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  <id>tag:google.com,2016:cos-release-notes</id>
  <title>Container Optimized OS - Release notes</title>
  <link rel="self" href="https://documentation.s3ns.fr/feeds/cos-release-notes.xml"/>
  <author>
    <name>Google Cloud Platform</name>
  </author>
  <updated>2025-09-16T00:00:00-07:00</updated>

  <entry>
    <title>September 16, 2025</title>
    <id>tag:google.com,2016:cos-release-notes#September_16_2025</id>
    <updated>2025-09-16T00:00:00-07:00</updated>
    <link rel="alternate" href="https://documentation.s3ns.fr/container-optimized-os/docs/release-notes#September_16_2025"/>
    <content type="html"><![CDATA[<strong class="release-note-product-version-title">dev</strong>
<h3>Fixed</h3>
<p>Fixed a kernel bug which caused boot to fail for n4 machine types.</p>
]]>
    </content>
  </entry>

  <entry>
    <title>August 18, 2025</title>
    <id>tag:google.com,2016:cos-release-notes#August_18_2025</id>
    <updated>2025-08-18T00:00:00-07:00</updated>
    <link rel="alternate" href="https://documentation.s3ns.fr/container-optimized-os/docs/release-notes#August_18_2025"/>
    <content type="html"><![CDATA[<strong class="release-note-product-version-title">125</strong>
<h3>Feature</h3>
<p>Enabled the Btrfs kernel module.</p>
]]>
    </content>
  </entry>

  <entry>
    <title>July 30, 2025</title>
    <id>tag:google.com,2016:cos-release-notes#July_30_2025</id>
    <updated>2025-07-30T00:00:00-07:00</updated>
    <link rel="alternate" href="https://documentation.s3ns.fr/container-optimized-os/docs/release-notes#July_30_2025"/>
    <content type="html"><![CDATA[<strong class="release-note-product-version-title">dev</strong>
<h3>Change</h3>
<p>Runtime sysctl changes:
<ul>
<li>Changed: fs.file-max: 811539 -&gt; 811510</li>
</ul></p>
]]>
    </content>
  </entry>

  <entry>
    <title>July 28, 2025</title>
    <id>tag:google.com,2016:cos-release-notes#July_28_2025</id>
    <updated>2025-07-28T00:00:00-07:00</updated>
    <link rel="alternate" href="https://documentation.s3ns.fr/container-optimized-os/docs/release-notes#July_28_2025"/>
    <content type="html"><![CDATA[<strong class="release-note-product-version-title">117</strong>
<h3>Security</h3>
<p>Fixed KCTF-5e28d5a in the Linux kernel.</p>
<h3>Change</h3>
<p>Runtime sysctl changes:
<ul>
<li>Changed: fs.file-max: 811820 -&gt; 811775</li>
</ul></p>
]]>
    </content>
  </entry>

