wnp.diff

diff --git a/browser/components/BrowserContentHandler.jsm b/browser/components/BrowserContentHandler.jsm
--- a/browser/components/BrowserContentHandler.jsm
+++ b/browser/components/BrowserContentHandler.jsm
@@ -548,38 +548,33 @@ nsBrowserContentHandler.prototype = {
           case OVERRIDE_NEW_PROFILE:
             // New profile.
             overridePage = Services.urlFormatter.formatURLPref("startup.homepage_welcome_url");
             additionalPage = Services.urlFormatter.formatURLPref("startup.homepage_welcome_url.additional");
             // Turn on 'later run' pages for new profiles.
             LaterRun.enabled = true;
             break;
           case OVERRIDE_NEW_MSTONE:
+          case OVERRIDE_NEW_BUILD_ID:
             // Check whether we will restore a session. If we will, we assume
             // that this is an "update" session. This does not take crashes
             // into account because that requires waiting for the session file
             // to be read. If a crash occurs after updating, before restarting,
             // we may open the startPage in addition to restoring the session.
             willRestoreSession = SessionStartup.isAutomaticRestoreEnabled();

             overridePage = Services.urlFormatter.formatURLPref("startup.homepage_override_url");
             if (prefb.prefHasUserValue("app.update.postupdate")) {
               overridePage = getPostUpdateOverridePage(overridePage);
               // Send the update ping to signal that the update was successful.
               UpdatePing.handleUpdateSuccess(old_mstone, old_buildId);
             }

             overridePage = overridePage.replace("%OLD_VERSION%", old_mstone);
             break;
-          case OVERRIDE_NEW_BUILD_ID:
-            if (prefb.prefHasUserValue("app.update.postupdate")) {
-              // Send the update ping to signal that the update was successful.
-              UpdatePing.handleUpdateSuccess(old_mstone, old_buildId);
-            }
-            break;
         }
       }
     } catch (ex) {}

     // formatURLPref might return "about:blank" if getting the pref fails
     if (overridePage == "about:blank")
       overridePage = "";

diff --git a/browser/config/whats_new_page.yml b/browser/config/whats_new_page.yml
--- a/browser/config/whats_new_page.yml
+++ b/browser/config/whats_new_page.yml
@@ -13,46 +13,11 @@
       blob-types: [wnp]
       release-types: [release, release-rc]
       products: [firefox]
       update-channel: release
       # e.g.: ["<61.0"]. {version.major_number} reflects the current version.
       # This is done by taskgraph.
       versions: ["<{version.major_number}.0"]
       locales:
-          - be
-          - cak
-          - cs
-          - cy
-          - da
           - de
-          - dsb
-          - en-CA
-          - en-GB
           - en-US
-          - es-AR
-          - es-CL
-          - es-ES
           - fr
-          - fy-NL
-          - gu-IN
-          - hsb
-          - hu
-          - ia
-          - id
-          - it
-          - ka
-          - nl
-          - nn-NO
-          - pl
-          - pt-BR
-          - pt-PT
-          - rm
-          - ro
-          - ru
-          - sk
-          - sl
-          - sq
-          - sv-SE
-          - tr
-          - vi
-          - zh-CN
-          - zh-TW