For administrators who manage ChromeOS devices for a business or school.
For ChromeOS version 96 and later.
As an admin, you can use the Long-term support candidate (LTC) and Long-term support (LTS) channels to help increase stability. The long-term support channels have a slower release cadence than the Stable channel, which updates on a 4-week cycle. Devices continue to receive targeted security fixes, but they only get feature updates every 6 months.
We recommend that devices be on the latest Chrome version on the Stable channel, but sometimes you might need to keep devices that are in different organizational units on a long-term support channel. For example, use a long-term support channel for unattended devices, standardized assessments in schools, or healthcare deployments.
Note: Google provides automatic updates to a certain date. For details, see Auto Update policy.
For the full list of features included on the long-term support channel, see Long-term Support (LTS) release notes.
Things to consider when switching channelsWe recommend that first you switch devices to the LTC channel. Then, you can switch them to the LTS channel at any time.
Stable to LTCYou can use Auto-update settings in the Admin console to switch channels from Stable to LTC. Devices on the Stable channel can switch to LTC every 6 months, when the version number on the Stable channel matches the version number on the LTC channel. Alternatively, devices that are pinned to prior versions of ChromeOS can switch to LTC right away.
For example, devices with Chrome version 126 switch channels from Stable to LTC almost immediately. However, devices that have already updated to Chrome version 127 only switch channels when version 132 becomes available on the Stable and LTC channels. Because devices no longer receive automatic updates on the Stable channel, they are essentially pinned to Chrome version 127 until Chrome version 132 is available on the LTC channel. As a result, devices miss out on security updates.
Devices automatically update to the next LTC version every 6 months. So, the ChromeOS feature set is stabilized for 6 months, with security fixes every 2 weeks.
LTC to LTSYou can use the Admin console to switch channels from LTC to LTS. LTS becomes available 3 months after LTC.
Devices that are left on the LTC channel when LTS becomes available receive security updates every 2 weeks. Approximately 3 months later, when the LTC for the next LTS release begins, the devices update automatically to this new LTC.
Devices that are moved to the LTS channel receive security updates, every 2 weeks for 6 months, until the next LTS release becomes available.
Stable to LTSYou can use the Admin console to switch channels from Stable to LTS. However, your devices must be pinned to or running a ChromeOS version that is earlier or equal to the LTS version to update to it.
Devices that are moved to the LTS channel receive security updates, every 2 weeks for 6 months, until the next LTS release becomes available.
Switch back to StableYou can use the Admin console to switch channels from long-term support back to the Stable channel at any time. Moving devices from the LTC or LTS channel to the Stable channel of ChromeOS takes effect the next time users reboot their devices.
Security fixes in LTSThe LTS channel prioritizes feature stability; only targeted security fixes are included in the monthly LTS security updates. There might be cases where some critical security fixes might not be possible in LTS due to divergence in the code base. All security fixes will be included as part of the next major version update, for example, from LTS 126 to LTS 132 LTS, alongside the feature updates. There could, however, be a 9 month delay in a security fix deploying to LTS. For more information on security updates on the LTS channel, see Chrome Releases: LTS channel updates.
Download sizeWhen you switch to LTS, you might want to consider the size of the ChromeOS updates.
For more details, see ChromeOS LTS release notes.
For more recommendations on download size, see Manage updates on ChromeOS devices.
Switch devices to the LTC channelwith an
administratoraccount to the Google Admin console.
If you aren’t using an administrator account, you can’t access the Admin console.
After you switch the release channel, you can check users’ devices to make sure the switch was applied correctly.
When you put ChromeOS devices on the LTC or LTS channel, users only see that their device is on the long-term support channel.
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