  <entry>
    <title>March 05, 2025</title>
    <id>tag:google.com,2016:cos-release-notes#March_05_2025</id>
    <updated>2025-03-05T00:00:00-08:00</updated>
    <link rel="alternate" href="https://documentation.s3ns.fr/container-optimized-os/docs/release-notes#March_05_2025"/>
    <content type="html"><![CDATA[<strong class="release-note-product-version-title">121</strong>
<h3>Change</h3>
<h3 id="cos-beta-121-18867-0-24_">cos-beta-121-18867-0-24 <a id='"cos-arm64-beta-121-18867-0-24"/'></a></h3>
<table class="pkg">
<tr>
<td>Kernel</td>
<td>Docker</td>
<td>Containerd</td>
<td><a href="https://documentation.s3ns.fr/container-optimized-os/docs/how-to/run-gpus">GPU Drivers</a></td>
</tr>
<tr>
<td><a href="https://cos.googlesource.com/third_party/kernel/+/bc67b314e6581abe448ef9194130530bf0872262
">COS-6.6.74</a></td>
<td>v25.0.7</td>
<td>v2.0.2</td>
<td><a href="https://storage.googleapis.com/cos-tools/18867.0.24/lakitu/gpu_driver_versions.textproto">See List</a></td>
</tr>
</table>
<h3>Change</h3>
<p>Removed dev-embedded/libftdi.</p>
<h3>Change</h3>
<p>Removed sys-libs/gdbm.</p>
<h3>Change</h3>
<p>Updated net-misc/curl to v8.11.1-r2.</p>
<h3>Change</h3>
<p>Updated net-firewall/iptables to v1.8.10-r3.</p>
<h3>Change</h3>
<p>Removed dev-python/inflect.</p>
<h3>Change</h3>
<p>Removed dev-libs/confuse.</p>
<h3>Change</h3>
<p>Updated chromeos-base/shill-client to v0.0.1-r4812.</p>
<h3>Change</h3>
<p>Removed chromeos-base/dlcservice-client.</p>
<h3>Change</h3>
<p>Updated dev-python/chardet to v3.0.4-r2.</p>
<h3>Change</h3>
<p>Removed dev-python/more-itertools.</p>
<h3>Change</h3>
<p>Removed dev-python/jaraco-functools.</p>
<h3>Change</h3>
<p>Updated dev-go/oauth2 to v0.23.0-r1.</p>
<h3>Change</h3>
<p>Upgraded app-admin/oslogin to 20241216.00-r1.</p>
<h3>Change</h3>
<p>Updated sys-apps/flashrom to v0.9.9-r1626.</p>
<h3>Change</h3>
<p>Updated app-admin/sudo to v1.9.16_p2-r1.</p>
<h3>Change</h3>
<p>Updated sys-apps/pv to v1.9.27.</p>
<h3>Change</h3>
<p>Updated sys-apps/diffutils to v3.11.</p>
<h3>Change</h3>
<p>Removed sys-libs/libsepol.</p>
<h3>Change</h3>
<p>Updated chromeos-base/debugd-client to v0.0.1-r2725.</p>
<h3>Change</h3>
<p>Updated net-dns/c-ares to v1.34.4.</p>
<h3>Change</h3>
<p>Removed chromeos-base/libec.</p>
<h3>Change</h3>
<p>Removed dev-python/platformdirs.</p>
<h3>Change</h3>
<p>Upgraded app-containers/cni-plugins to v1.6.2-r1.</p>
<h3>Change</h3>
<p>Upgraded app-emulation/cloud-init to v24.4.1-r1.</p>
<h3>Change</h3>
<p>Updated sys-libs/libseccomp to v2.5.5-r2.</p>
<h3>Change</h3>
<p>Removed dev-libs/libusb.</p>
<h3>Change</h3>
<h3 id="updates_to_minor_packages">Updates to Minor Packages:</h3>
<h3>Change</h3>
<p>Removed sys-libs/libselinux.</p>
<h3>Breaking</h3>
<p>Removed the capability to change the kernel's preemption model on the kernel command line.</p>
<h3>Announcement</h3>
<h3 id="updates_to_major_packages">Updates to Major Packages:</h3>
<h3>Change</h3>
<p>Removed dev-python/pydantic.</p>
<h3>Change</h3>
<p>Removed virtual/libusb.</p>
<h3>Change</h3>
<p>Updated app-admin/extensions-manager to v0.0.1-r58.</p>
