diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index dd6dfba35b3a6341e5f314e551c3e61e7b1c291c..4c62e84cf86341c7b51ad0c147b0be1fd305b914 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,7 +2,7 @@ image: docker:20.10.9
 
 variables:
   DOCKER_TLS_CERTDIR: "/certs"
-  BUILD_VERSION: p6
+  BUILD_VERSION: p7
 
 services:
   - docker:20.10.9-dind
diff --git a/phpbb/styles/prosilver/template/ajax.js b/phpbb/styles/prosilver/template/ajax.js
new file mode 100644
index 0000000000000000000000000000000000000000..84a4b28aaa584db24359dd6cca4897988539d97e
--- /dev/null
+++ b/phpbb/styles/prosilver/template/ajax.js
@@ -0,0 +1,392 @@
+/* global phpbb */
+
+(function($) {  // Avoid conflicts with other libraries
+
+'use strict';
+
+// This callback will mark all forum icons read
+phpbb.addAjaxCallback('mark_forums_read', function(res) {
+	var readTitle = res.NO_UNREAD_POSTS;
+	var unreadTitle = res.UNREAD_POSTS;
+	var iconsArray = {
+		forum_unread: 'forum_read',
+		forum_unread_subforum: 'forum_read_subforum',
+		forum_unread_locked: 'forum_read_locked'
+	};
+
+	$('li.row').find('dl[class*="forum_unread"]').each(function() {
+		var $this = $(this);
+
+		$.each(iconsArray, function(unreadClass, readClass) {
+			if ($this.hasClass(unreadClass)) {
+				$this.removeClass(unreadClass).addClass(readClass);
+			}
+		});
+		$this.children('dt[title="' + unreadTitle + '"]').attr('title', readTitle);
+	});
+
+	// Mark subforums read
+	$('a.subforum[class*="unread"]').removeClass('unread').addClass('read').children('.icon.icon-red').removeClass('icon-red').addClass('icon-blue');
+
+	// Mark topics read if we are watching a category and showing active topics
+	if ($('#active_topics').length) {
+		phpbb.ajaxCallbacks.mark_topics_read.call(this, res, false);
+	}
+
+	// Update mark forums read links
+	$('[data-ajax="mark_forums_read"]').attr('href', res.U_MARK_FORUMS);
+
+	phpbb.closeDarkenWrapper(3000);
+});
+
+/**
+* This callback will mark all topic icons read
+*
+* @param {bool} [update_topic_links=true] Whether "Mark topics read" links
+* 	should be updated. Defaults to true.
+*/
+phpbb.addAjaxCallback('mark_topics_read', function(res, updateTopicLinks) {
+	var readTitle = res.NO_UNREAD_POSTS;
+	var unreadTitle = res.UNREAD_POSTS;
+	var iconsArray = {
+		global_unread: 'global_read',
+		announce_unread: 'announce_read',
+		sticky_unread: 'sticky_read',
+		topic_unread: 'topic_read'
+	};
+	var iconsState = ['', '_hot', '_hot_mine', '_locked', '_locked_mine', '_mine'];
+	var unreadClassSelectors;
+	var classMap = {};
+	var classNames = [];
+
+	if (typeof updateTopicLinks === 'undefined') {
+		updateTopicLinks = true;
+	}
+
+	$.each(iconsArray, function(unreadClass, readClass) {
+		$.each(iconsState, function(key, value) {
+			// Only topics can be hot
+			if ((value === '_hot' || value === '_hot_mine') && unreadClass !== 'topic_unread') {
+				return true;
+			}
+			classMap[unreadClass + value] = readClass + value;
+			classNames.push(unreadClass + value);
+		});
+	});
+
+	unreadClassSelectors = '.' + classNames.join(',.');
+
+	$('li.row').find(unreadClassSelectors).each(function() {
+		var $this = $(this);
+		$.each(classMap, function(unreadClass, readClass) {
+			if ($this.hasClass(unreadClass)) {
+				$this.removeClass(unreadClass).addClass(readClass);
+			}
+		});
+		$this.children('dt[title="' + unreadTitle + '"]').attr('title', readTitle);
+	});
+
+	// Remove link to first unread post
+	$('a.unread').has('.icon-red').remove();
+
+	// Update mark topics read links
+	if (updateTopicLinks) {
+		$('[data-ajax="mark_topics_read"]').attr('href', res.U_MARK_TOPICS);
+	}
+
+	phpbb.closeDarkenWrapper(3000);
+});
+
+// This callback will mark all notifications read
+phpbb.addAjaxCallback('notification.mark_all_read', function(res) {
+	if (typeof res.success !== 'undefined') {
+		phpbb.markNotifications($('#notification_list li.bg2'), 0);
+		phpbb.closeDarkenWrapper(3000);
+	}
+});
+
+// This callback will mark a notification read
+phpbb.addAjaxCallback('notification.mark_read', function(res) {
+	if (typeof res.success !== 'undefined') {
+		var unreadCount = Number($('#notification_list_button strong').html()) - 1;
+		phpbb.markNotifications($(this).parent('li.bg2'), unreadCount);
+	}
+});
+
+/**
+ * Mark notification popup rows as read.
