add changelog for #8812

- fixes #7374

CHANGELOG.txt

@@ -30,6 +30,7 @@ Changelog
  * Improve the GitHub Workflows (CI) security (Alex (sashashura))
  * Use `search` type input in documentation search (LB (Ben) Johnston)
  * Render `help_text` when set on `FieldPanel`, `MultiFieldPanel`, `FieldRowPanel`, and other panel APIs where it previously worked without official support (Matt Westcott)
+ * Consolidate usage of Excel libraries to a single library `openpyxl`, removing usage of `XlsxWriter`, `tablib`, `xlrd` and `xlwt` (Jaap Roes)
  * Fix: Prevent `PageQuerySet.not_public` from returning all pages when no page restrictions exist (Mehrdad Moradizadeh)
  * Fix: Ensure that duplicate block ids are unique when duplicating stream blocks in the page editor (Joshua Munn)
  * Fix: Revise colour usage so that privacy & locked indicators can be seen in Windows High Contrast mode (LB (Ben Johnston))

docs/releases/4.1.md

@@ -48,6 +48,7 @@ Snippet models that inherit from `DraftStateMixin` can now be assigned go-live a
  * Improve the GitHub Workflows (CI) security (Alex (sashashura))
  * Use `search` type input in documentation search (LB (Ben) Johnston)
  * Render `help_text` when set on `FieldPanel`, `MultiFieldPanel`, `FieldRowPanel`, and other panel APIs where it previously worked without official support (Matt Westcott)
+ * Consolidate usage of Excel libraries to a single library `openpyxl`, removing usage of `XlsxWriter`, `tablib`, `xlrd` and `xlwt` (Jaap Roes)
 
 ### Bug fixes
 
@@ -84,3 +85,8 @@ The following button classes have been removed, none of which were being used wi
 * `hover-no`
 * `unbutton`
 * `yes`
+
+### Dropped support for importing `.xls` Spreadsheet files into Redirects
+
+* `.xls` legacy Microsoft Excel 97-2003 spreadsheets will no longer be supported for importing into the contrib Redirects listing.
+* `.xlsx`, `.csv`, `.tsv` formats are still supported.