scalingo-20 EOL Notice

src/_posts/addons/scalingo-openvpn/2000-01-01-start.md

@@ -140,7 +140,6 @@ everything you might need to configure the OpenVPN client and server.
 
 It depends on the stack:
 
-* `scalingo-20`: [2.4.x](https://packages.ubuntu.com/focal/amd64/openvpn)
 * `scalingo-22`: [2.5.x](https://packages.ubuntu.com/jammy/amd64/openvpn)
 
 _[More information about stacks]({% post_url platform/internals/stacks/2000-01-01-stacks %})_

src/_posts/languages/go/2000-01-01-start.md

@@ -14,17 +14,21 @@ The Go programming language is supported.
 
 The following versions of Go are available:
 
-| Go Version   | `scalingo-20`   | `scalingo-22`   |
-| -----------: | --------------: | --------------: |
-| **`go1.24`** | up to `1.24.2`  | up to `1.24.2`  |
-| **`go1.23`** | up to `1.23.8`  | up to `1.23.8`  |
-| **`go1.22`** | up to `1.22.12` | up to `1.22.12` |
-| **`go1.21`** | up to `1.21.13` | up to `1.21.13` |
-| **`go1.20`** | up to `1.20.14` | up to `1.20.14` |
+| Go Version 	| scalingo-20 (EOL) 	| scalingo-22     	|
+|------------	|-------------------	|-----------------	|
+| **`1.24`** 	| up to `1.24.2`    	| up to `1.24.2`  	|
+| **`1.23`** 	| up to `1.23.8`    	| up to `1.23.8`  	|
+| **`1.22`** 	| up to `1.22.12`   	| up to `1.22.12` 	|
+| **`1.21`** 	| up to `1.21.13`   	| up to `1.21.13` 	|
+| **`1.20`** 	| up to `1.20.14`   	| up to `1.20.14` 	|
 
 The default Go version on both `scalingo-20` and `scalingo-22` is the latest
 `go1.20` version.
 
+{% note %}
+  The [scalingo-20]({% post_url platform/internals/stacks/2000-01-01-scalingo-20-stack %}) stack is now deprecated. Applications must be migrated to [scalingo-22]({% post_url platform/internals/stacks/2000-01-01-scalingo-22-stack %}) as soon as possible.
+{% endnote %}
+
 ### Dependencies Installation
 
 Scalingo installs the dependencies Go application using [Go Modules]({% post_url languages/go/2000-01-01-gomod %}).

src/_posts/languages/java/2000-01-01-start.md

@@ -14,16 +14,20 @@ Java is officially supported on Scalingo
 
 The following Java versions are available:
 
-| Java SE Version | scalingo-20       | scalingo-22       |
-| --------------: | ----------------: | ----------------: |
-| **`23`**        | up to `23.0.2`    | up to `23.0.2`    |
-| **`21 (LTS)`**  | up to `21.0.6`    | up to `21.0.6`    |
-| **`17 (LTS)`**  | up to `17.0.14`   | up to `17.0.14`   |
-| **`11 (LTS)`**  | up to `11.0.26`   | up to `11.0.25`   |
-| **`8 (LTS)`**   | up to `1.8.0_442` | up to `1.8.0_442` |
+| Java SE Version 	| scalingo-20 (EOL) 	| scalingo-22       	|
+|-----------------	|-------------------	|-------------------	|
+| **`23`**        	| up to `23.0.2`    	| up to `23.0.2`    	|
+| **`21 (LTS)`**  	| up to `21.0.6`    	| up to `21.0.6`    	|
+| **`17 (LTS)`**  	| up to `17.0.14`   	| up to `17.0.14`   	|
+| **`11 (LTS)`**  	| up to `11.0.26`   	| up to `11.0.25`   	|
+| **`8 (LTS)`**   	| up to `1.8.0_442` 	| up to `1.8.0_442` 	|
 
 For Java SE 8, the JDK version is numbered `1.8`.
 
+{% note %}
+  The [scalingo-20]({% post_url platform/internals/stacks/2000-01-01-scalingo-20-stack %}) stack is now deprecated. Applications must be migrated to [scalingo-22]({% post_url platform/internals/stacks/2000-01-01-scalingo-22-stack %}) as soon as possible.
+{% endnote %}
+
 ### Selecting a Version
 
 The default Java version on both `scalingo-20` and `scalingo-22` is the latest

src/_posts/languages/php/2000-01-01-start.md

@@ -37,14 +37,18 @@ parameters like `upload_max_filesize` or `post_max_size`.
 