+ *
+ * @param {jQuery} $popup jQuery object(s) to mark read.
+ * @param {int} unreadCount The new unread notifications count.
+ */
+phpbb.markNotifications = function($popup, unreadCount) {
+	// Remove the unread status.
+	$popup.removeClass('bg2');
+	$popup.find('a.mark_read').remove();
+
+	// Update the notification link to the real URL.
+	$popup.each(function() {
+		var link = $(this).find('a');
+		link.attr('href', link.attr('data-real-url'));
+	});
+
+	// Update the unread count.
+	$('strong', '#notification_list_button').html(unreadCount);
+	// Remove the Mark all read link and hide notification count if there are no unread notifications.
+	if (!unreadCount) {
+		$('#mark_all_notifications').remove();
+		$('#notification_list_button > strong').addClass('hidden');
+	}
+
+	// Update page title
+	var $title = $('title');
+	var originalTitle = $title.text().replace(/(\((\d+)\))/, '');
+	$title.text((unreadCount ? '(' + unreadCount + ')' : '') + originalTitle);
+};
+
+// This callback finds the post from the delete link, and removes it.
+phpbb.addAjaxCallback('post_delete', function() {
+	var $this = $(this),
+		postId;
+
+	if ($this.attr('data-refresh') === undefined) {
+		postId = $this[0].href.split('&p=')[1];
+		var post = $this.parents('#p' + postId).css('pointer-events', 'none');
+		if (post.hasClass('bg1') || post.hasClass('bg2')) {
+			var posts1 = post.nextAll('.bg1');
+			post.nextAll('.bg2').removeClass('bg2').addClass('bg1');
+			posts1.removeClass('bg1').addClass('bg2');
+		}
+		post.fadeOut(function() {
+			$(this).remove();
+		});
+	}
+});
+
+// This callback removes the approve / disapprove div or link.
+phpbb.addAjaxCallback('post_visibility', function(res) {
+	var remove = (res.visible) ? $(this) : $(this).parents('.post');
+	$(remove).css('pointer-events', 'none').fadeOut(function() {
+		$(this).remove();
+	});
+
+	if (res.visible) {
+		// Remove the "Deleted by" message from the post on restoring.
+		remove.parents('.post').find('.post_deleted_msg').css('pointer-events', 'none').fadeOut(function() {
+			$(this).remove();
+		});
+	}
+});
+
+// This removes the parent row of the link or form that fired the callback.
+phpbb.addAjaxCallback('row_delete', function() {
+	$(this).parents('tr').remove();
+});
+
+// This handles friend / foe additions removals.
+phpbb.addAjaxCallback('zebra', function(res) {
+	var zebra;
+
+	if (res.success) {
+		zebra = $('.zebra');
+		zebra.first().html(res.MESSAGE_TEXT);
+		zebra.not(':first').html(' ').prev().html(' ');
+	}
+});
+
+/**
+ * This callback updates the poll results after voting.
+ */
+phpbb.addAjaxCallback('vote_poll', function(res) {
+	if (typeof res.success !== 'undefined') {
+		var poll = $(this).closest('.topic_poll');
+		var panel = poll.find('.panel');
+		var resultsVisible = poll.find('dl:first-child .resultbar').is(':visible');
+		var mostVotes = 0;
+
+		// Set min-height to prevent the page from jumping when the content changes
+		var updatePanelHeight = function (height) {
+			height = (typeof height === 'undefined') ? panel.find('.inner').outerHeight() : height;
+			panel.css('min-height', height);
+		};
+		updatePanelHeight();
+
+		// Remove the View results link
+		if (!resultsVisible) {
+			poll.find('.poll_view_results').hide(500);
+		}
+
+		if (!res.can_vote) {
+			poll.find('.polls, .poll_max_votes, .poll_vote, .poll_option_select').fadeOut(500, function () {
+				poll.find('.resultbar, .poll_option_percent, .poll_total_votes').show();
+			});
+		} else {
+			// If the user can still vote, simply slide down the results
+			poll.find('.resultbar, .poll_option_percent, .poll_total_votes').show(500);
+		}
+
+		// Get the votes count of the highest poll option
+		poll.find('[data-poll-option-id]').each(function() {
+			var option = $(this);
+			var optionId = option.attr('data-poll-option-id');
+			mostVotes = (res.vote_counts[optionId] >= mostVotes) ? res.vote_counts[optionId] : mostVotes;
+		});
+
+		// Update the total votes count
+		poll.find('.poll_total_vote_cnt').html(res.total_votes);
+
+		// Update each option
+		poll.find('[data-poll-option-id]').each(function() {
+			var $this = $(this);
+			var optionId = $this.attr('data-poll-option-id');
+			var voted = (typeof res.user_votes[optionId] !== 'undefined');
+			var mostVoted = (res.vote_counts[optionId] === mostVotes);
