diff --git a/Gemfile b/Gemfile
index 7e4d12c8e..345f8031f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -88,7 +88,8 @@ gem 'groupdate'
 
 gem 'bootstrap-wysihtml5-rails', '~> 0.3.3.8'
 
-gem 'spreadsheet_architect', '~> 1.4.8' # https://github.com/westonganger/spreadsheet_architect/issues/14
+gem 'spreadsheet_architect'
+gem 'axlsx', '~> 3.0.0.pre' # https://github.com/randym/axlsx/issues/501#issuecomment-373640365
 
 gem 'apipie-rails'
 # For Markdown support in apipie
diff --git a/Gemfile.lock b/Gemfile.lock
index 94942b01a..3b718b9fd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -96,10 +96,14 @@ GEM
     attr_required (1.0.1)
     autoprefixer-rails (8.3.0)
       execjs
-    axlsx (2.0.1)
-      htmlentities (~> 4.3.1)
-      nokogiri (>= 1.4.1)
-      rubyzip (~> 1.0.0)
+    axlsx (3.0.0.pre)
+      htmlentities (~> 4.3, >= 4.3.4)
+      mimemagic (~> 0.3)
+      nokogiri (~> 1.8, >= 1.8.2)
+      rubyzip (~> 1.2, >= 1.2.1)
+    axlsx_styler (0.2.0)
+      activesupport (>= 3.1)
+      axlsx (>= 2.0, < 4)
     bcrypt (3.1.12)
     bindata (2.4.3)
     bindex (0.5.0)
@@ -632,10 +636,10 @@ GEM
     rgeo (1.0.0)
     rgeo-geojson (2.0.0)
       rgeo (~> 1.0)
-    rodf (0.3.7)
-      activesupport (>= 3.0, < 6.0)
-      builder (~> 3.0)
-      rubyzip (~> 1.0)
+    rodf (1.0.0)
+      activesupport (>= 3.0)
+      builder (>= 3.0)
+      rubyzip (>= 1.0)
     rspec (3.7.0)
       rspec-core (~> 3.7.0)
       rspec-expectations (~> 3.7.0)
@@ -673,7 +677,7 @@ GEM
     ruby_dep (1.5.0)
     ruby_parser (3.11.0)
       sexp_processor (~> 4.9)
-    rubyzip (1.0.0)
+    rubyzip (1.2.2)
     safe_yaml (1.0.4)
     sanitize-url (0.1.4)
     sass (3.5.6)
@@ -722,9 +726,10 @@ GEM
       jquery-rails
       kaminari (>= 0.17)
       rails (>= 3.2)
-    spreadsheet_architect (1.4.8)
-      axlsx (>= 2.0)
-      rodf (= 0.3.7)
+    spreadsheet_architect (3.1.0)
+      axlsx (>= 2, < 4)
+      axlsx_styler (>= 0.1.7, < 2)
+      rodf (>= 1.0.0, < 2)
     spring (2.0.2)
       activesupport (>= 4.2)
     spring-commands-rspec (1.0.4)
@@ -809,6 +814,7 @@ DEPENDENCIES
   administrate
   after_party
   apipie-rails
+  axlsx (~> 3.0.0.pre)
   bootstrap-sass (~> 3.3.5)
   bootstrap-wysihtml5-rails (~> 0.3.3.8)
   brakeman
@@ -885,7 +891,7 @@ DEPENDENCIES
   simple_form
   skylight
   smart_listing
-  spreadsheet_architect (~> 1.4.8)
+  spreadsheet_architect
   spring
   spring-commands-rspec
   therubyracer
@@ -902,4 +908,4 @@ DEPENDENCIES
   xray-rails
 
 BUNDLED WITH
-   1.16.2
+   1.16.3
diff --git a/app/assets/javascripts/old_design/admin_procedures_modal.js b/app/assets/javascripts/old_design/admin_procedures_modal.js
index a2076e174..d02923e37 100644
--- a/app/assets/javascripts/old_design/admin_procedures_modal.js
+++ b/app/assets/javascripts/old_design/admin_procedures_modal.js
@@ -1,10 +1,12 @@
 $(document).on('turbolinks:load', init_path_modal);
 
