kubernetes · liggitt · Mar 4, 2026 · Mar 4, 2026
diff --git a/OWNERS_ALIASES b/OWNERS_ALIASES
@@ -159,10 +159,6 @@ aliases:
     - jberkus
     - jmhbnz
     - justinsb
-  wg-lts-leads:
-    - jeremyrickard
-    - liggitt
-    - micahhausler
   wg-node-lifecycle-leads:
     - atiratree
     - intUnderflow

diff --git a/liaisons.md b/liaisons.md
@@ -61,7 +61,6 @@ members will assume one of the departing members groups.
 | [WG Data Protection](wg-data-protection/README.md) | Rita Zhang (**[@ritazh](https://github.com/ritazh)**) |
 | [WG Device Management](wg-device-management/README.md) | Benjamin Elder (**[@BenTheElder](https://github.com/BenTheElder)**) |
 | [WG etcd Operator](wg-etcd-operator/README.md) | Maciej Szulik (**[@soltysh](https://github.com/soltysh)**) |
-| [WG LTS](wg-lts/README.md) | Sascha Grunert (**[@saschagrunert](https://github.com/saschagrunert)**) |
 | [WG Node Lifecycle](wg-node-lifecycle/README.md) | Sascha Grunert (**[@saschagrunert](https://github.com/saschagrunert)**) |
 | [Committee Code of Conduct](committee-code-of-conduct/README.md) | Benjamin Elder (**[@BenTheElder](https://github.com/BenTheElder)**) |
 | [Committee Security Response](committee-security-response/README.md) | Kat Cosgrove (**[@katcosgrove](https://github.com/katcosgrove)**) |

diff --git a/sig-architecture/README.md b/sig-architecture/README.md
@@ -60,7 +60,6 @@ The Chairs of the SIG run operations and processes governing the SIG.
 The following [working groups][working-group-definition] are sponsored by sig-architecture:
 * [WG AI Integration](/wg-ai-integration)
 * [WG Device Management](/wg-device-management)
-* [WG LTS](/wg-lts)
 
 
 ## Subprojects

diff --git a/sig-cluster-lifecycle/README.md b/sig-cluster-lifecycle/README.md
@@ -51,7 +51,6 @@ subprojects, and resolve cross-subproject technical issues and decisions.
 ## Working Groups
 
 The following [working groups][working-group-definition] are sponsored by sig-cluster-lifecycle:
-* [WG LTS](/wg-lts)
 * [WG Node Lifecycle](/wg-node-lifecycle)
 * [WG etcd Operator](/wg-etcd-operator)
 

diff --git a/sig-k8s-infra/README.md b/sig-k8s-infra/README.md
@@ -53,12 +53,6 @@ subprojects, and resolve cross-subproject technical issues and decisions.
     - [@kubernetes/sig-k8s-infra-leads](https://github.com/orgs/kubernetes/teams/sig-k8s-infra-leads) - sig-k8s-infra chairs and tech leads
 - Steering Committee Liaison: Rita Zhang (**[@ritazh](https://github.com/ritazh)**)
 
-## Working Groups
-
-The following [working groups][working-group-definition] are sponsored by sig-k8s-infra:
-* [WG LTS](/wg-lts)
-
-
 ## Subprojects
 
 The following [subprojects][subproject-definition] are owned by sig-k8s-infra:

