diff -Nru kubuntu-settings-19.04ubuntu2~ubuntu19.04~ppa1/debian/changelog kubuntu-settings-19.04ubuntu2~ubuntu19.04~ppa2/debian/changelog
--- kubuntu-settings-19.04ubuntu2~ubuntu19.04~ppa1/debian/changelog	2018-12-28 23:44:44.000000000 +0000
+++ kubuntu-settings-19.04ubuntu2~ubuntu19.04~ppa2/debian/changelog	2018-12-28 23:44:44.000000000 +0000
@@ -1,4 +1,4 @@
-kubuntu-settings (1:19.04ubuntu2~ubuntu19.04~ppa1) disco; urgency=high
+kubuntu-settings (1:19.04ubuntu2~ubuntu19.04~ppa2) disco; urgency=high
 
   * Make plasma session set env var 'GTK_USE_PORTAL=1' to enable Firefox
     native KDE save dialog
diff -Nru kubuntu-settings-19.04ubuntu2~ubuntu19.04~ppa1/desktop/kf5-settings/plasma-workspace/env/50-firefox.sh kubuntu-settings-19.04ubuntu2~ubuntu19.04~ppa2/desktop/kf5-settings/plasma-workspace/env/50-firefox.sh
--- kubuntu-settings-19.04ubuntu2~ubuntu19.04~ppa1/desktop/kf5-settings/plasma-workspace/env/50-firefox.sh	2018-12-28 23:44:44.000000000 +0000
+++ kubuntu-settings-19.04ubuntu2~ubuntu19.04~ppa2/desktop/kf5-settings/plasma-workspace/env/50-firefox.sh	2018-12-28 23:44:44.000000000 +0000
@@ -1,2 +1,2 @@
 # Use native KDE file save dialog with Firefox 64+
-GTK_USE_PORTAL=1
+export GTK_USE_PORTAL=1