+			var percent = (!res.total_votes) ? 0 : Math.round((res.vote_counts[optionId] / res.total_votes) * 100);
+			var percentRel = (mostVotes === 0) ? 0 : Math.round((res.vote_counts[optionId] / mostVotes) * 100);
+			var altText;
+
+			altText = $this.attr('data-alt-text');
+			if (voted) {
+				$this.attr('title', $.trim(altText));
+			} else {
+				$this.attr('title', '');
+			};
+			$this.toggleClass('voted', voted);
+			$this.toggleClass('most-votes', mostVoted);
+
+			// Update the bars
+			var bar = $this.find('.resultbar div');
+			var barTimeLapse = (res.can_vote) ? 500 : 1500;
+			var newBarClass = (percent === 100) ? 'pollbar5' : 'pollbar' + (Math.floor(percent / 20) + 1);
+
+			setTimeout(function () {
+				bar.animate({ width: percentRel + '%' }, 500)
+					.removeClass('pollbar1 pollbar2 pollbar3 pollbar4 pollbar5')
+					.addClass(newBarClass)
+					.html(res.vote_counts[optionId]);
+
+				var percentText = percent ? percent + '%' : res.NO_VOTES;
+				$this.find('.poll_option_percent').html(percentText);
+			}, barTimeLapse);
+		});
+
+		if (!res.can_vote) {
+			poll.find('.polls').delay(400).fadeIn(500);
+		}
+
+		// Display "Your vote has been cast." message. Disappears after 5 seconds.
+		var confirmationDelay = (res.can_vote) ? 300 : 900;
+		poll.find('.vote-submitted').delay(confirmationDelay).slideDown(200, function() {
+			if (resultsVisible) {
+				updatePanelHeight();
+			}
+
+			$(this).delay(5000).fadeOut(500, function() {
+				resizePanel(300);
+			});
+		});
+
+		// Remove the gap resulting from removing options
+		setTimeout(function() {
+			resizePanel(500);
+		}, 1500);
+
+		var resizePanel = function (time) {
+			var panelHeight = panel.height();
+			var innerHeight = panel.find('.inner').outerHeight();
+
+			if (panelHeight !== innerHeight) {
+				panel.css({ minHeight: '', height: panelHeight })
+					.animate({ height: innerHeight }, time, function () {
+						panel.css({ minHeight: innerHeight, height: '' });
+					});
+			}
+		};
+	}
+});
+
+$('[data-ajax]').each(function() {
+	var $this = $(this);
+	var ajax = $this.attr('data-ajax');
+	var filter = $this.attr('data-filter');
+
+	if (ajax !== 'false') {
+		var fn = (ajax !== 'true') ? ajax : null;
+		filter = (filter !== undefined) ? phpbb.getFunctionByName(filter) : null;
+
+		phpbb.ajaxify({
+			selector: this,
+			refresh: $this.attr('data-refresh') !== undefined,
+			filter: filter,
+			callback: fn
+		});
+	}
+});
+
+
+/**
+ * This simply appends #preview to the action of the
+ * QR action when you click the Full Editor & Preview button
+ */
+$('#qr_full_editor').click(function() {
+	$('#qr_postform').attr('action', function(i, val) {
+		return val + '#preview';
+	});
+});
+
+
+/**
+ * Make the display post links to use JS
+ */
+$('.display_post').click(function(e) {
+	// Do not follow the link
+	e.preventDefault();
+
+	var postId = $(this).attr('data-post-id');
+	$('#post_content' + postId).show();
+	$('#profile' + postId).show();
+	$('#post_hidden' + postId).hide();
+});
+
+/**
+ * Display hidden post on post review page
+ */
+$('.display_post_review').on('click', function(e) {
+	e.preventDefault();
+
+	let $displayPostLink = $(this);
+	$displayPostLink.closest('.post-ignore').removeClass('post-ignore');
+	$displayPostLink.hide();
+});
+
+/**
+* Toggle the member search panel in memberlist.php.
+*
+* If user returns to search page after viewing results the search panel is automatically displayed.
+* In any case the link will toggle the display status of the search panel and link text will be
+* appropriately changed based on the status of the search panel.
+*/
+$('#member_search').click(function () {
+	var $memberlistSearch = $('#memberlist_search');
+
+	$memberlistSearch.slideToggle('fast');
+	phpbb.ajaxCallbacks.alt_text.call(this);
+
+	// Focus on the username textbox if it's available and displayed
+	if ($memberlistSearch.is(':visible')) {
+		$('#username').focus();
+	}
+	return false;
+});
+
+/**
+* Automatically resize textarea
+*/
+$(function() {
+	var $textarea = $('textarea:not(#message-box textarea, .no-auto-resize)');
+	phpbb.resizeTextArea($textarea, { minHeight: 75, maxHeight: 250 });
+	phpbb.resizeTextArea($('textarea', '#message-box'));
+});
+
+
+})(jQuery); // Avoid conflicts with other libraries