diff --git a/customize.dist/src/less2/include/support.less b/customize.dist/src/less2/include/support.less
index d83746b51..105599ada 100644
--- a/customize.dist/src/less2/include/support.less
+++ b/customize.dist/src/less2/include/support.less
@@ -78,7 +78,7 @@
             }
             &.cp-support-list-closed {
                 .cp-support-list-actions {
-                    display: block !important;
+                    display: flex !important;
                     .cp-support-answer, .cp-support-close {
                         display: none;
                     }
diff --git a/package-lock.json b/package-lock.json
index 775f42f68..2c64d8307 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "cryptpad",
-  "version": "3.24.0",
+  "version": "3.25.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -181,16 +181,16 @@
       "optional": true
     },
     "chainpad-crypto": {
-      "version": "0.2.4",
-      "resolved": "https://registry.npmjs.org/chainpad-crypto/-/chainpad-crypto-0.2.4.tgz",
-      "integrity": "sha512-fWbVyeAv35vf/dkkQaefASlJcEfpEvfRI23Mtn+/TBBry7+LYNuJMXJiovVY35pfyw2+trKh1Py5Asg9vrmaVg==",
+      "version": "0.2.5",
+      "resolved": "https://registry.npmjs.org/chainpad-crypto/-/chainpad-crypto-0.2.5.tgz",
+      "integrity": "sha512-K9vRsAspuX+uU1goXPz0CawpLIaOHq+1JP3WfDLqaz67LbCX/MLIUt9aMcSeIJcwZ9uMpqnbMGRktyVPoz6MCA==",
       "requires": {
-        "tweetnacl": "git://github.com/dchest/tweetnacl-js.git#v0.12.2"
+        "tweetnacl": "git+https://github.com/dchest/tweetnacl-js.git#v0.12.2"
       },
       "dependencies": {
         "tweetnacl": {
-          "version": "git://github.com/dchest/tweetnacl-js.git#8a21381d696acdc4e99c9f706f1ad23285795f79",
-          "from": "git://github.com/dchest/tweetnacl-js.git#v0.12.2"
+          "version": "git+https://github.com/dchest/tweetnacl-js.git#8a21381d696acdc4e99c9f706f1ad23285795f79",
+          "from": "git+https://github.com/dchest/tweetnacl-js.git#v0.12.2"
         }
       }
     },
diff --git a/package.json b/package.json
index 37fd6c686..86c7fc67b 100644
--- a/package.json
+++ b/package.json
@@ -1,11 +1,11 @@
 {
   "name": "cryptpad",
   "description": "realtime collaborative visual editor with zero knowlege server",
-  "version": "3.24.0",
+  "version": "3.25.0",
   "license": "AGPL-3.0+",
   "repository": {
     "type": "git",
-    "url": "git://github.com/xwiki-labs/cryptpad.git"
+    "url": "git+https://github.com/xwiki-labs/cryptpad.git"
   },
   "funding": {
     "type": "opencollective",
@@ -13,7 +13,7 @@
   },
   "dependencies": {
     "@mcrowe/minibloom": "^0.2.0",
-    "chainpad-crypto": "^0.2.2",
+    "chainpad-crypto": "^0.2.5",
     "chainpad-server": "^4.0.9",
     "express": "~4.16.0",
     "fs-extra": "^7.0.0",
diff --git a/www/admin/app-admin.less b/www/admin/app-admin.less
index 8fff2e528..77e13af43 100644
--- a/www/admin/app-admin.less
+++ b/www/admin/app-admin.less
@@ -65,14 +65,62 @@
 
     .cp-support-container {
         display: flex;
-        flex-flow: column;
+        flex-wrap: wrap;
+        .cp-support-column {
+            min-width: 700px;
+            flex: 1 0 50%;
+            h1 {
+                display: flex;
+                align-items: center;
+                button {
+                    margin-left: 50px !important;
+                }
+            }
+            .cp-support-count {
+                margin-left: 10px;
+            }
+            &.cp-support-column-collapsed {
+                .cp-support-list-ticket {
+                    display: none;
+                }
+            }
+        }
     }
 
