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Edge Release Roundup: April 2024 (#1770)
* Edge Release Roundup: April 2024 Signed-off-by: Flynn <[email protected]> * Typo Signed-off-by: Flynn <[email protected]> * Tweaks Signed-off-by: Flynn <[email protected]> * Address feedback from Alejandro Signed-off-by: Flynn <[email protected]> * Switch to "Linkerd is for everyone" footer, fix casing in headers, and add Helm notes. Signed-off-by: Flynn <[email protected]> --------- Signed-off-by: Flynn <[email protected]>
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linkerd.io/content/blog/2024/0425-edge-release-roundup.md
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| --- | ||
| author: 'flynn' | ||
| date: 2024-04-25T00:00:00Z | ||
| title: |- | ||
| Linkerd Edge Release Roundup: April 2024 | ||
| url: | ||
| /2024/04/25/linkerd-edge-release-roundup/ | ||
| thumbnail: '/uploads/2023/06/roundup-clocks-square.png' | ||
| featuredImage: '/uploads/2023/06/roundup-clocks-rect.png' | ||
| tags: [Linkerd, linkerd, edge, release, roundup] | ||
| featured: false | ||
| --- | ||
|
|
||
| {{< fig | ||
| alt="April 2024 Linkerd Edge Release Roundup" | ||
| src="/uploads/2023/06/roundup-clocks-rect.png" >}} | ||
|
|
||
| Welcome to the April 2024 Edge Release Roundup post, where we dive into the | ||
| most recent edge releases to help keep everyone up to date on the latest and | ||
| greatest! This month, we're covering the releases from `edge-24.4.5` back to | ||
| `edge-24.3.3` -- there's a lot here so we'll get right into it. | ||
|
|
||
| ## How to give feedback | ||
|
|
||
| Remember, edge releases are a snapshot of our current development work on | ||
| `main`; by definition, they always have the most recent features but they may | ||
| have incomplete features, features that end up getting rolled back later, or | ||
| (gasp!) even bugs. If you're running edge releases, it's _very_ important that | ||
| you send us feedback on how things are going for you! | ||
|
|
||
| We would be delighted to hear how these releases work out for you! You can | ||
| open [a GitHub issue](https://github.com/linkerd/linkerd2/issues/) or | ||
| [discussion](https://github.com/linkerd/linkerd2/discussions/), join us on | ||
| [Slack](https://slack.linkerd.io), or visit the [Buoyant Linkerd | ||
| Forum](https://linkerd.buoyant.io) -- all are great ways to reach us. | ||
|
|
||
| ## Community contributions | ||
|
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||
| We couldn't do what we do without the Linkerd community, and this batch of | ||
| releases is definitely no exception. Huge thanks to [Adarsh Jaiswal], [Akshay | ||
| Dongaonkar], [Cemal Y. Dalar], [Firas Medini], [Grigoriy Mikhalkin], | ||
| [hanghuge], [Heiko Voigt], [Ilia Lazebnik], [Hirotaka Tagawa], and | ||
| [occupyhabit] for their contributions! You'll find more information about all | ||
| of these contributions in the release-by-release details below. | ||
|
|
||
| [hanghuge]: https://github.com/hanghuge | ||
| [Grigoriy Mikhalkin]: https://github.com/GrigoriyMikhalkin | ||
| [occupyhabit]: https://github.com/occupyhabit | ||
| [Firas Medini]: https://github.com/mdnfiras | ||
| [Adarsh jaiswal]: https://github.com/Adarsh-jaiss | ||
| [Hirotaka Tagawa]: https://github.com/wafuwafu13 | ||
| [Cemal Y. Dalar]: https://github.com/cdalar | ||
| [Ilia Lazebnik]: https://github.com/DrFaust92 | ||
| [Akshay Dongaonkar]: https://github.com/doubletooth | ||
| [Heiko Voigt]: https://github.com/hvoigt | ||
|
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| ## Breaking changes and recommendations | ||
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| There are no breaking changes in these releases. However, we have two specific | ||
| recommendations: | ||
|
|
||
| - We recommend `edge-24.4.4` instead of `edge-24.4.3` due to a metrics-naming | ||
| regression in `edge-24.4.3`. | ||
| - We recommend `edge-24.3.4` instead of `edge-24.3.3` since `edge-24.3.4` | ||
