SUSE Linux Micro 5.3 End of Life: October 30, 2026 (General Support)

By Scott Bissett  ·  Published: October 7, 2026  ·  Reference guide  ·  Dates read at SUSE's product lifecycle page on October 7, 2026.

SUSE Linux Micro 5.3 reaches end of general support on October 30, 2026. That is the date SUSE prints in the "General Ends" column of the SUSE Linux Micro 5.3 row on its product support lifecycle page, and it is the only end date SUSE prints for the release. The same row gives an "FCS Date" of October 25, 2022, the day 5.3 shipped. SUSE's table for this product has three columns, Service Pack Release, FCS Date and General Ends, and no LTSS or extended support column, so there is no later date to plan around. The next releases in the line run longer: 5.4 to April 30, 2027, 5.5 to October 31, 2027, and the 6.x releases into 2028 and 2029.

What end of general support means on SUSE's page

SUSE's lifecycle page lists SUSE Linux Micro as a table with three columns: "Service Pack Release", "FCS Date" and "General Ends". For 5.3 the two dates are October 25, 2022 and October 30, 2026. The page prints full days, not months, for every SUSE Linux Micro row, and our served dates match each one. Unlike the SUSE Linux Enterprise Server table on the same page, the SUSE Linux Micro table has no LTSS column, so the General Ends date is the last date SUSE prints for a release.

SUSE's product lifecycle support policies page describes Long Term Service Pack Support (LTSS) as an extension of the lifecycle of each SUSE Linux Enterprise Server service pack. It does not describe an LTSS offering for SUSE Linux Micro. On SUSE Linux Micro specifically, the policy page says the product is included as standard in SUSE Rancher Prime, SUSE Rancher Suite and SUSE Virtualization, and that customers with active subscriptions for those products are entitled to continuous updates for SUSE Linux Micro alongside the regular product updates. That sentence is about entitlement to the product's updates; it does not add a date after General Ends for a given release, and the lifecycle table does not print one. For 5.3, treat October 30, 2026 as the deadline.

SUSE Linux Micro 5.3 to 6.1: the dates in one table

Release and General Ends dates as SUSE prints them. The status column is ours, read against the publication date.

SUSE's page also lists SUSE Linux Micro 6.2, with an FCS Date of November 4, 2025 and General Ends on November 30, 2029, the longest runway in the line. The two releases before 5.3 have already ended: 5.2 on April 30, 2026 and 5.1 on October 31, 2025. A system still on either of those is past SUSE's last printed date already.

What to do before the date

SUSE documents one upgrade mechanism for this product, transactional updates, and it names the source releases each target accepts. The documented paths are narrower than the version numbers suggest, so the order matters.

1. Find every 5.3 system. SUSE's Upgrade Guide for 5.5 says to identify the current version from /etc/os-release and to bring the system to its most recent patch level before upgrading; upgrading is supported only from the most recent patch level.
2. Move to 5.5 first. SUSE's 6.x upgrade documents are explicit about their sources. The 6.0 upgrade document says the upgrade to 6.0 is possible only from the 5.5 version. The 6.1 document says the upgrade to 6.1 is possible only from the 5.5 or 6.0 versions. The 6.2 document says the upgrade to 6.2 is possible only from the 5.5, 6.0 or 6.1 versions. None of them names 5.3 or 5.4 as a source, so a 5.3 system reaches 6.x through 5.5. The procedure for the 5.x step is in SUSE's Upgrade Guide for SUSE Linux Enterprise Micro 5.5: on a registered system the upgrade is performed by calling transactional-update migration, which creates a new snapshot and refreshes the repositories; a reboot completes it.
3. Decide whether to stop at 5.5 or continue. 5.5 is in general support until October 31, 2027, a year past the 5.3 date. From 5.5, SUSE documents a direct upgrade to 6.0, 6.1 or 6.2; 6.1 runs to November 30, 2028 and 6.2 to November 30, 2029. The 6.x upgrade documents require NetworkManager as the network managing service and an internet connection throughout the upgrade, and they say to read the release notes for the target first.
4. Check the rest of the host in the same pass. The SUSE Linux Enterprise Server releases next to these systems have their own table on the same SUSE page, with an LTSS column; our SLES lifecycle page tracks them. Our EOL Checker and API answer the rest of the stack.

SUSE Linux Micro, SUSE Linux Enterprise Micro and SLE Micro

SUSE's lifecycle page uses one name for the whole line: every row, from 5.0 through 6.2, is printed as "SUSE Linux Micro", and the page does not use "SUSE Linux Enterprise Micro" or "SLE Micro" anywhere. SUSE's documentation for the 5.x releases still carries the older name: the 5.5 documentation set is titled "SUSE Linux Enterprise Micro Documentation" and its Upgrade Guide is for "SUSE Linux Enterprise Micro 5.5", while the 6.1 upgrade document is titled "Upgrading SUSE Linux Micro from Previous Releases" and lists as a requirement "A registered SLE Micro version 5.5 or 6.0". The three names refer to the same product line, and the 5.3 dates on this page are the ones SUSE prints under the "SUSE Linux Micro" heading. Our product page uses the same name, at /suse-linux-micro.

Frequently Asked Questions

Related

• SUSE Linux Micro 5.3 — the live status page with its EOL Risk Score
• SUSE Linux Micro — every release's dates
• SUSE Linux Enterprise Server — the SLES table on the same SUSE page, with LTSS
• How we verify our dates — the rules every number on this site is held to