     .cp-support-list-actions {
         margin: 10px 0px 10px 2px;
     }
 
+    .cp-support-list-ticket {
+        h2 {
+            font-size: 1.5rem;
+            display: flex;
+            justify-content: space-between;
+            align-items: top;
+            .cp-support-title-buttons {
+                flex-shrink: 0;
+            }
+        }
+        .cp-support-collapsed {
+            display: flex;
+            justify-content: space-between;
+            flex-wrap: wrap;
+            color: #666;
+            .cp-support-ispremium {
+                padding: 0 5px;
+                color: @colortheme_cp-red;
+                background-color: lighten(@colortheme_cp-red, 25%);
+            }
+        }
+    }
+
     .cp-support-list-ticket:not(.cp-support-list-closed) {
+        .cp-support-list-actions {
+            .cp-button-confirm, .cp-support-close {
+                order: 20;
+                margin-left: auto !important;
+            }
+        }
         .cp-support-list-message {
             &:last-child:not(.cp-support-fromadmin)  {
                 color: @colortheme_cp-red;
@@ -92,6 +140,28 @@
             }
         }
     }
+    .cp-support-list-ticket:not(.cp-support-open) {
+        span:first-child {
+            overflow: hidden;
+            text-overflow: ellipsis;
+            white-space: nowrap;
+        }
+        & > :not(h2):not(.cp-support-collapsed) {
+            display: none;
+        }
+        .cp-support-collapse {
+            display: none;
+        }
+        cursor: pointer;
+    }
+    .cp-support-list-ticket.cp-support-open {
+        .cp-support-collapsed {
+            display: none;
+        }
+        .cp-support-expand {
+            display: none;
+        }
+    }
 
     .cp-support-fromadmin {
         color: @colortheme_logo-2;
diff --git a/www/admin/inner.js b/www/admin/inner.js
index 955ba4faf..755b60ddc 100644
--- a/www/admin/inner.js
+++ b/www/admin/inner.js
@@ -552,7 +552,53 @@ define([
         var $div = $(h('div.cp-support-container')).appendTo($container);
 
         var catContainer = h('div.cp-dropdown-container');
-        $div.append(catContainer);
+        Messages.admin_support_premium = "Premium tickets:"; // XXX
+        Messages.admin_support_normal = "Unanswered tickets:";
+        Messages.admin_support_answered = "Answered tickets:";
+        Messages.admin_support_closed = "Closed tickets:";
+        Messages.admin_support_open = "Show";
+        Messages.admin_support_collapse = "Collapse";
+        Messages.admin_support_first = "Created on: ";
+        Messages.admin_support_last = "Updated on: ";
+        var col1 = h('div.cp-support-column', h('h1', [
+            h('span', Messages.admin_support_premium),
+            h('span.cp-support-count'),
+            h('button.btn.cp-support-column-button', Messages.admin_support_collapse)
+        ]));
+        var col2 = h('div.cp-support-column', h('h1', [
+            h('span', Messages.admin_support_normal),
+            h('span.cp-support-count'),
+            h('button.btn.cp-support-column-button', Messages.admin_support_collapse)
+        ]));
+        var col3 = h('div.cp-support-column', h('h1', [
+            h('span', Messages.admin_support_answered),
+            h('span.cp-support-count'),
+            h('button.btn.cp-support-column-button', Messages.admin_support_collapse)
+        ]));
+        var col4 = h('div.cp-support-column', h('h1', [
+            h('span', Messages.admin_support_closed),
+            h('span.cp-support-count'),
+            h('button.btn.cp-support-column-button', Messages.admin_support_collapse)
+        ]));
+        var $col1 = $(col1), $col2 = $(col2), $col3 = $(col3), $col4 = $(col4);
+        $div.append([
+            //catContainer
+            col1,
+            col2,
+            col3,
+            col4
+        ]);
+        $div.find('.cp-support-column-button').click(function () {
+            var $col = $(this).closest('.cp-support-column');
+            $col.toggleClass('cp-support-column-collapsed');
+            if ($col.hasClass('cp-support-column-collapsed')) {
+                $(this).text(Messages.admin_support_open);
+                $(this).toggleClass('btn-primary');
+            } else {
+                $(this).text(Messages.admin_support_collapse);
+                $(this).toggleClass('btn-primary');
+            }
+        });
         var category = 'all';
         var $drop = APP.support.makeCategoryDropdown(catContainer, function (key) {
             category = key;
@@ -572,37 +618,128 @@ define([
 
         var hashesById = {};
 