| contains an important fix for Gateway API users. | ||
|
|
||
| ## The releases | ||
|
|
||
| Recent edge releases have been mostly focused on upcoming IPv6 support and | ||
| some significant bugfixes. Of course, each edge release has _many_ dependency | ||
| updates; we won't list them all here, but you can find them in the release | ||
| notes for each release. | ||
|
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||
| _(Last Roundup we did these in chronological order, but we're switching this | ||
| time to reverse chronological order, starting with the most recent.)_ | ||
|
|
||
| ### [`edge-24.4.5`](https://github.com/linkerd/linkerd2/releases/tag/edge-24.4.5) (April 25, 2024) | ||
|
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| This edge release fixes support for native sidecars in the Linkerd CNI plugin, | ||
| continues work on upcoming IPv6 support, and allows setting | ||
| `revisionHistoryLimit` when installing with Helm to specify how many | ||
| ReplicaSets to keep around for rollback purposes (thanks, [Ilia Lazebnik]!) | ||
|
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||
| It also allows setting certain HTTP/2 server parameters using environment | ||
| variables in the proxy container (see [proxy PR 2924] if you think you need | ||
| this!). | ||
|
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||
| [proxy PR 2924]: https://github.com/linkerd/linkerd2-proxy/pull/2924 | ||
|
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| ### [`edge-24.4.4`](https://github.com/linkerd/linkerd2/releases/tag/edge-24.4.4) (April 18, 2024) | ||
|
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| This edge release fixes a metrics naming regression introduced in the previous | ||
| release, restoring the `outbound_http_...` metrics to their correct names | ||
| instead of duplicating `http`. | ||
|
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||
| ### [`edge-24.4.3`](https://github.com/linkerd/linkerd2/releases/tag/edge-24.4.3) (April 18, 2024) | ||
|
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| _We recommend `edge-24.4.4` instead of this release due to a metrics-naming regression in `edge-24.4.3`._ | ||
|
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| This edge release fixes the second of two issues where where | ||
| `policy.linkerd.io` HTTPRoutes could be endlessly patched even when they | ||
| weren't changing ([issue 12310]). | ||
|
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||
| [issue 12310]: https://github.com/linkerd/linkerd2/issues/12310 | ||
|
|
||
| ### [`edge-24.4.2`](https://github.com/linkerd/linkerd2/releases/tag/edge-24.4.2) (April 11, 2024) | ||
|
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| This edge release fixes an issue where the service mirror controller would | ||
| panic if it encountered an error listing mirror services while fixing its list | ||
| of endpoints, and continues work on upcoming IPv6 support. It also allows | ||
| correctly setting policy controller resources via Helm, instead of just | ||
| defaulting them to the same as the destination controller (thanks, [Grigoriy | ||
| Mikhalkin]!), allows relabeling metrics to customize how high-cardinality | ||
| metrics get handled (thanks, [Heiko Voigt]!), and does a little cleanup of | ||
| documentation in the code (thanks, [hanghuge]!). Finally, it adds a new | ||
| `linkerd diagnostics profile` command which gives low-level visibility into | ||
| which ServiceProfile is attached to a given address. | ||
|
|
||
| ### [`edge-24.4.1`](https://github.com/linkerd/linkerd2/releases/tag/edge-24.4.1) (April 4, 2024) | ||
|
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| This edge release continues work on upcoming IPv6 support. | ||
|
|
||
| ### [`edge-24.3.5`](https://github.com/linkerd/linkerd2/releases/tag/edge-24.3.5) (March 28, 2024) | ||
|