+var PROCEDURE_PATH_SELECTOR = 'input[data-autocomplete=path]';
+
 function init_path_modal() {
   path_modal_action();
   path_validation_action();
   path_type_init();
-  path_validation($("input[id='procedure_path']"));
+  path_validation($(PROCEDURE_PATH_SELECTOR));
 }
 
 function path_modal_action() {
@@ -22,7 +24,7 @@ function path_modal_action() {
 }
 
 function path_validation_action() {
-  $("input[id='procedure_path']").keyup(function (key) {
+  $(PROCEDURE_PATH_SELECTOR).keyup(function (key) {
     if (key.keyCode != 13)
       path_validation(this);
   });
@@ -57,7 +59,7 @@ function validatePath(path) {
 }
 
 function path_type_init() {
-  $('#procedure_path').bind('autocomplete:select', function(ev, suggestion) {
+  $(PROCEDURE_PATH_SELECTOR).bind('autocomplete:select', function(ev, suggestion) {
     togglePathMessage(true, suggestion['mine']);
   });
 }
diff --git a/app/javascript/packs/application-old.js b/app/javascript/packs/application-old.js
index 5bd38c5ea..44fa321c8 100644
--- a/app/javascript/packs/application-old.js
+++ b/app/javascript/packs/application-old.js
@@ -12,6 +12,7 @@ import '../shared/sentry';
 import '../shared/rails-ujs-fix';
 import '../shared/safari-11-file-xhr-workaround';
 import '../shared/autocomplete';
+import '../shared/remote-input';
 
 // Start Rails helpers
 Rails.start();
diff --git a/app/javascript/packs/application.js b/app/javascript/packs/application.js
index 563e8a386..64c5c01c7 100644
--- a/app/javascript/packs/application.js
+++ b/app/javascript/packs/application.js
@@ -14,6 +14,7 @@ import '../shared/sentry';
 import '../shared/rails-ujs-fix';
 import '../shared/safari-11-file-xhr-workaround';
 import '../shared/autocomplete';
+import '../shared/remote-input';
 
 import '../new_design/buttons';
 import '../new_design/form-validation';
diff --git a/app/javascript/shared/remote-input.js b/app/javascript/shared/remote-input.js
new file mode 100644
index 000000000..d03e69640
--- /dev/null
+++ b/app/javascript/shared/remote-input.js
@@ -0,0 +1,24 @@
+import Rails from 'rails-ujs';
+import debounce from 'debounce';
+
+const { delegate, fire } = Rails;
+
+const remote = 'data-remote';
+const inputChangeSelector = `input[${remote}], textarea[${remote}]`;
+
+// This is a patch for ujs remote handler. Its purpose is to add
+// a debounced input listener.
+function handleRemote(event) {
+  const element = this;
+
+  if (isRemote(element)) {
+    fire(element, 'change', event);
+  }
+}
+
+function isRemote(element) {
+  const value = element.getAttribute(remote);
+  return value && value !== 'false';
+}
+
+delegate(document, inputChangeSelector, 'input', debounce(handleRemote, 200));
diff --git a/app/views/accessibilite/index.html.haml b/app/views/accessibilite/index.html.haml
index 0923c5d65..adcdbb3d9 100644
--- a/app/views/accessibilite/index.html.haml
+++ b/app/views/accessibilite/index.html.haml
@@ -9,7 +9,7 @@
 
   %h2.new-h2 Signaler un dysfonctionnement
   %p.new-p
-    = "Si, malgré notre vigilance, vous rencontriez le moindre problème d’accessibilité sur notre site, n’hésitez pas à #{contact_link('nous écrire', tags: 'a11y')}."
+    Si, malgré notre vigilance, vous rencontriez le moindre problème d’accessibilité sur notre site, n’hésitez pas à #{contact_link('nous écrire', tags: 'a11y')}.
 
   %h2.new-h2 Défenseur des droits
   %p.new-p
diff --git a/package.json b/package.json
index 2e512ce4a..b68dcd7ed 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,7 @@
     "activestorage": "^5.2.0",
     "autocomplete.js": "^0.31.0",
     "chartkick": "^2.3.6",
+    "debounce": "^1.2.0",
     "highcharts": "^6.1.1",
     "jquery": "^3.3.1",
     "leaflet": "^1.3.1",
diff --git a/yarn.lock b/yarn.lock
index f09c468b5..72a33df3d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2137,6 +2137,10 @@ dateformat@^3.0.3:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-3.0.3.tgz#a6e37499a4d9a9cf85ef5872044d62901c9889ae"
 
+debounce@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/debounce/-/debounce-1.2.0.tgz#44a540abc0ea9943018dc0eaa95cce87f65cd131"
+
 debug@2.6.9, debug@^2.1.2, debug@^2.2.0, debug@^2.3.3, debug@^2.6.6, debug@^2.6.8, debug@^2.6.9:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"