diff --git a/CHANGELOG.md b/CHANGELOG.md
index ad0936712..2d8b85475 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog Fab-manager
 
+## v5.3.12 2022 April 20
+
+- Auto sync projects to OpenLab if set openlab_app_id and openlab_app_secret
+- Fix a bug: back bouton can't return to previously page in projects page (list/new/show/edit)
+- Fix a bug: OpenLab duplicate projects, if you are using OpenLab Projects, please follow the following TODO DEPLOY
+- Fix a security issue: updated async to 2.6.4 to fix [CVE-2021-43138](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43138)
+- [TODO DEPLOY] `rails fablab:openlab:bulk_export`
+- [TODO DEPLOY] wait 1 minute
+- [TODO DEPLOY] `rails fablab:openlab:bulk_update`
+
 ## v5.3.11 2022 April 15
 
 - Fix a bug: unable to send notification mail if no set a logo
diff --git a/app/frontend/src/javascript/controllers/projects.js b/app/frontend/src/javascript/controllers/projects.js
index 7cd5c1bef..e1be57f41 100644
--- a/app/frontend/src/javascript/controllers/projects.js
+++ b/app/frontend/src/javascript/controllers/projects.js
@@ -287,7 +287,7 @@ Application.Controllers.controller('ProjectsController', ['$scope', '$state', 'P
     // Is openLab enabled on the instance?
     $scope.openlab = {
       projectsActive: openLabActive.isPresent,
-      searchOverWholeNetwork: false
+      searchOverWholeNetwork: settingsPromise.openlab_default === 'true'
     };
 
     // default search parameters
@@ -397,6 +397,20 @@ Application.Controllers.controller('ProjectsController', ['$scope', '$state', 'P
       return true;
     };
 
+    /**
+     * Overlap global function to allow the user to navigate to the previous screen
+     * If no previous $state were recorded, navigate to the project list page
+     */
+    $scope.backPrevLocation = function (event) {
+      event.preventDefault();
+      event.stopPropagation();
+      if ($state.prevState === '' || $state.prevState === 'app.public.projects_list') {
+        $state.prevState = 'app.public.home';
+        return $state.go($state.prevState, {});
+      }
+      window.history.back();
+    };
+
     /* PRIVATE SCOPE */
 
     /**
@@ -405,8 +419,10 @@ Application.Controllers.controller('ProjectsController', ['$scope', '$state', 'P
     const initialize = function () {
       if ($location.$$search.whole_network === 'f') {
         $scope.openlab.searchOverWholeNetwork = false;
+      } else if ($location.$$search.whole_network === undefined) {
+        $scope.openlab.searchOverWholeNetwork = $scope.openlab.projectsActive && settingsPromise.openlab_default === 'true';
       } else {
-        $scope.openlab.searchOverWholeNetwork = ($scope.openlab.projectsActive && settingsPromise.openlab_default === 'true') || false;
+        $scope.openlab.searchOverWholeNetwork = $scope.openlab.projectsActive;
       }
       return $scope.triggerSearch();
     };
@@ -472,6 +488,20 @@ Application.Controllers.controller('NewProjectController', ['$rootScope', '$scop
 
     $scope.matchingMembers = [];
 
+    /*
+     * Overlap global function to allow the user to navigate to the previous screen
+     * If no previous $state were recorded, navigate to the project list page
+     */
+    $scope.backPrevLocation = function (event) {
+      event.preventDefault();
+      event.stopPropagation();
+      if ($state.prevState === '') {
+        $state.prevState = 'app.public.projects_list';
+        return $state.go($state.prevState, {});
+      }
+      window.history.back();
+    };
+
     // Using the ProjectsController
     return new ProjectsController($rootScope, $scope, $state, Project, Machine, Member, Component, Theme, Licence, $document, Diacritics, dialogs, allowedExtensions, _t);
   }
@@ -500,6 +530,19 @@ Application.Controllers.controller('EditProjectController', ['$rootScope', '$sco
       });
     });
 