-        var reorder = function () {
-            var order = Object.keys(hashesById);
-            order.sort(function (id1, id2) {
-                var t1 = hashesById[id1];
-                var t2 = hashesById[id2];
-                if (!Array.isArray(t1)) { return 1; }
-                if (!Array.isArray(t2)) { return -1; }
-                var lastMsg1 = t1[t1.length - 1];
-                var lastMsg2 = t2[t2.length - 1];
-                var time1 = Util.find(lastMsg1, ['content', 'msg', 'content', 'time']);
-                var time2 = Util.find(lastMsg2, ['content', 'msg', 'content', 'time']);
-                var authorEd1 = Util.find(lastMsg1, ['content', 'msg', 'content', 'sender', 'edPublic']);
-                var authorEd2 = Util.find(lastMsg2, ['content', 'msg', 'content', 'sender', 'edPublic']);
-                var admin1 = ApiConfig.adminKeys.indexOf(authorEd1) !== -1;
-                var admin2 = ApiConfig.adminKeys.indexOf(authorEd2) !== -1;
-                // If one is answered and not the other, put the unanswered first
-                if (admin1 && !admin2) { return 1; }
-                if (!admin1 && admin2) { return -1; }
-                // Otherwise, sort them by time
-                return time2 - time1;
+        var getTicketData = function (id) {
+            var t = hashesById[id];
+            if (!Array.isArray(t) || !t.length) { return; }
+            var ed = Util.find(t[0], ['content', 'msg', 'content', 'sender', 'edPublic']);
+            // If one of their ticket was sent as a premium user, mark them as premium
+            var premium = t.some(function (msg) {
+                var _ed = Util.find(msg, ['content', 'msg', 'content', 'sender', 'edPublic']);
+                if (ed !== _ed) { return; }
+                return Util.find(t[0], ['content', 'msg', 'content', 'sender', 'plan']);
+            });
+            var lastMsg = t[t.length - 1];
+            var lastMsgEd = Util.find(lastMsg, ['content', 'msg', 'content', 'sender', 'edPublic']);
+            return {
+                lastMsg: lastMsg,
+                time: Util.find(lastMsg, ['content', 'msg', 'content', 'time']),
+                lastMsgEd: lastMsgEd,
+                lastAdmin: lastMsgEd !== ed && ApiConfig.adminKeys.indexOf(lastMsgEd) !== -1,
+                premium: premium,
+                authorEd: ed,
+                closed: Util.find(lastMsg, ['content', 'msg', 'type']) === 'CLOSE'
+            };
+        };
+
+        var addClickHandler = function ($ticket) {
+            $ticket.on('click', function () {
+                $ticket.toggleClass('cp-support-open', true);
+                $ticket.off('click');
             });
-            order.forEach(function (id, i) {
-                $div.find('[data-id="'+id+'"]').css('order', i);
+        };
+        var makeOpenButton = function ($ticket) {
+            var button = h('button.btn.btn-primary.cp-support-expand', Messages.admin_support_open);
+            var collapse = h('button.btn.cp-support-collapse', Messages.admin_support_collapse);
+            $(button).click(function () {
+                $ticket.toggleClass('cp-support-open', true);
+            });
+            addClickHandler($ticket);
+            $(collapse).click(function (e) {
+                $ticket.toggleClass('cp-support-open', false);
+                e.stopPropagation();
+                setTimeout(function () {
+                    addClickHandler($ticket);
+                });
+            });
+            $ticket.find('.cp-support-title-buttons').prepend([button, collapse]);
+            $ticket.append(h('div.cp-support-collapsed'));
+        };
+        var updateTicketDetails = function ($ticket, isPremium) {
+            var $first = $ticket.find('.cp-support-message-from').first();
+            var user = $first.find('span').first().html();
+            var time = $first.find('.cp-support-message-time').text();
+            var last = $ticket.find('.cp-support-message-from').last().find('.cp-support-message-time').text();
+            var $c = $ticket.find('.cp-support-collapsed');
+            var txtClass = isPremium ? ".cp-support-ispremium" : "";
+            $c.html('').append([
+                UI.setHTML(h('span'+ txtClass), user),
+                h('span', [
+                    h('b', Messages.admin_support_first),
+                    h('span', time)
+                ]),
+                h('span', [
+                    h('b', Messages.admin_support_last),
+                    h('span', last)
+                ])
+            ]);
+
+        };
+
+        var sort = function (id1, id2) {
+            var t1 = getTicketData(id1);
+            var t2 = getTicketData(id2);
+            if (!t1) { return 1; }
+            if (!t2) { return -1; }
+            /*
+            // If one is answered and not the other, put the unanswered first
+            if (t1.lastAdmin && !t2.lastAdmin) { return 1; }
+            if (!t1.lastAdmin && t2.lastAdmin) { return -1; }
+            */
+            // Otherwise, sort them by time
+            return t1.time - t2.time;
+        };
+
+        var _reorder = function () {
+            var orderAnswered = Object.keys(hashesById).filter(function (id) {
+                var d = getTicketData(id);
+                return d && d.lastAdmin && !d.closed;
+            }).sort(sort);
+            var orderPremium = Object.keys(hashesById).filter(function (id) {
+                var d = getTicketData(id);
+                return d && d.premium && !d.lastAdmin && !d.closed;
+            }).sort(sort);
+            var orderNormal = Object.keys(hashesById).filter(function (id) {
+                var d = getTicketData(id);
+                return d && !d.premium && !d.lastAdmin && !d.closed;
+            }).sort(sort);
+            var orderClosed = Object.keys(hashesById).filter(function (id) {
+                var d = getTicketData(id);
+                return d && d.closed;
+            }).sort(sort);
+            var cols = [$col1, $col2, $col3, $col4];
+            [orderPremium, orderNormal, orderAnswered, orderClosed].forEach(function (list, j) {
+                list.forEach(function (id, i) {
+                    var $t = $div.find('[data-id="'+id+'"]');
+                    var d = getTicketData(id);
+                    $t.css('order', i).appendTo(cols[j]);
+                    updateTicketDetails($t, d.premium);
+                });
+                if (!list.length) {
+                    cols[j].hide();
+                } else {
+                    cols[j].show();
+                    cols[j].find('.cp-support-count').text(list.length);
+                }
             });
         };
+        var reorder = Util.throttle(_reorder, 150);
 
