From 7fd5116da28c812cb4c717c4a7561c91b72cb32c Mon Sep 17 00:00:00 2001
From: Richard Bloor <git@sherpa.co.nz>
Date: Tue, 4 Mar 2025 04:52:05 +1300
Subject: [PATCH 1/2] Bug-1659500 contextualIdentities API undefined in Firefox
 for Android

---
 .../mozilla/firefox/releases/138/index.md     | 73 +++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 files/en-us/mozilla/firefox/releases/138/index.md

diff --git a/files/en-us/mozilla/firefox/releases/138/index.md b/files/en-us/mozilla/firefox/releases/138/index.md
new file mode 100644
index 000000000000000..1dc9101caa4902b
--- /dev/null
+++ b/files/en-us/mozilla/firefox/releases/138/index.md
@@ -0,0 +1,73 @@
+---
+title: Firefox 138 for developers
+slug: Mozilla/Firefox/Releases/138
+page-type: firefox-release-notes
+---
+
+{{FirefoxSidebar}}
+
+This article provides information about the changes in Firefox 138 that affect developers. Firefox 138 is the current [Nightly version of Firefox](https://www.mozilla.org/en-US/firefox/channel/desktop/#nightly) and ships on [April 29, 2025](https://whattrainisitnow.com/release/?version=138).
+
+## Changes for web developers
+
+### Developer Tools
+
+### HTML
+
+#### Removals
+
+### CSS
+
+#### Removals
+
+### JavaScript
+
+#### Removals
+
+### SVG
+
+#### Removals
+
+### HTTP
+
+#### Removals
+
+### Security
+
+#### Removals
+
+### APIs
+
+#### DOM
+
+#### Media, WebRTC, and Web Audio
+
+#### Removals
+
+### WebAssembly
+
+#### Removals
+
+### WebDriver conformance (WebDriver BiDi, Marionette)
+
+#### General
+
+#### WebDriver BiDi
+
+#### Marionette
+
+## Changes for add-on developers
+
+- The {{WebExtAPIRef("contextualIdentities")}} API is no longer defined in Firefox for Android. Previously, it was defined but not functional. ([Firefox bug 1659500](https://bugzil.la/1659500))
+
+### Removals
+
+### Other
+
+## Experimental web features
+
+These features are newly shipped in Firefox 137 but are disabled by default. To experiment with them, search for the appropriate preference on the `about:config` page and set it to `true`. You can find more such features on the [Experimental features](/en-US/docs/Mozilla/Firefox/Experimental_features) page.
+
+## Older versions
+
+{{Firefox_for_developers}}

From 8d5a7f0c90642944404e72eb1b8c997d5015798e Mon Sep 17 00:00:00 2001
From: rebloor <git@sherpa.co.nz>
Date: Tue, 18 Mar 2025 13:52:21 +1300
Subject: [PATCH 2/2] Update from feedback

---
 files/en-us/mozilla/firefox/releases/138/index.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/files/en-us/mozilla/firefox/releases/138/index.md b/files/en-us/mozilla/firefox/releases/138/index.md
index 4d1a7e72bb1188a..b7d145d2507ab16 100644
--- a/files/en-us/mozilla/firefox/releases/138/index.md
+++ b/files/en-us/mozilla/firefox/releases/138/index.md
@@ -58,7 +58,8 @@ This article provides information about the changes in Firefox 138 that affect d
 
 ## Changes for add-on developers
 
-- The {{WebExtAPIRef("contextualIdentities")}} API is no longer defined in Firefox for Android. Previously, it was defined but not functional. ([Firefox bug 1659500](https://bugzil.la/1659500))
+- The {{WebExtAPIRef("contextualIdentities")}} API is no longer defined in Firefox for Android. Previously, it was defined but defective. ([Firefox bug 1659500](https://bugzil.la/1659500))
+- The `contextualIdentities` permission is now not recognized on Firefox for Android. Previously, it enabled a broken version of the "containers" feature. ([Firefox bug 1659500](https://bugzil.la/1659500))
 - The new Manifest V3 version of the {{WebExtAPIRef("userScripts")}} API is now available on Firefox for Android. ([Firefox bug 1949955](https://bugzil.la/1949955))
 
 ### Removals