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| This edge release adds metrics to the queue of HTTPRoute status updates and | ||
| makes the ExternalWorkload resource's status as a subresource, as it always | ||
| should have been. It also corrects the scope of the proxy-injector, | ||
| tap-injector, and jaeger-injector mutating webhook rules to Namespaced (thanks | ||
| [Firas Medini]!), and cleans up some documentation in the code (thanks | ||
| [occupyhabit]!). | ||
|
|
||
| ### [`edge-24.3.4`](https://github.com/linkerd/linkerd2/releases/tag/edge-24.3.4) (March 22, 2024) | ||
|
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||
| This edge release fixes the first of two issues where `policy.linkerd.io` | ||
| HTTPRoutes could be endlessly patched even when they weren't changing ([issue | ||
| 12104]), and another where the destination controller could generate large | ||
| numbers of unnecessary endpoint updates when a Server changed. It also adds | ||
| default values to generated docs for the `proxy-*-connect-timeout` annotations | ||
| (thanks [Akshay Dongaonkar]!), fixes excessive logging in the injector webhook | ||
| ([issue 12186], thanks [Adarsh Jaiswal]!), and cleans up an unneeded error | ||
| message from the destination controller (thanks [Hirotaka Tagawa]!). | ||
|
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||
| Finally, this edge release fixes an issue that could mistakenly turn off local | ||
| traffic policy when an endpoint is removed ([issue 12311]), adds a timeout to | ||
| HTTPRoute status patches, continues work on upcoming IPv6 support, and stops | ||
| unnecessarily checking about injecting the `kube-system` namespace when | ||
| running in HA mode. | ||
|
|
||
| [issue 12186]: https://github.com/linkerd/linkerd2/issues/12186 | ||
| [issue 12104]: https://github.com/linkerd/linkerd2/issues/12104 | ||
| [issue 12311]: https://github.com/linkerd/linkerd2/issues/12311 | ||
|
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||
| ### [`edge-24.3.3`](https://github.com/linkerd/linkerd2/releases/tag/edge-24.3.3) (March 14, 2024) | ||
|
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| _We recommend `edge-24.3.4` instead of this release since `edge-24.3.4` | ||
| contains an important fix._ | ||
|
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| This edge release allows configuring the pod disruption budget via Helm | ||
| ([issue 11321], thanks [Cemal Y. Dalar]!). | ||
|
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| [issue 11321]: https://github.com/linkerd/linkerd2/issues/11321 | ||
|
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| ## Installing the latest edge release | ||
|
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| Installing the latest edge release needs just a single command. | ||
|
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| ```bash | ||
| curl --proto '=https' --tlsv1.2 -sSfL https://run.linkerd.io/install-edge | sh | ||
| ``` | ||
|
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| You can also [install edge releases with Helm](https://linkerd.io/2.15/tasks/install-helm/). | ||
|
|
||
| ## Linkerd is for everyone | ||
|
|
||
| Linkerd is a graduated project of the [Cloud Native Computing | ||
| Foundation](https://cncf.io/). Linkerd is [committed to open | ||
| governance.](/2019/10/03/linkerds-commitment-to-open-governance/) If you have | ||
| feature requests, questions, or comments, we'd love to have you join our | ||
| rapidly-growing community! Linkerd is hosted on | ||
| [GitHub](https://github.com/linkerd/), and we have a thriving community on | ||
| [Slack](https://slack.linkerd.io/), [Twitter](https://twitter.com/linkerd), and | ||
| in [mailing lists](/community/get-involved/). Come and join the fun! | ||
|
|
||
| ---- | ||
|
|
||
| _Linkerd generally does new edge releases weekly; watch this space to keep | ||
| up-to-date. Feedback on this blog series is welcome! Just ping `@flynn` on the | ||
| [Linkerd Slack](https://slack.linkerd.io)._ |