[css-grid-3] Update changes list, annotate issues.

Author: fantasai

css-grid-3/Overview.bs

@@ -675,6 +675,10 @@ Masonry Track Specification</h3>
 <h4 id=masonry-intrinsic-repeat>
 Intrinsic Tracks and repeat()</h4>
 
+	ISSUE(10915): Should we allow auto-repeated content-based tracks?
+	Is this a reasonable definition for them?
+	Should they work also in Grid Layout somehow?
+
 	In Grid Layout,
 	all [=grid items=] are placed in the grid
 	<em>before</em> the grid tracks are sized.
@@ -872,6 +876,8 @@ repeat(auto-areas)</h3>
 	Note: This value applies both to regular [=grid containers=] and to [=masonry containers=].
 
 	ISSUE(10854): It's unclear if we actually need this value.
+	Note that the explicit grid already takes values from 'grid-auto-columns'/'grid-auto-rows'/'masonry-auto-tracks'
+	as needed to match the number of template areas.
 
 <h4 id="repeat-auto-fit">
 repeat(auto-fit)</h3>
@@ -1490,4 +1496,10 @@ Recent Changes</h3>
 	The following changes have been made since the
 	<a href='https://www.w3.org/TR/2024/WD-css-grid-3-20240919/'>First Public Working Draft</a>:
 
-	* Minor editorial corrections, updated acknowledgements, and added an example.
+	* Drafted ability to mix ''auto-fill''/''auto-fit'' ''repeat()'' values with content-based track sizes
+		in the [=grid-independent option=] and made it the initial behavior 'masonry-template-tracks'.
+		(Issues <a href="https://github.com/w3c/csswg-drafts/issues/10915">10915</a>,
+		and <a href="https://github.com/w3c/csswg-drafts/issues/10869">10869</a>)
+	* Added ''masonry-slack: infinite''.
+		(<a href="https://github.com/w3c/csswg-drafts/issues/10883">Issue 10883</a>)
+	* Minor corrections, updated acknowledgements, and added an example.