diff --git a/core/modules/image/config/image.style.large.yml b/core/modules/image/config/image.style.large.yml
index 012af17..ada3d29 100644
--- a/core/modules/image/config/image.style.large.yml
+++ b/core/modules/image/config/image.style.large.yml
@@ -9,3 +9,4 @@ effects:
       upscale: '1'
     weight: '0'
     ieid: ddd73aa7-4bd6-4c85-b600-bdf2b1628d1d
+langcode: en
diff --git a/core/modules/image/config/image.style.medium.yml b/core/modules/image/config/image.style.medium.yml
index 941ab85..ce9e1bd 100644
--- a/core/modules/image/config/image.style.medium.yml
+++ b/core/modules/image/config/image.style.medium.yml
@@ -9,3 +9,4 @@ effects:
       upscale: '1'
     weight: '0'
     ieid: bddf0d06-42f9-4c75-a700-a33cafa25ea0
+langcode: en
diff --git a/core/modules/image/config/image.style.thumbnail.yml b/core/modules/image/config/image.style.thumbnail.yml
index a454200..f89bf0d 100644
--- a/core/modules/image/config/image.style.thumbnail.yml
+++ b/core/modules/image/config/image.style.thumbnail.yml
@@ -9,3 +9,4 @@ effects:
       upscale: '1'
     weight: '0'
     ieid: 1cfec298-8620-4749-b100-ccb6c4500779
+langcode: en
diff --git a/core/modules/menu/config/menu.menu.account.yml b/core/modules/menu/config/menu.menu.account.yml
index 6be2706..3143c4e 100644
--- a/core/modules/menu/config/menu.menu.account.yml
+++ b/core/modules/menu/config/menu.menu.account.yml
@@ -1,3 +1,4 @@
 id: account
 label: User account menu
 description: Links related to the user account.
+langcode: en
diff --git a/core/modules/menu/config/menu.menu.admin.yml b/core/modules/menu/config/menu.menu.admin.yml
index 5435da5..ba94fc3 100644
--- a/core/modules/menu/config/menu.menu.admin.yml
+++ b/core/modules/menu/config/menu.menu.admin.yml
@@ -1,3 +1,4 @@
 id: admin
 label: Administration
 description: Contains links to administrative tasks.
+langcode: en
diff --git a/core/modules/menu/config/menu.menu.footer.yml b/core/modules/menu/config/menu.menu.footer.yml
index 9dda784..d671599 100644
--- a/core/modules/menu/config/menu.menu.footer.yml
+++ b/core/modules/menu/config/menu.menu.footer.yml
@@ -1,3 +1,4 @@
 id: footer
 label: Footer
 description: Use this for linking to site information.
+langcode: en
diff --git a/core/modules/menu/config/menu.menu.main.yml b/core/modules/menu/config/menu.menu.main.yml
index 3dfe975..29be82d 100644
--- a/core/modules/menu/config/menu.menu.main.yml
+++ b/core/modules/menu/config/menu.menu.main.yml
@@ -1,3 +1,4 @@
 id: main
 label: Main navigation
 description: Use this for linking to the main site sections.
+langcode: en
diff --git a/core/modules/menu/config/menu.menu.tools.yml b/core/modules/menu/config/menu.menu.tools.yml
index 3f15287..3971eea 100644
--- a/core/modules/menu/config/menu.menu.tools.yml
+++ b/core/modules/menu/config/menu.menu.tools.yml
@@ -1,3 +1,4 @@
 id: tools
 label: Tools
 description: Contains links for site visitors. Some modules add their links here.