diff --git a/sig-list.md b/sig-list.md
@@ -67,7 +67,6 @@ When the need arises, a [new SIG can be created](sig-wg-lifecycle.md)
 |[Data Protection](wg-data-protection/README.md)|[data-protection](https://github.com/kubernetes/kubernetes/labels/wg%2Fdata-protection)|* Apps<br>* Storage<br>|* [Xing Yang](https://github.com/xing-yang), VMware<br>* [Xiangqian Yu](https://github.com/yuxiangqian), Google<br>|* [Slack](https://kubernetes.slack.com/messages/wg-data-protection)<br>* [Mailing List](https://groups.google.com/a/kubernetes.io/g/wg-data-protection)|* Regular WG Meeting: [Wednesdays at 9:00 PT (Pacific Time) (bi-weekly)](https://zoom.us/j/6933410772)<br>
 |[Device Management](wg-device-management/README.md)|[device-management](https://github.com/kubernetes/kubernetes/labels/wg%2Fdevice-management)|* Architecture<br>* Autoscaling<br>* Network<br>* Node<br>* Scheduling<br>|* [John Belamaric](https://github.com/johnbelamaric), Google<br>* [Kevin Klues](https://github.com/klueska), NVIDIA<br>* [Patrick Ohly](https://github.com/pohly), Intel<br>|* [Slack](https://kubernetes.slack.com/messages/wg-device-management)<br>* [Mailing List](https://groups.google.com/a/kubernetes.io/g/wg-device-management)|* Regular WG Meeting (Asia/Europe): [Wednesdays at 9:00 CET (Central European Time) (biweekly)](https://zoom.us/j/97238699195?pwd=cy9IMm1ZeERtRlJ3VS8yWUxHUWIrQT09)<br>* Regular WG Meeting (Europe/America): [Tuesdays at 8:30 PT (Pacific Time) (biweekly)](https://zoom.us/j/97238699195?pwd=cy9IMm1ZeERtRlJ3VS8yWUxHUWIrQT09)<br>
 |[etcd Operator](wg-etcd-operator/README.md)|[etcd-operator](https://github.com/kubernetes/kubernetes/labels/wg%2Fetcd-operator)|* Cluster Lifecycle<br>* etcd<br>|* [Benjamin Wang](https://github.com/ahrtr), VMware<br>* [Ciprian Hacman](https://github.com/hakman), Microsoft<br>* [Josh Berkus](https://github.com/jberkus), Red Hat<br>* [James Blair](https://github.com/jmhbnz), Red Hat<br>* [Justin Santa Barbara](https://github.com/justinsb), Google<br>|* [Slack](https://kubernetes.slack.com/messages/wg-etcd-operator)<br>* [Mailing List](https://groups.google.com/a/kubernetes.io/g/wg-etcd-operator)|* Regular WG Meeting: [Tuesdays at 11:00 PT (Pacific Time) (bi-weekly)](https://zoom.us/my/cncfetcdproject)<br>
-|[LTS](wg-lts/README.md)|[lts](https://github.com/kubernetes/kubernetes/labels/wg%2Flts)|* Architecture<br>* Cluster Lifecycle<br>* K8s Infra<br>* Release<br>* Security<br>* Testing<br>|* [Jeremy Rickard](https://github.com/jeremyrickard), Microsoft<br>* [Jordan Liggitt](https://github.com/liggitt), Google<br>* [Micah Hausler](https://github.com/micahhausler), Amazon<br>|* [Slack](https://kubernetes.slack.com/messages/wg-lts)<br>* [Mailing List](https://groups.google.com/a/kubernetes.io/g/wg-lts)|* Regular WG Meeting: [Tuesdays at 07:00 PT (Pacific Time) (biweekly)](https://zoom.us/j/92480197536?pwd=dmtSMGJRQmNYYTIyZkFlQ25JRngrdz09)<br>
 |[Node Lifecycle](wg-node-lifecycle/README.md)|[node-lifecycle](https://github.com/kubernetes/kubernetes/labels/wg%2Fnode-lifecycle)|* Apps<br>* Autoscaling<br>* CLI<br>* Cloud Provider<br>* Cluster Lifecycle<br>* Network<br>* Node<br>* Scheduling<br>* Storage<br>|* [Filip Křepinský](https://github.com/atiratree), Red Hat<br>* [Lucy Sweet](https://github.com/intUnderflow), Uber<br>* [Ryan Hallisey](https://github.com/rthallisey), NVIDIA<br>|* [Slack](https://kubernetes.slack.com/messages/wg-node-lifecycle)<br>* [Mailing List](https://groups.google.com/a/kubernetes.io/g/wg-node-lifecycle)|* WG Node Lifecycle Weekly Meeting: [Mondays at 8:00 PT (Pacific Time) (weekly)](https://zoom.us/j/97533929033)<br>
 