<h3>Change</h3>
<p>Removed dev-python/setuptools_scm.</p>
<h3>Change</h3>
<p>Removed dev-python/tomli.</p>
<h3>Change</h3>
<p>Updated chromeos-base/update_engine-client to v0.0.1-r2469.</p>
<h3>Change</h3>
<p>Updated sys-libs/libcap to v2.71.</p>
<h3>Change</h3>
<p>Removed dev-python/typing-extensions.</p>
<h3>Change</h3>
<p>Removed dev-go/protobuf-legacy-api.</p>
<h3>Change</h3>
<p>Removed dev-python/ordered-set.</p>
<h3>Change</h3>
<p>Updated chromeos-base/session_manager-client to v0.0.1-r2816.</p>
<h3>Change</h3>
<p>Updated chromeos-base/power_manager-client to v0.0.1-r2960.</p>
<h3>Change</h3>
<p>Removed dev-python/importlib_resources.</p>
<h3>Change</h3>
<p>Removed chromeos-base/chromeos-ec-headers.</p>
<h3>Change</h3>
<p>Updated dev-db/sqlite to v3.47.2.</p>
<h3>Change</h3>
<p>Upgraded app-admin/google-osconfig-agent to v20250121.00-r1.</p>
<h3>Change</h3>
<p>Removed dev-python/setuptools.</p>
<h3>Change</h3>
<p>Removed dev-python/jaraco-text.</p>
<h3>Change</h3>
<p>Removed dev-python/zope-interface.</p>
<h3>Change</h3>
<p>Removed dev-go/appengine.</p>
<h3>Change</h3>
<p>Removed dev-python/webcolors.</p>
<h3>Change</h3>
<p>Upgraded app-containers/docker to v25.0.7.</p>
<h3>Change</h3>
<p>Removed dev-go/protobuf.</p>
<h3>Change</h3>
<p>Updated chromeos-base/chromeos-common-script to v0.0.1-r656.</p>
<h3>Announcement</h3>
<h3 id="new_features_and_changes_in_the_image">New Features and Changes in the Image:</h3>
<h3>Change</h3>
<p>Removed dev-python/autocommand.</p>
<h3>Change</h3>
<p>Added support for nftables flow offload and the flowtable infrastructure.</p>
<h3>Change</h3>
<p>Updated chromeos-base/update_engine to v0.0.3-r4806.</p>
<h3>Change</h3>
<p>Updated dev-libs/nss to v3.107.</p>
<h3>Change</h3>
<p>Upgraded app-admin/google-guest-agent to v20250204.02-r1.</p>
<h3>Change</h3>
<p>Updated chromeos-base/minijail to v18-r158.</p>
<h3>Change</h3>
<p>Removed dev-python/trove-classifiers.</p>
<h3>Change</h3>
<p>Removed dev-python/wheel.</p>
<h3>Change</h3>
<p>Updated chromeos-base/crash-reporter to v0.0.1-r4257.</p>
<h3>Change</h3>
<p>Upgraded app-containers/containerd to v2.0.2-r1.</p>
<h3>Breaking</h3>
<p>Removed support for R550, R560, and R565 Nvidia drivers.</p>
<h3>Change</h3>
<p>Upgraded app-containers/cri-tools to v1.31.1-r1.</p>
<h3>Change</h3>
<p>Updated net-libs/libnetfilter_conntrack to v1.1.0.</p>
<h3>Change</h3>
<p>Removed dev-python/zipp.</p>
<h3>Change</h3>
<p>Updated sys-apps/gentoo-functions to v1.7.3.</p>
<h3>Change</h3>
<p>Updated dev-libs/expat to v2.6.4.</p>
<h3>Change</h3>
<p>Updated net-libs/libtirpc to v1.3.6.</p>
<h3>Change</h3>
<p>Updated sys-fs/xfsprogs to v6.9.0.</p>
<h3>Change</h3>
<p>Upgraded app-containers/runc to v1.2.4-r1.</p>
<h3>Change</h3>
<p>Upgraded app-admin/fluent-bit to v3.2.5-r1.</p>
<h3>Change</h3>
<p>Removed dev-python/jaraco-context.</p>
<h3>Announcement</h3>
<h3 id="new_features_and_changes_in_the_linux_kernel">New Features and Changes in the Linux Kernel:</h3>
<h3>Change</h3>
<p>Upgraded net-misc/openssh to v9.9_p1.</p>
]]>
    </content>
  </entry>

