fix: use only stable apps version

base/apps/nextcloud.json

 {
   "apps": {
     "announcementcenter": "https://github.com/nextcloud-releases/announcementcenter/releases/download/v6.8.1/announcementcenter-v6.8.1.tar.gz",
-    "appointments": "https://github.com/SergeyMosin/Appointments/raw/v2.0.4/build/artifacts/appstore/appointments.tar.gz",
+    "appointments": "https://github.com/SergeyMosin/Appointments/raw/v2.0.6/build/artifacts/appstore/appointments.tar.gz",
     "bookmarks": "https://github.com/nextcloud/bookmarks/releases/download/v13.1.3/bookmarks-13.1.3.tar.gz",
-    "calendar": "https://github.com/nextcloud-releases/calendar/releases/download/v4.7.0-beta4/calendar-v4.7.0-beta4.tar.gz",
+    "calendar": "https://github.com/nextcloud-releases/calendar/releases/download/v4.6.7/calendar-v4.6.7.tar.gz",
     "calendar_resource_management": "https://github.com/nextcloud-releases/calendar_resource_management/releases/download/v0.7.0/calendar_resource_management-v0.7.0.tar.gz",
     "collectives": "https://github.com/nextcloud/collectives/releases/download/v2.9.2/collectives-2.9.2.tar.gz",
     "contacts": "https://github.com/nextcloud-releases/contacts/releases/download/v5.5.3/contacts-v5.5.3.tar.gz",
@@ -24,7 +24,7 @@
     "groupfolders": "https://github.com/nextcloud-releases/groupfolders/releases/download/v15.3.7/groupfolders-v15.3.7.tar.gz",
     "impersonate": "https://github.com/nextcloud-releases/impersonate/releases/download/v1.14.0/impersonate-v1.14.0.tar.gz",
     "keeweb": "https://github.com/jhass/nextcloud-keeweb/releases/download/v0.6.13/keeweb-0.6.13.tar.gz",
-    "mail": "https://github.com/nextcloud-releases/mail/releases/download/v3.6.0-rc1/mail-v3.6.0-rc1.tar.gz",
+    "mail": "https://github.com/nextcloud-releases/mail/releases/download/v3.5.8/mail-v3.5.8.tar.gz",
     "music": "https://github.com/owncloud/music/releases/download/v1.9.1/music_1.9.1_for_nextcloud.tar.gz",
     "notes": "https://github.com/nextcloud-releases/notes/releases/download/v4.9.4/notes-v4.9.4.tar.gz",
     "onlyoffice": "https://github.com/ONLYOFFICE/onlyoffice-nextcloud/releases/download/v9.1.2/onlyoffice.tar.gz",
@@ -37,7 +37,7 @@
     "side_menu": "https://gitnet.fr/attachments/6c94236a-2f34-4a6a-8573-10b7559f2901",
     "sociallogin": "https://github.com/zorn-v/nextcloud-social-login/releases/download/v5.6.4/release.tar.gz",
     "spreed": "https://github.com/nextcloud-releases/spreed/releases/download/v17.1.7/spreed-v17.1.7.tar.gz",
-    "tables": "https://github.com/nextcloud-releases/tables/releases/download/v0.7.0-beta.3/tables-v0.7.0-beta.3.tar.gz",
+    "tables": "https://github.com/nextcloud-releases/tables/releases/download/v0.6.6/tables-v0.6.6.tar.gz",
     "tasks": "https://github.com/nextcloud/tasks/releases/download/v0.15.0/tasks.tar.gz",
     "theming_customcss": "https://github.com/juliushaertl/theming_customcss/releases/download/v1.15.0/theming_customcss.tar.gz",
     "timemanager": "https://github.com/te-online/nextcloud-app-releases/raw/main/timemanager/v0.3.9/timemanager.tar.gz",

scripts/nextcloud-apps.py

@@ -28,7 +28,8 @@ def update_apps(manifest):
         for catalog_app in catalog:
             if catalog_app["id"] == app:
                 for release in catalog_app["releases"]:
-                    if release["isNightly"]:
+                    # only stable release
+                    if release["isNightly"] or "-" in release["version"]:
                         continue
                     manifest["apps"][app] = release["download"]
                     break