FORGE-51:Provide mendix provided variables for pipelines (#11683)

* FORGE-51:Provide mendix provided variables for pipelines

Updated the description of the variable selector feature to clarify its functionality.
updated the doc and release notes

* Clarify Variable Selector description

Updated the description of the Variable Selector to include 'Mendix provided variables'.

* Update Variable Selector details and release date in documentation

---------

Co-authored-by: Olufunke Moronfolu <olufunke.moronfolu@mendix.com>

Author: MxTushar

content/en/docs/deployment/general/mendix-pipelines/configuring-post-get-steps.md

@@ -46,9 +46,16 @@ The following table summarizes the available configuration fields.
 
 ### Variable Selector
 
-To reduce errors caused by manual typing and speed up configuration, Mendix Pipelines provides a **Variable Selector** for supported configuration fields.
+To reduce errors caused by manual typing and speed up configuration, Mendix Pipelines provides a **Variable Selector** for supported configuration fields. Typing `$` in a supported field opens the **Variable Selector**, which displays available variables. The list is dynamically populated with:
+
+* user-defined variables
+* outputs from previous pipeline steps
+* Mendix-provided variables:
+    * `$Mendix.ProjectId`
+    * `$Mendix.TriggerType`
+    * `$Mendix.Branch` (Git Push only)
+    * `$Mendix.Revision` (Git Push only)
 
-Typing `$` in a supported field opens the **Variable Selector**, which displays available variables. The list is dynamically populated with user-defined variables and outputs from previous pipeline steps.
 
 {{< figure src="/attachments/deployment/general/mx-pipelines/mx-pipelines-variable-selector.png" alt="Image of the Variable Selector dropdown displaying a list of available pipeline variables in a configuration field." >}}
 

content/en/docs/releasenotes/deployment/mendix-pipelines.md

@@ -12,6 +12,12 @@ To see the current status of the Mendix Pipelines, see [Mendix Status](https://s
 
 ## 2026
 
+### Aug 06, 2026
+
+#### New Features
+
+* The variable selector now provides suggestions for Mendix-provided variables within the pipeline designer. Users can reference these variables directly in their pipelines instead of hardcoding their values. For more information, refer to the [Variable Selector](/developerportal/deploy/configuring-post-get-request-steps/#variable-selector) section of *Configuring POST and GET Request Steps*.
+  
 ### May 28, 2026
 
 #### New Features

layouts/partials/landingpage/latest-releases.html

@@ -14,7 +14,7 @@ <h4 class="lp-panel-title">Latest Releases</h4>
     </li>
     <li class="lp-panel-list">
         <a href="/releasenotes/developer-portal/deployment/">Deployment</a>
-        <p class="rn-date">August 4, 2026</p>
+        <p class="rn-date">August 6, 2026</p>
     </li>
     <li class="lp-panel-list">
         <a href="/releasenotes/catalog/">Catalog Release 2.150.0</a>