NEWS: Mention removal of 'envir'

HenrikBengtsson · HenrikBengtsson · commit 8e2e7da23dee · 2025-12-07T15:30:59.000-08:00
diff --git a/NEWS.md b/NEWS.md
@@ -34,6 +34,8 @@
    was effectively already the case, because of an internal thinko
    bug.
 
+ * Remove internal future field 'envir'.
+
  
 # Version 1.68.0 [2025-11-16]
 