+    /**
+     * Overlap global function to allow the user to navigate to the previous screen
+     * If no previous $state were recorded, navigate to the project show page
+     */
+    $scope.backPrevLocation = function (event) {
+      event.preventDefault();
+      event.stopPropagation();
+      if ($state.prevState === '') {
+        $state.prevState = 'app.public.projects_show';
+      }
+      $state.go($state.prevState, { id: $transition$.params().id });
+    };
+
     /* PRIVATE SCOPE */
 
     /**
@@ -637,5 +680,19 @@ Application.Controllers.controller('ShowProjectController', ['$scope', '$state',
      * Return the URL allowing to share the current project on the Twitter social network
      */
     $scope.shareOnTwitter = function () { return `https://twitter.com/intent/tweet?url=${encodeURIComponent($state.href('app.public.projects_show', { id: $scope.project.slug }, { absolute: true }))}&text=${encodeURIComponent($scope.project.name)}`; };
+
+    /**
+     * Overlap global function to allow the user to navigate to the previous screen
+     * If no previous $state were recorded, navigate to the project list page
+     */
+    $scope.backPrevLocation = function (event) {
+      event.preventDefault();
+      event.stopPropagation();
+      if ($state.prevState === '') {
+        $state.prevState = 'app.public.projects_list';
+        return $state.go($state.prevState, {});
+      }
+      window.history.back();
+    };
   }
 ]);
diff --git a/app/services/setting_service.rb b/app/services/setting_service.rb
index 5b458cfb8..2a74fd1b9 100644
--- a/app/services/setting_service.rb
+++ b/app/services/setting_service.rb
@@ -23,5 +23,12 @@ class SettingService
 
     # generate statistics
     PeriodStatisticsWorker.perform_async(setting.previous_update) if setting.name == 'statistics_module' && setting.value == 'true'
+
+    # export projects to openlab
+    if %w[openlab_app_id openlab_app_secret].include? setting.name
+      if Setting.get('openlab_app_id').present? && Setting.get('openlab_app_secret').present?
+        Project.all.each { |pr| pr.openlab_create }
+      end
+    end
   end
 end
diff --git a/lib/tasks/fablab/openlab.rake b/lib/tasks/fablab/openlab.rake
index 41bcb7d1c..927593e14 100644
--- a/lib/tasks/fablab/openlab.rake
+++ b/lib/tasks/fablab/openlab.rake
@@ -5,13 +5,25 @@ namespace :fablab do
   namespace :openlab do
     desc 'bulk and export projects to openlab'
     task bulk_export: :environment do
-      if Setting.get('openlab_app_secret').present?
+      if Setting.get('openlab_app_id').present? && Setting.get('openlab_app_secret').present?
         Project.find_each do |project|
           project.openlab_create
           puts '-> Done'
         end
       else
-        warn "Openlab_app_secret was not configured. Export can't be done."
+        warn "openlab_app_id or openlab_app_secret was not configured. Export can't be done."
+      end
+    end
+
+    desc 'bulk update projects to openlab'
+    task bulk_update: :environment do
+      if Setting.get('openlab_app_id').present? && Setting.get('openlab_app_secret').present?
+        Project.find_each do |project|
+          project.openlab_update
+          puts '-> Done'
+        end
+      else
+        warn "openlab_app_id or openlab_app_secret was not configured. Update can't be done."
       end
     end
   end
diff --git a/package.json b/package.json
index bb6c118c0..d8b7e1f5c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "fab-manager",
-  "version": "5.3.11",
+  "version": "5.3.12",
   "description": "Fab-manager is the FabLab management solution. It provides a comprehensive, web-based, open-source tool to simplify your administrative tasks and your marker's projects.",
   "keywords": [
     "fablab",
diff --git a/yarn.lock b/yarn.lock
index 775bf3f83..76dca88dd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2230,9 +2230,9 @@ astral-regex@^1.0.0:
   integrity sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==
 
 async@^2.6.2:
-  version "2.6.3"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.6.3.tgz#d72625e2344a3656e3a3ad4fa749fa83299d82ff"
-  integrity sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==
+  version "2.6.4"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
+  integrity sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==
   dependencies:
     lodash "^4.17.14"