RELEASE-NOTES: macOS 10.8 is no longer supported

This change is because of using Qt 5.9.x.

For discussion, see:

  https://www.mail-archive.com/search?l=mid&q=7D26D5A2-86D4-4495-B225-5119C5CCCDA4%40gmx.net

diff --git a/lib/RELEASE-NOTES b/lib/RELEASE-NOTES
index 1788167ad5ac863144599231d6373379ee6763ed..14bf985153ddd92df88e5ba725e32297cf4674c4 100644 (file)
--- a/lib/RELEASE-NOTES
+++ b/lib/RELEASE-NOTES
@@ -186,6 +186,8 @@
 
 !!Changes with respect to external programs and libraries in 2.3:
 
+* LyX now supports only macOS 10.9 and higher (due to using Qt 5.9).
+
 * Inkscape SVG with separate LaTeX + PDF or PS output is supported via External
   Material.