 The following PHP versions are available:
 
-| PHP Version | scalingo-20    | scalingo-22    |
-| ----------: | -------------: | -------------: |
-|   **`8.4`** | up to `8.4.6`  | up to `8.4.6`  |
-|   **`8.3`** | up to `8.3.20` | up to `8.3.20` |
-|   **`8.2`** | up to `8.2.28` | up to `8.2.28` |
-|   **`8.1`** | up to `8.1.32` | up to `8.1.32` |
-|   **`8.0`** | up to `8.0.30` |    unsupported |
-|   **`7.4`** | up to `7.4.32` |    unsupported |
+| PHP Version 	| scalingo-20 (EOL) 	| scalingo-22    	|
+|-------------	|-------------------	|----------------	|
+| **`8.4`**   	| up to `8.4.6`     	| up to `8.4.6`  	|
+| **`8.3`**   	| up to `8.3.20`    	| up to `8.3.20` 	|
+| **`8.2`**   	| up to `8.2.28`    	| up to `8.2.28` 	|
+| **`8.1`**   	| up to `8.1.32`    	| up to `8.1.32` 	|
+| **`8.0`**   	| up to `8.0.30`    	| unsupported    	|
+| **`7.4`**   	| up to `7.4.32`    	| unsupported    	|
+
+{% note %}
+  The [scalingo-20]({% post_url platform/internals/stacks/2000-01-01-scalingo-20-stack %}) stack is now deprecated. Applications must be migrated to [scalingo-22]({% post_url platform/internals/stacks/2000-01-01-scalingo-22-stack %}) as soon as possible.
+{% endnote %}
 
 {% note %}
 Even though we still support them, we strongly advise against using deprecated

src/_posts/languages/python/2000-01-01-start.md

@@ -20,12 +20,16 @@ present at the root of your project, defining the dependencies of your app.
 
 The following versions of Python are available:
 
-| Python Version | scalingo-20     | scalingo-22     |
-| -------------: | --------------: | --------------: |
-| **`3.13`**     | up to `3.13.3`  | up to `3.13.3`  |
-| **`3.12`**     | up to `3.12.10` | up to `3.12.10` |
-| **`3.11`**     | up to `3.11.12` | up to `3.11.12` |
-| **`3.10`**     | up to `3.10.17` | up to `3.10.17` |
+| Python Version 	| scalingo-20 (EOL) 	| scalingo-22     	|
+|----------------	|-------------------	|-----------------	|
+| **`3.13`**     	| up to `3.13.3`    	| up to `3.13.3`  	|
+| **`3.12`**     	| up to `3.12.10`   	| up to `3.12.10` 	|
+| **`3.11`**     	| up to `3.11.12`   	| up to `3.11.12` 	|
+| **`3.10`**     	| up to `3.10.17`   	| up to `3.10.17` 	|
+
+{% note %}
+  The [scalingo-20]({% post_url platform/internals/stacks/2000-01-01-scalingo-20-stack %}) stack is now deprecated. Applications must be migrated to [scalingo-22]({% post_url platform/internals/stacks/2000-01-01-scalingo-22-stack %}) as soon as possible.
+{% endnote %}
 
 ### Selecting a Version
 

src/_posts/languages/ruby/2000-01-01-start.md

@@ -81,21 +81,25 @@ $ git push scalingo master
 
 ### Availability
 
-| MRI        | `scalingo-20` | `scalingo-22` |
-| ---------: | ------------: | ------------: |
-| **`3.4`**  | up to `3.4.3` | up to `3.4.3` |
-| **`3.3`**  | up to `3.3.8` | up to `3.3.8` |
-| **`3.2`**  | up to `3.2.8` | up to `3.2.8` |
-| **`3.1`**  | up to `3.1.7` | up to `3.1.7` |
+| Ruby Version 	| scalingo-20 (EOL) 	| scalingo-22   	|
+|--------------	|-------------------	|---------------	|
+| **`3.4`**    	| up to `3.4.3`     	| up to `3.4.3` 	|
+| **`3.3`**    	| up to `3.3.8`     	| up to `3.3.8` 	|
+| **`3.2`**    	| up to `3.2.8`     	| up to `3.2.8` 	|
+| **`3.1`**    	| up to `3.1.7`     	| up to `3.1.7` 	|
+
+{% note %}
+  The [scalingo-20]({% post_url platform/internals/stacks/2000-01-01-scalingo-20-stack %}) stack is now deprecated. Applications must be migrated to [scalingo-22]({% post_url platform/internals/stacks/2000-01-01-scalingo-22-stack %}) as soon as possible.
+{% endnote %}
 
 ### Select a Version
 
-The default Ruby version on both `scalingo-20` and `scalingo-22` is the latest
+The default Ruby version on both `scalingo-20` (deprecated) and `scalingo-22` is the latest
 **`3.3`** version. If you need to install another version, specify it in your
-`Gemfile`, using the `ruby` keyword. For example, to install Ruby `3.4.2`:
+`Gemfile`, using the `ruby` keyword. For example, to install Ruby `3.4.3`:
 
 ```ruby
-ruby "3.4.2"
+ruby "3.4.3"
 ```
 
 

src/_posts/platform/getting-started/2000-01-01-getting-started-with-modsecurity.md

@@ -24,7 +24,7 @@ pattern and actions).
 For this first tutorial, we use Nginx and the CRS provided by OWASP to deploy a
 WAF on Scalingo within minutes.
 