  <entry>
    <title>January 13, 2025</title>
    <id>tag:google.com,2016:cos-release-notes#January_13_2025</id>
    <updated>2025-01-13T00:00:00-08:00</updated>
    <link rel="alternate" href="https://documentation.s3ns.fr/container-optimized-os/docs/release-notes#January_13_2025"/>
    <content type="html"><![CDATA[<strong class="release-note-product-version-title">105</strong>
<h3>Announcement</h3>
<p>This is an <a href="https://documentation.s3ns.fr/container-optimized-os/docs/concepts/versioning#lts_refresh_releases">LTS Refresh release</a>.</p>
]]>
    </content>
  </entry>

  <entry>
    <title>November 06, 2024</title>
    <id>tag:google.com,2016:cos-release-notes#November_06_2024</id>
    <updated>2024-11-06T00:00:00-08:00</updated>
    <link rel="alternate" href="https://documentation.s3ns.fr/container-optimized-os/docs/release-notes#November_06_2024"/>
    <content type="html"><![CDATA[<strong class="release-note-product-version-title">117</strong>
<h3>Change</h3>
<p>Upgraded sys-apps/xemu to v0.0.6</p>
<h3>Change</h3>
<p>Runtime sysctl changes:
<ul>
<li>Changed: fs.file-max: 811796 -&gt; 811757</li>
</ul></p>
]]>
    </content>
  </entry>

  <entry>
    <title>October 31, 2024</title>
    <id>tag:google.com,2016:cos-release-notes#October_31_2024</id>
    <updated>2024-10-31T00:00:00-07:00</updated>
    <link rel="alternate" href="https://documentation.s3ns.fr/container-optimized-os/docs/release-notes#October_31_2024"/>
    <content type="html"><![CDATA[<strong class="release-note-product-version-title">117</strong>
<h3>Announcement</h3>
<p>This is an <a href="https://documentation.s3ns.fr/container-optimized-os/docs/concepts/versioning#lts_refresh_releases">LTS Refresh release.</a></p>
]]>
    </content>
  </entry>

  <entry>
    <title>October 28, 2024</title>
    <id>tag:google.com,2016:cos-release-notes#October_28_2024</id>
    <updated>2024-10-28T00:00:00-07:00</updated>
    <link rel="alternate" href="https://documentation.s3ns.fr/container-optimized-os/docs/release-notes#October_28_2024"/>
    <content type="html"><![CDATA[<strong class="release-note-product-version-title">117</strong>
<h3>Change</h3>
<p>Runtime sysctl changes:
<ul>
<li>Changed: fs.file-max: 811768 -&gt; 811706</li>
</ul>
</p>

]]>
    </content>
  </entry>

  <entry>
    <title>October 24, 2024</title>
    <id>tag:google.com,2016:cos-release-notes#October_24_2024</id>
    <updated>2024-10-24T00:00:00-07:00</updated>
    <link rel="alternate" href="https://documentation.s3ns.fr/container-optimized-os/docs/release-notes#October_24_2024"/>
    <content type="html"><![CDATA[<strong class="release-note-product-version-title">109</strong>
<h3>Change</h3>
<p>Upgraded app-containers/containerd to 1.7.23.</p>
]]>
    </content>
  </entry>

  <entry>
    <title>October 21, 2024</title>
    <id>tag:google.com,2016:cos-release-notes#October_21_2024</id>
    <updated>2024-10-21T00:00:00-07:00</updated>
    <link rel="alternate" href="https://documentation.s3ns.fr/container-optimized-os/docs/release-notes#October_21_2024"/>
    <content type="html"><![CDATA[<strong class="release-note-product-version-title">113</strong>
<h3>Announcement</h3>
<p>This is an <a href="https://documentation.s3ns.fr/container-optimized-os/docs/concepts/versioning#lts_refresh_releases">LTS Refresh release.</a></p>
<strong class="release-note-product-version-title">105</strong>
<h3>Announcement</h3>
<p>This is an <a href="https://documentation.s3ns.fr/container-optimized-os/docs/concepts/versioning#lts_refresh_releases">LTS Refresh release</a>.</p>
]]>
    </content>
  </entry>

