(chore) document support for older versions

joshgoebel · joshgoebel · commit d3aa27fe73d2 · 2020-08-05T21:56:47.000-04:00
diff --git a/OLD_VERSIONS.md b/OLD_VERSIONS.md
@@ -0,0 +1,14 @@
+## Support for Older Versions
+
+Due to both time and resource constrains the Highlight.js core team only fully supports the most current major version of the library. The prior major release will only receive critical security updates (when feasible).
+
+| Version | Status  | EOL |
+| :-----: | :------------ | :-: | - |
+| 10.x | *Current.* Regular updates; bug fixes & new features. | n/a |
+| 9.18.x | *Deprecated.* Security updates only.  See [VERSION_10_UPGRADE.md](https://github.com/highlightjs/highlight.js/blob/master/VERSION_10_UPGRADE.md). | TBD |
+| < 9.17.x | Obsolete. | Jan 2020 |
+| 8.x | Obsolete. |  |
+| 7.x | Obsolete. |  |
+| Older | Obsolete. |  |
+
+Support for IE11 is really the only reason anyone should still prefer version 9. It's recommended that everyone else upgrade.
diff --git a/README.md b/README.md
@@ -7,19 +7,22 @@ the browser as well as on the server. It works with pretty much any
 markup, doesn’t depend on any framework, and has automatic language
 detection.
 
-## Upgrading from Version 9
+#### Upgrading to Version 10
 
 Version 10 is one of the biggest releases in quite some time.  If you're
 upgrading from version 9, there are some breaking changes and things you may
 want to double check first.
 
 Please read [VERSION_10_UPGRADE.md](https://github.com/highlightjs/highlight.js/blob/master/VERSION_10_UPGRADE.md) for  high-level summary of breaking changes and any actions you may need to take. See [VERSION_10_BREAKING_CHANGES.md](https://github.com/highlightjs/highlight.js/blob/master/VERSION_10_BREAKING_CHANGES.md) for a more detailed list and [CHANGES.md](https://github.com/highlightjs/highlight.js/blob/master/CHANGES.md) to learn what else is new.
 
+##### Support for older versions
+
+Please see [OLD_VERSIONS.md](https://github.com/highlightjs/highlight.js/blob/master/OLD_VERSIONS.md) for support information.
+
 ## Getting Started
 
 The bare minimum for using highlight.js on a web page is linking to the
-library along with one of the styles and calling
-[`initHighlightingOnLoad`][1]:
+library along with one of the styles and calling [`initHighlightingOnLoad`][1]:
 
 ```html
 <link rel="stylesheet" href="/path/to/styles/default.css">
