![CDATA[unifi-network]]></category>
            <dc:creator><![CDATA[UI-Glenn]]></dc:creator>
            <pubDate>Mon, 22 Sep 2025 13:42:05 GMT</pubDate>
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