  <entry>
    <title>October 14, 2024</title>
    <id>tag:google.com,2016:cos-release-notes#October_14_2024</id>
    <updated>2024-10-14T00:00:00-07:00</updated>
    <link rel="alternate" href="https://documentation.s3ns.fr/container-optimized-os/docs/release-notes#October_14_2024"/>
    <content type="html"><![CDATA[<strong class="release-note-product-version-title">dev</strong>
<h3>Security</h3>
<p>Upgraded to v1.16.2. Fixed CVE-2024-0132 and CVE-2024-0133.</p>
]]>
    </content>
  </entry>

  <entry>
    <title>October 07, 2024</title>
    <id>tag:google.com,2016:cos-release-notes#October_07_2024</id>
    <updated>2024-10-07T00:00:00-07:00</updated>
    <link rel="alternate" href="https://documentation.s3ns.fr/container-optimized-os/docs/release-notes#October_07_2024"/>
    <content type="html"><![CDATA[<strong class="release-note-product-version-title">117</strong>
<h3>Security</h3>
<p>Upgraded to v1.16.2. Fixed CVE-2024-0132 and CVE-2024-0133.</p>
<strong class="release-note-product-version-title">113</strong>
<h3>Security</h3>
<p>Upgraded to v1.16.2. Fixed CVE-2024-0132 and CVE-2024-0133.</p>
<strong class="release-note-product-version-title">109</strong>
<h3>Security</h3>
<p>Upgraded nvidia-container-toolkit to v1.16.2. Fixed CVE-2024-0132 and CVE-2024-0133.</p>
]]>
    </content>
  </entry>

  <entry>
    <title>August 12, 2024</title>
    <id>tag:google.com,2016:cos-release-notes#August_12_2024</id>
    <updated>2024-08-12T00:00:00-07:00</updated>
    <link rel="alternate" href="https://documentation.s3ns.fr/container-optimized-os/docs/release-notes#August_12_2024"/>
    <content type="html"><![CDATA[<strong class="release-note-product-version-title">105</strong>
<h3>Announcement</h3>
<p>This is an <a href="https://documentation.s3ns.fr/container-optimized-os/docs/concepts/versioning#lts_refresh_releases">LTS Refresh release.</a></p>
<strong class="release-note-product-version-title">101</strong>
<h3>Announcement</h3>
<p>This is an <a href="https://documentation.s3ns.fr/container-optimized-os/docs/concepts/versioning#lts_refresh_releases">LTS Refresh release</a>.</p>
]]>
    </content>
  </entry>

  <entry>
    <title>July 01, 2024</title>
    <id>tag:google.com,2016:cos-release-notes#July_01_2024</id>
    <updated>2024-07-01T00:00:00-07:00</updated>
    <link rel="alternate" href="https://documentation.s3ns.fr/container-optimized-os/docs/release-notes#July_01_2024"/>
    <content type="html"><![CDATA[<strong class="release-note-product-version-title">113</strong>
<h3>Security</h3>
<p>Fixed CVE-2024-6387 in net-misc/openssh.</p>
<strong class="release-note-product-version-title">109</strong>
<h3>Security</h3>
<p>Fixed CVE-2024-6387 in net-misc/openssh.</p>
<strong class="release-note-product-version-title">105</strong>
<h3>Security</h3>
<p>Fixed CVE-2024-6387 in net-misc/openssh.</p>
<strong class="release-note-product-version-title">101</strong>
<h3>Security</h3>
<p>Fixed CVE-2024-6387 in net-misc/openssh.</p>
]]>
    </content>
  </entry>

</feed>