         var to = Util.throttle(function () {
             var $ticket = $div.find('.cp-support-list-ticket[data-id="'+linkedId+'"]');
+            $ticket.addClass('cp-support-open');
             $ticket[0].scrollIntoView();
             linkedId = undefined;
-        }, 100);
+        }, 200);
 
         // Register to the "support" mailbox
         common.mailbox.subscribe(['supportadmin'], {
@@ -630,6 +767,7 @@ define([
                     if (!$ticket.length) { return; }
                     $ticket.addClass('cp-support-list-closed');
                     $ticket.append(APP.support.makeCloseMessage(content, hash));
+                    reorder();
                     return;
                 }
                 if (msg.type !== 'TICKET') { return; }
@@ -650,13 +788,19 @@ define([
                                 }));
                             });
                         }).nThen(function () {
-                            if (!error) { return void $ticket.remove(); }
+                            if (!error) {
+                                $ticket.remove();
+                                delete hashesById[id];
+                                reorder();
+                                return;
+                            }
                             // if deletion failed then reactivate the button and warn
                             hideButton.removeAttribute('disabled');
                             // and show a generic error message
                             UI.alert(Messages.error);
                         });
                     });
+                    makeOpenButton($ticket);
                     if (category !== 'all' && $ticket.attr('data-cat') !== category) {
                         $ticket.hide();
                     }
diff --git a/www/common/common-interface.js b/www/common/common-interface.js
index 3e9d848cd..bb84187b4 100644
--- a/www/common/common-interface.js
+++ b/www/common/common-interface.js
@@ -774,7 +774,8 @@ define([
             $(originalBtn).show();
         };
 
-        $button.click(function () {
+        $button.click(function (e) {
+            e.stopPropagation();
             done(true);
         });
 
@@ -792,7 +793,8 @@ define([
             to = setTimeout(todo, INTERVAL);
         };
 
