CV == 0 means none recommended. No CV declared means latest compatible apk recommended.

src/org/fdroid/fdroid/DB.java

@@ -191,20 +191,14 @@ public class DB {
         // most recent, if for example there are betas etc.
         public Apk getCurrentVersion() {
 
-            // Try and return the real current version first...
+            // Try and return the real current version first. It will find the
+            // closest version smaller than the curVercode, being the same
+            // vercode if it exists.
             if (curVercode > 0) {
-                for (Apk apk : apks) {
-                    if (apk.compatible && apk.vercode == curVercode)
-                        return apk;
-                }
-            }
-
-            // If we don't know the current version, or we don't have it, we
-            // return the most recent version we have...
                 int latestcode = -1;
                 Apk latestapk = null;
                 for (Apk apk : apks) {
-                if (apk.compatible &&apk.vercode < curVercode
+                    if (apk.compatible && apk.vercode <= curVercode
                             && apk.vercode > latestcode) {
                         latestapk = apk;
                         latestcode = apk.vercode;
@@ -213,6 +207,22 @@ public class DB {
                 return latestapk;
             }
 
+            // If the current version was not set we return the most recent apk.
+            if (curVercode == -1) {
+                int latestcode = -1;
+                Apk latestapk = null;
+                for (Apk apk : apks) {
+                    if (apk.compatible && apk.vercode > latestcode) {
+                        latestapk = apk;
+                        latestcode = apk.vercode;
+                    }
+                }
+                return latestapk;
+            }
+
+            return null;
+        }
+
         @Override
         public int compareTo(App arg0) {
             return name.compareToIgnoreCase(arg0.name);

src/org/fdroid/fdroid/RepoXMLHandler.java

@@ -137,7 +137,7 @@ public class RepoXMLHandler extends DefaultHandler {
                 try {
                     curapk.vercode = Integer.parseInt(str);
                 } catch (NumberFormatException ex) {
-                    curapk.vercode = 0;
+                    curapk.vercode = -1;
                 }
             } else if (curel.equals("size")) {
                 try {
@@ -228,7 +228,7 @@ public class RepoXMLHandler extends DefaultHandler {
                 try {
                     curapp.curVercode = Integer.parseInt(str);
                 } catch (NumberFormatException ex) {
-                    curapp.curVercode = 0;
+                    curapp.curVercode = -1;
                 }
             } else if (curel.equals("antifeatures")) {
                 curapp.antiFeatures = DB.CommaSeparatedList.make(str);