 ### Committees

diff --git a/sig-release/README.md b/sig-release/README.md
@@ -54,12 +54,6 @@ subprojects, and resolve cross-subproject technical issues and decisions.
     - [@kubernetes/sig-release-leads](https://github.com/orgs/kubernetes/teams/sig-release-leads) - Chairs, Technical Leads, and Program Managers for SIG Release
 - Steering Committee Liaison: Rita Zhang (**[@ritazh](https://github.com/ritazh)**)
 
-## Working Groups
-
-The following [working groups][working-group-definition] are sponsored by sig-release:
-* [WG LTS](/wg-lts)
-
-
 ## Subprojects
 
 The following [subprojects][subproject-definition] are owned by sig-release:

diff --git a/sig-security/README.md b/sig-security/README.md
@@ -36,12 +36,6 @@ The Chairs of the SIG run operations and processes governing the SIG.
     - [@kubernetes/sig-security-pr-reviews](https://github.com/orgs/kubernetes/teams/sig-security-pr-reviews) - SIG Security PR review notifications
 - Steering Committee Liaison: Kat Cosgrove (**[@katcosgrove](https://github.com/katcosgrove)**)
 
-## Working Groups
-
-The following [working groups][working-group-definition] are sponsored by sig-security:
-* [WG LTS](/wg-lts)
-
-
 ## Subprojects
 
 The following [subprojects][subproject-definition] are owned by sig-security:

diff --git a/sig-testing/README.md b/sig-testing/README.md
@@ -54,12 +54,6 @@ subprojects, and resolve cross-subproject technical issues and decisions.
     - [@kubernetes/sig-testing-pr-reviews](https://github.com/orgs/kubernetes/teams/sig-testing-pr-reviews) - PR Reviews
 - Steering Committee Liaison: Paco Xu 徐俊杰 (**[@pacoxu](https://github.com/pacoxu)**)
 
-## Working Groups
-
-The following [working groups][working-group-definition] are sponsored by sig-testing:
-* [WG LTS](/wg-lts)
-
-
 ## Subprojects
 
 The following [subprojects][subproject-definition] are owned by sig-testing:

diff --git a/sigs.yaml b/sigs.yaml
@@ -3842,48 +3842,6 @@ workinggroups:
       liaison:
         github: soltysh
         name: Maciej Szulik
-  - dir: wg-lts
-    name: LTS
-    mission_statement: >
-      The working group is organized with the goal of developing a better understanding of what "Long Term Support" might mean for Kubernetes, those who support Kubernetes, and end users. The working group will investigate changes the Kubernetes project could make related to the better understanding of what long term support might mean. The working group will also determine the feasibility, benefits, **cost**, and prerequisites of any such changes.
-
-    stakeholder_sigs:
-      - Architecture
-      - Cluster Lifecycle
-      - K8s Infra
-      - Release
-      - Security
-      - Testing
-    label: lts
-    leadership:
-      chairs:
-        - github: jeremyrickard
-          name: Jeremy Rickard
-          company: Microsoft
-          email: jeremy.r.rickard@gmail.com
-        - github: liggitt
-          name: Jordan Liggitt
-          company: Google
-          email: liggitt@google.com
-        - github: micahhausler
-          name: Micah Hausler
-          company: Amazon
-          email: mhausler@amazon.com
-    meetings:
-      - description: Regular WG Meeting
-        day: Tuesday
-        time: "07:00"
-        tz: PT (Pacific Time)
-        frequency: biweekly
-        url: https://zoom.us/j/92480197536?pwd=dmtSMGJRQmNYYTIyZkFlQ25JRngrdz09
-        archive_url: https://docs.google.com/document/d/1RI_EL35MwQxrHqlWvtQNINhOSWergL3hmOSgC5PeZss/edit
-        recordings_url: https://www.youtube.com/playlist?list=PL69nYSiGNLP13_zDqYfUjfLZ2Lu9a3pv-
-    contact:
-      slack: wg-lts
-      mailing_list: https://groups.google.com/a/kubernetes.io/g/wg-lts
-      liaison:
-        github: saschagrunert
-        name: Sascha Grunert
   - dir: wg-node-lifecycle
     name: Node Lifecycle
     mission_statement: >

diff --git a/wg-lts/annual-report-2025.md b/wg-lts/annual-report-2025.md
@@ -2,32 +2,34 @@
 
 ## Current initiatives and Project Health
 
-
 1. What work did the WG do this year that should be highlighted?
 
