Stackable grid now only has horizontal padding on page grids

RELEASE-NOTES.md

@@ -5,11 +5,13 @@
 **Build**
 - **Dist** - Build will now output version number in comment banner
 
-**Updates**
+**Changes / Enhancements **
 - **Accordion** - Added ``animateChildren`` option to disable/enable opacity animation on child elements
 - **Accordion** - Accordion now uses `easeOutQuint`` instead of ``easeInOutQuint`` to increase perceived responsiveness of drawers
+- **Grid** - ``stackable grid`` now only adds horizontal padding when using ``stackable page grid``, otherwise content will take up full width of parent element
 
 **Bugs**
+- **Tab/Segment** - Fixes first tab being 1pixel taller than all other tabs
 - **Popup** - Fix issue with `ui popup` receiving error ``$offsetParent is undefined`` when using a pre-defined popup
 - **Popup** - Fix issue with ``ui popup` not appearing with ``ui flowing popup`` due to newly added ``min-width: max-content``
 - **Form** - ``ui search dropdown`` inside a form has incorrect focus style

src/definitions/collections/grid.less

@@ -1582,8 +1582,8 @@
   .ui.stackable.grid {
     display: block !important;
     width: auto;
-    margin-left: 0em !important;
-    margin-right: 0em !important;
+    margin-left: -(@stackableGutter / 2) !important;
+    margin-right: -(@stackableGutter / 2) !important;
     padding: 0em;
   }
   .ui.stackable.grid > .row > .wide.column,
@@ -1602,9 +1602,10 @@
     margin: 0em;
     padding: 0em;
   }
-  .ui.stackable.grid .column > .ui.stackable.grid {
-    margin-left: -(@stackableGutter / 2) !important;
-    margin-right: -(@stackableGutter / 2) !important;
+
+  .ui.stackable.page.grid {
+    margin-left: 0em !important;
+    margin-right: 0em !important;
   }
 
   /* Equal Height Stackable */