-As a note, ModSecurity is only deployable on `scalingo-20` and above.
+As a note, ModSecurity is only deployable on [scalingo-22]({% post_url platform/internals/stacks/2000-01-01-scalingo-22-stack %}) and above.
 
 ## Deploying Nginx
 

src/_posts/platform/internals/stacks/2000-01-01-scalingo-20-stack.md

@@ -1,12 +1,12 @@
 ---
 title: Scalingo-20 Stack
 nav: Scalingo-20
-modified_at: 2025-01-29 00:00:00
+modified_at: 2025-05-01 00:00:00
 index: 3
 ---
 
 {% warning %}
-The scalingo-20 stack, based on the Ubuntu 20.04 LTS operating system, will be deprecated on April 30th, 2025.
+The scalingo-20 stack, based on the Ubuntu 20.04 LTS operating system, is now deprecated.
 Migrate to a [newer stack]({% post_url platform/internals/stacks/2000-01-01-stacks %}) as soon as possible. See the [Deprecation Plan]({% post_url platform/internals/stacks/2000-01-01-scalingo-20-stack %}#deprecation-plan) for details.
 {% endwarning %}
 
@@ -18,18 +18,14 @@ scalingo-20 is based on Ubuntu 20.04. It will be supported through April 2025.
 
 ## Deprecation Plan
 
-### February 2025: End-Of-Support Notification
-
-All owners and collaborators of applications using scalingo-20 are informed of the end of support for this stack.
-
 ### May 2025: Usage Exemption For Legacy Apps
 
-Ubuntu 20.04 LTS and scalingo-20 officially reach end-of-life and no longer receive updates.
+Ubuntu 20.04 LTS and scalingo-20 officially reach end-of-life and will no longer receive updates.
 From this date, it is no longer possible to select this stack to create new applications.
-Existing applications using the scalingo-20 stack will continue to function normally, with the ability to create new deployments or Review Apps on this version.
+Existing applications using the scalingo-20 stack will continue to work normally, with the ability to create new deployments or Review Apps on this version.
 
 ### January 2026: End of Usage Exemption
-From this date, no new deployments are allowed on the scalingo-20 stack. Deployments made before this date continue to function, but using a supported stack becomes mandatory for any new deployment.
+From this date, no new deployments are allowed on the scalingo-20 stack. Deployments made before this date continue to work, but all new deployments will be done using a supported stack.
 
 
 ## Testing and Migrating Your App

src/changelog/base_image/_posts/2025-05-01-scalingo-20-eol.md

@@ -0,0 +1,27 @@
+---
+modified_at: 2025-05-01 07:00:00
+title: 'scalingo-20 is now deprecated'
+---
+
+The [scalingo-20]({% post_url platform/internals/stacks/2000-01-01-scalingo-20-stack %}) stack, based on the Ubuntu 20.04 LTS operating system, is now deprecated.
+
+Applications using scalingo-20 will continue to work. However, to ensure the security, performance, and reliability of both your applications and our platform, we strongly encourage you to plan their migration to scalingo-22, based on Ubuntu 22.04 LTS, as soon as possible.
+
+The [scalingo-22]({% post_url platform/internals/stacks/2000-01-01-scalingo-22-stack %}) stack, based on Ubuntu 22.04 LTS, will be supported until April 2027. This makes it a secure and sustainable choice for ensuring the continued functionality of your applications.
+
+**Deprecation Plan**
+
+- **May 1, 2025: Usage exemption for legacy apps**. Ubuntu 20.04 LTS and scalingo-20 officially reach end-of-life and will no longer receive updates.
+From this date, it is no longer possible to select this stack to create new applications.
+Existing applications using the scalingo-20 stack will continue to work normally, with the ability to create new deployments or Review Apps on this version.
+- **January 1, 2026: End of usage exemption**. From this date, no new deployments are allowed on the scalingo-20 stack. Deployments made before this date continue to work, but all new deployments will be done using a supported stack.
+
+
+**Plan today**
+
+To ensure the security, performance, and reliability of your applications, we encourage you to migrate to scalingo-22 as soon as possible.
+
+Resources to guide you:
+- [Scalingo Stacks](https://doc.scalingo.com/platform/internals/stacks/stacks)
+- [Details on scalingo-22](https://doc.scalingo.com/platform/internals/stacks/scalingo-22-stack)
+- [Overview of scalingo-22](https://scalingo.com/blog/scalingo-22-new-stack)