-        $(originalBtn).addClass('cp-button-confirm-placeholder').click(function () {
+        $(originalBtn).addClass('cp-button-confirm-placeholder').click(function (e) {
+            e.stopPropagation();
             // If we have a validation function, continue only if it's true
             if (config.validate && !config.validate()) { return; }
             i = 1;
diff --git a/www/common/outer/async-store.js b/www/common/outer/async-store.js
index 2c008a09e..717097b32 100644
--- a/www/common/outer/async-store.js
+++ b/www/common/outer/async-store.js
@@ -1631,7 +1631,7 @@ define([
                 Store.leavePad(null, data, function () {});
             };
             var conf = {
-                //Cache: Cache, // XXX re-enable cache usage
+                Cache: Cache, // XXX re-enable cache usage
                 onCacheStart: function () {
                     postMessage(clientId, "PAD_CACHE");
                 },
@@ -2686,7 +2686,7 @@ define([
                 readOnly: false,
                 validateKey: secret.keys.validateKey || undefined,
                 crypto: Crypto.createEncryptor(secret.keys),
-                //Cache: Cache, // XXX re-enable cache usage
+                Cache: Cache, // XXX re-enable cache usage
                 userName: 'fs',
                 logLevel: 1,
                 ChainPad: ChainPad,
diff --git a/www/common/outer/sharedfolder.js b/www/common/outer/sharedfolder.js
index 518367826..2ac98cdb7 100644
--- a/www/common/outer/sharedfolder.js
+++ b/www/common/outer/sharedfolder.js
@@ -175,7 +175,7 @@ define([
                 ChainPad: ChainPad,
                 classic: true,
                 network: network,
-                //Cache: Cache, // XXX re-enable cache usage
+                Cache: Cache, // XXX re-enable cache usage
                 metadata: {
                     validateKey: secret.keys.validateKey || undefined,
                     owners: owners
diff --git a/www/common/outer/team.js b/www/common/outer/team.js
index cba26189f..26bd32f3c 100644
--- a/www/common/outer/team.js
+++ b/www/common/outer/team.js
@@ -427,7 +427,7 @@ define([
                 channel: secret.channel,
                 crypto: crypto,
                 ChainPad: ChainPad,
-                //Cache: Cache, // XXX re-enable cache usage
+                Cache: Cache, // XXX re-enable cache usage
                 metadata: {
                     validateKey: secret.keys.validateKey || undefined,
                 },
diff --git a/www/support/ui.js b/www/support/ui.js
index a58fdf170..b85197f63 100644
--- a/www/support/ui.js
+++ b/www/support/ui.js
@@ -230,7 +230,7 @@ define([
         var form = h('div.cp-support-form-container', content);
 
         $(cancel).click(function () {
-            $(form).closest('.cp-support-list-ticket').find('.cp-support-list-actions').show();
+            $(form).closest('.cp-support-list-ticket').find('.cp-support-list-actions').css('display', '');
             $(form).remove();
         });
 
@@ -257,8 +257,9 @@ define([
         var url;
         if (ctx.isAdmin) {
             ticketCategory = Messages['support_cat_'+(content.category || 'all')] + ' - ';
-            url = h('button.btn.btn-primary.fa.fa-clipboard');
-            $(url).click(function () {
+            url = h('button.btn.fa.fa-clipboard');
+            $(url).click(function (e) {
+                e.stopPropagation();
                 var link = privateData.origin + privateData.pathname + '#' + 'support-' + content.id;
                 var success = Clipboard.copy(link);
                 if (success) { UI.log(Messages.shareSuccess); }
@@ -269,7 +270,10 @@ define([
             'data-cat': content.category,
             'data-id': content.id
         }, [
-            h('h2', [ticketCategory, ticketTitle, url]),
+            h('h2', [
+                h('span', [ticketCategory, ticketTitle]),
+                h('span.cp-support-title-buttons',url)
+            ]),
             actions
         ]));
 
@@ -303,7 +307,7 @@ define([
             var form = makeForm(ctx, function () {
                 var sent = sendForm(ctx, content.id, form, content.sender);
                 if (sent) {
-                    $(actions).show();
+                    $(actions).css('display', '');
                     $(form).remove();
                 }
             }, content.title);