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 istio-system
 istio.io
 istio.io.
+IstioBirthday
 IstioCon
 istioctl
 istiod
@@ -420,6 +421,7 @@ Istiod
 Istiofied
 IstioMesh
 IstioOperator
+IstioTurns4
 iter8
 jason
 Jeet
@@ -484,6 +486,8 @@ macOS
 Mandar
 Manolache
 Marshalers
+Meetup
+meetup
 memcached
 memcached-2's
 MetalLB
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+---
+title: "Happy Birthday, Istio!"
+description: "Celebrating Istio’s 4th birthday."
+publishdate: 2021-05-24
+attribution: "Maria Cruz (Google), Aizhamal Nurmamat kyzy (Google)"
+keywords: [community,birthday,celebration]
+---
+
+## Celebrating Istio’s 4th birthday
+
+Four years ago today, the Istio project was born to the open source world. To celebrate this anniversary,
+we are hosting a week-long birthday celebration that focuses on contributions to the Istio project that
+stem from using Istio in production. Read on to learn how to participate in this celebration and enter a
+chance to win some Istio swag.
+
+{{< image link="./1.png" caption="Istio's 4th Birthday!" >}}
+
+### A year of important developments for Istio
+
+Over the last 12 months, the Istio project has been very focused on the [day-0
+& day-1](https://dzone.com/articles/defining-day-2-operations) experience for
+users by actively listening to our users through UX surveys and GitHub issues.
+
+- We [simplified the control plane architecture](/blog/2020/istiod/) and
+   made Istio easier to install, configure and upgrade.
+- We provided clarity and process to our feature status and promotion of features and APIs.
+- We simplified the debugging experience with various istioctl commands.
+- We expanded the mesh to services running in [VMs](/news/releases/1.9.x/announcing-1.9/#virtual-machine-integration-beta)
+    and [multiple clusters](/docs/setup/install/multicluster/).
+- We made [`StatefulSet` easier](/blog/2021/statefulsets-made-easier/) to use in Istio 1.10 with zero-configuration.
+- We made various performance improvements to the Istio control plane and data plane via [discovery selectors](/blog/2021/discovery-selectors/), sidecar resources etc.
+- We [introduced WebAssembly](/blog/2021/wasm-progress/) as our extensibility platform which has helped users tailor Istio to their needs.
+- We beefed up our CVE management and release processes to meet enterprise needs.
+
+[Read more](/blog/2020/tradewinds-2020/) about improvements to
+Istio in 2020 that made this technology easier to use.
+
+In February 2021, we celebrated the first IstioCon! This community-led event was an opportunity
+for users and developers to share [many examples](https://www.youtube.com/playlist?list=PL7wB27eZmdffS-g_xh7X-b0echc_XZMKV)
+of how they use Istio in production and lessons
+learned from it. IstioCon was a great opportunity to feature more than 25 end-user companies,
+like Salesforce, T-Mobile, and Airbnb, among others, to feature maintainers from across the Istio
+ecosystem, and to share the [Istio project roadmap](https://www.youtube.com/watch?v=WmjTeN-jtdY).
+
+This inaugural community conference was a major success, with more than 4,000 registrants from 80
+countries participating. The program was conducted during US and Asia time zones,
+and in English and Chinese languages to accommodate big user communities in various continents.
+Learn more about the [impact](https://events.istio.io/istiocon-2021/slides/IstioCon2021-Report.pdf)
+of IstioCon and find the [presentations](https://events.istio.io/istiocon-2021/sessions/) on
+the conference website.
+
+### How to participate in Istio’s 4th Birthday celebration
+
+Contributions are key to the long life of an open source project. This is why, on its 4th birthday,
+we want to hear about your contributions to the Istio project. To participate in this campaign,
+share on Twitter a contribution you made to the project and why it matters, using the hashtag #IstioTurns4
+and #IstioBirthday. You can submit posts from Monday, May 24th at 9 am Pacific, until
+Friday, May 28th, at 12 pm Pacific, to enter a chance to win some Istio swag.
+
+The other way of participating in this campaign is by joining the Istio community meetup, which
+will take place on Thursday, May 27th at 10 am Pacific. At this event, we will have Pratima Nambiar
+discuss contributions that have stemmed from using Istio in production at Salesforce. Join the event,
+and ask a question or make a comment on the demo, and enter a chance to win some Istio swag.
+
+{{< image link="./2.png" caption="Istio Community Meetup!" >}}