-<!--
-   Some example items that might be worth highlighting:
-   - artifacts
-   - reports
-   - white papers
-   - work not tracked in KEPs
--->
+   * Kubernetes regressions / backports with sig-release
+     * Tracked the effect of strengthening Kubernetes backport requirements [at the end of 2024](https://github.com/kubernetes/community/issues/7634)
+     * Tracked data on [Kubernetes regressions](https://docs.google.com/spreadsheets/d/1LbGKBC4D2sLkcmzY9qDx9u-1D9TKC_ZrM8iA1eHW4Hs/edit)
+     * The minor versions in 2024/2025 (1.31+) are the first ones to have [zero patch release regressions](https://docs.google.com/spreadsheets/d/1LbGKBC4D2sLkcmzY9qDx9u-1D9TKC_ZrM8iA1eHW4Hs/edit?gid=751747416#gid=751747416) since tracking began in 1.19
+   * Shepherded [compatibility version (KEP-4330)](https://github.com/kubernetes/enhancements/tree/master/keps/sig-architecture/4330-compatibility-versions) to stable in 1.34 with sig-api-machinery
+     * Gives 3 additional releases of runtime behavior compatibility with previous minor versions
+   * Explored possible proposals for publishing patches for out-of-support minor versions
+     * https://docs.google.com/document/d/1MzSNg2hFEFRnkRyCbEKpt6NFJzBD7FXpfRHY8bNjA_g/edit?tab=t.0
+     * https://docs.google.com/document/d/1qYoRE-gtjoe-kiBSZOdokEWmMrtwtQHvgLMLnHTwdPg/edit?tab=t.0
+   * Kubecon session [Shaping LTS Together: What We’ve Learned the Hard Way](https://kccncna2025.sched.com/event/27FWW/shaping-lts-together-what-weve-learned-the-hard-way-nikhita-raghunath-nikhila-kamath-broadcom-micah-hausler-aws-jeremy-rickard-microsoft-aniket-ponkshe-canonical)
+   * [Spun down the working group](https://groups.google.com/a/kubernetes.io/g/wg-lts/c/e4XyeS19BsU)
 
 2. Are there any areas and/or subprojects that your group needs help with (e.g. fewer than 2 active OWNERS)?
 
+   * No
+
 ## Operational
 
 Operational tasks in [wg-governance.md]:
 
-- [ ] [README.md] reviewed for accuracy and updated if needed
-- [ ] WG leaders in [sigs.yaml] are accurate and active, and updated if needed
-- [ ] Meeting notes and recordings for 2025 are linked from [README.md] and updated/uploaded if needed
-- [ ] Updates provided to sponsoring SIGs in 2025
-      - [$sig-name](https://git.k8s.io/community/$sig-id/)
-        - links to email, meeting notes, slides, or recordings, etc
-      - [$sig-name](https://git.k8s.io/community/$sig-id/)
-        - links to email, meeting notes, slides, or recordings, etc
-      -
+- [x] [README.md] reviewed for accuracy and updated if needed
+- [x] WG leaders in [sigs.yaml] are accurate and active, and updated if needed
+- [x] Meeting notes and recordings for 2025 are linked from [README.md] and updated/uploaded if needed
+- [x] Updates provided to sponsoring SIGs in 2025: 
+     - Patches proposal broadcast to sig-security, sig-architecture, sig-release
+        - https://groups.google.com/a/kubernetes.io/g/wg-lts/c/v6uC6kDZA7w
 
 [wg-governance.md]: https://git.k8s.io/community/committee-steering/governance/wg-governance.md
 [README.md]: https://git.k8s.io/community/wg-lts/README.md