{"id":2903,"date":"2026-04-30T17:29:01","date_gmt":"2026-04-30T17:29:01","guid":{"rendered":"https:\/\/remote-support.space\/wordpress\/?p=2903"},"modified":"2026-04-30T17:29:01","modified_gmt":"2026-04-30T17:29:01","slug":"atrc-system-design-collaboration-tasks","status":"publish","type":"post","link":"https:\/\/remote-support.space\/wordpress\/2026\/04\/30\/atrc-system-design-collaboration-tasks\/","title":{"rendered":"ATRC System Design &#8211; Collaboration &#8211; Tasks"},"content":{"rendered":"<p>ATRC shall use nextcloud for managing tasks. The older software named radicale shall not be supported further because nextcloud tasks contains all the capabilities to manage user tasks.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>No, Radicale is not required<\/strong> if you are using Nextcloud&#8217;s built-in Tasks app.<\/p>\n<h3 id=\"why\" class=\"atx\">Why?<\/h3>\n<p>Nextcloud includes its <strong>own native CalDAV\/CardDAV server<\/strong>. The Nextcloud Tasks app stores and syncs tasks using the <code>VTODO<\/code> component of the CalDAV standard directly through Nextcloud&#8217;s internal DAV endpoint. You do not need an external CalDAV server like Radicale to make it work.<\/p>\n<h3 id=\"when-would-you-actually-need-radicale\" class=\"atx\">When would you actually need Radicale?<\/h3>\n<ul>\n<li>You&#8217;re running a <strong>minimal, standalone CalDAV\/CardDAV server<\/strong> instead of Nextcloud<\/li>\n<li>You want a lightweight sync layer for devices\/apps that don&#8217;t support Nextcloud&#8217;s full stack<\/li>\n<li>You&#8217;re building a custom architecture where Nextcloud&#8217;s DAV server is intentionally disabled<\/li>\n<li>You need a separate, isolated sync endpoint for compliance or multi-tenant routing<\/li>\n<\/ul>\n<h3 id=\"\u26a0\ufe0f-important-running-both-can-cause-issues\" class=\"atx\">\u26a0\ufe0f Important: Running Both Can Cause Issues<\/h3>\n<p>If you point your clients to both Nextcloud&#8217;s native CalDAV and a separate Radicale instance, you&#8217;ll likely experience:<\/p>\n<ul>\n<li>Duplicate or conflicting tasks<\/li>\n<li>Sync loops or failed pushes<\/li>\n<li>Authentication\/permission mismatches<\/li>\n<\/ul>\n<h3 id=\"\u2705-recommended-setup\" class=\"atx\">\u2705 Recommended Setup<\/h3>\n<ol>\n<li>Keep Nextcloud&#8217;s built-in CalDAV server enabled (default)<\/li>\n<li>Connect your task clients directly to Nextcloud:\n<pre><code class=\"fenced-code-block\">https:\/\/your-nextcloud-domain\/remote.php\/dav\/calendars\/&lt;username&gt;\/tasks\/<\/code><\/pre>\n<\/li>\n<li>Use the official Nextcloud Tasks web app, or compatible CalDAV clients (iOS Reminders, Thunderbird, GNOME Evolution, DAVx\u2075, etc.)<\/li>\n<\/ol>\n<p>If you&#8217;re trying to integrate Nextcloud Tasks with a specific device, app, or external workflow, tell me which one and I&#8217;ll give you the exact endpoint\/config steps.<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_2903\" class=\"pvc_stats all  \" data-element-id=\"2903\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/remote-support.space\/wordpress\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>ATRC shall use nextcloud for managing tasks. The older software named radicale shall not be supported further because nextcloud tasks contains all the capabilities to manage user tasks. &nbsp; &nbsp; No, Radicale is not required if you are using Nextcloud&#8217;s built-in Tasks app. Why? Nextcloud includes its own native CalDAV\/CardDAV server. The Nextcloud Tasks app [&hellip;]<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_2903\" class=\"pvc_stats all  \" data-element-id=\"2903\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/remote-support.space\/wordpress\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[],"class_list":["post-2903","post","type-post","status-publish","format-standard","hentry","category-tasks"],"a3_pvc":{"activated":true,"total_views":6,"today_views":0},"_links":{"self":[{"href":"https:\/\/remote-support.space\/wordpress\/wp-json\/wp\/v2\/posts\/2903","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/remote-support.space\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/remote-support.space\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/remote-support.space\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/remote-support.space\/wordpress\/wp-json\/wp\/v2\/comments?post=2903"}],"version-history":[{"count":1,"href":"https:\/\/remote-support.space\/wordpress\/wp-json\/wp\/v2\/posts\/2903\/revisions"}],"predecessor-version":[{"id":2904,"href":"https:\/\/remote-support.space\/wordpress\/wp-json\/wp\/v2\/posts\/2903\/revisions\/2904"}],"wp:attachment":[{"href":"https:\/\/remote-support.space\/wordpress\/wp-json\/wp\/v2\/media?parent=2903"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/remote-support.space\/wordpress\/wp-json\/wp\/v2\/categories?post=2903"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/remote-support.space\/wordpress\/wp-json\/wp\/v2\/tags?post=2903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}