+langcode: en
diff --git a/core/modules/views/config/views.view.archive.yml b/core/modules/views/config/views.view.archive.yml
index c30016d..660e4d1 100644
--- a/core/modules/views/config/views.view.archive.yml
+++ b/core/modules/views/config/views.view.archive.yml
@@ -1,3 +1,4 @@
+langcode: en
 status: '0'
 module: node
 id: archive
diff --git a/core/modules/views/config/views.view.backlinks.yml b/core/modules/views/config/views.view.backlinks.yml
index a2372a9..08fbe95 100644
--- a/core/modules/views/config/views.view.backlinks.yml
+++ b/core/modules/views/config/views.view.backlinks.yml
@@ -1,3 +1,4 @@
+langcode: en
 status: '0'
 module: search
 id: backlinks
diff --git a/core/modules/views/config/views.view.comments_recent.yml b/core/modules/views/config/views.view.comments_recent.yml
index 2a5286d..f71d671 100644
--- a/core/modules/views/config/views.view.comments_recent.yml
+++ b/core/modules/views/config/views.view.comments_recent.yml
@@ -1,3 +1,4 @@
+langcode: en
 status: '0'
 module: comment
 id: comments_recent
diff --git a/core/modules/views/config/views.view.frontpage.yml b/core/modules/views/config/views.view.frontpage.yml
index 638387c..121bd2f 100644
--- a/core/modules/views/config/views.view.frontpage.yml
+++ b/core/modules/views/config/views.view.frontpage.yml
@@ -1,3 +1,4 @@
+langcode: en
 status: '0'
 module: node
 id: frontpage
diff --git a/core/modules/views/config/views.view.glossary.yml b/core/modules/views/config/views.view.glossary.yml
index 071ba33..82f5c65 100644
--- a/core/modules/views/config/views.view.glossary.yml
+++ b/core/modules/views/config/views.view.glossary.yml
@@ -1,3 +1,4 @@
+langcode: en
 status: '0'
 module: node
 id: glossary
diff --git a/core/modules/views/config/views.view.taxonomy_term.yml b/core/modules/views/config/views.view.taxonomy_term.yml
index 652a6c0..0cfeff2 100644
--- a/core/modules/views/config/views.view.taxonomy_term.yml
+++ b/core/modules/views/config/views.view.taxonomy_term.yml
@@ -1,3 +1,4 @@
+langcode: en
 status: '0'
 module: taxonomy
 id: taxonomy_term
diff --git a/core/modules/views/config/views.view.tracker.yml b/core/modules/views/config/views.view.tracker.yml
index 79b7d66..eb37ba7 100644
--- a/core/modules/views/config/views.view.tracker.yml
+++ b/core/modules/views/config/views.view.tracker.yml
@@ -1,3 +1,4 @@
+langcode: en
 status: '0'
 module: node
 id: tracker
diff --git a/core/profiles/standard/config/block.block.bartik.content.yml b/core/profiles/standard/config/block.block.bartik.content.yml
index 7f1a9f8..fd53c61 100644
--- a/core/profiles/standard/config/block.block.bartik.content.yml
+++ b/core/profiles/standard/config/block.block.bartik.content.yml
@@ -18,4 +18,4 @@ label: ''
 module: system
 region: content
 weight: '0'
-langcode: und
+langcode: en
diff --git a/core/profiles/standard/config/block.block.bartik.footer.yml b/core/profiles/standard/config/block.block.bartik.footer.yml
index 4496313..194a598 100644
--- a/core/profiles/standard/config/block.block.bartik.footer.yml
+++ b/core/profiles/standard/config/block.block.bartik.footer.yml
@@ -18,4 +18,4 @@ visibility:
 module: system
 region: footer
 weight: '0'
-langcode: und
+langcode: en
diff --git a/core/profiles/standard/config/block.block.bartik.help.yml b/core/profiles/standard/config/block.block.bartik.help.yml
index 58d10a3..89814c9 100644
--- a/core/profiles/standard/config/block.block.bartik.help.yml
+++ b/core/profiles/standard/config/block.block.bartik.help.yml
@@ -18,4 +18,4 @@ label: ''
 module: system
 region: help
 weight: '0'
-langcode: und
+langcode: en
diff --git a/core/profiles/standard/config/block.block.bartik.login.yml b/core/profiles/standard/config/block.block.bartik.login.yml
index 21d73d8..8bb0bbd 100644
--- a/core/profiles/standard/config/block.block.bartik.login.yml
+++ b/core/profiles/standard/config/block.block.bartik.login.yml
@@ -19,4 +19,4 @@ module: user
 region: sidebar_first
 weight: '0'
 plugin: user_login_block
-langcode: und
+langcode: en
diff --git a/core/profiles/standard/config/block.block.bartik.powered.yml b/core/profiles/standard/config/block.block.bartik.powered.yml
index 446e51a..9c54359 100644
--- a/core/profiles/standard/config/block.block.bartik.powered.yml
+++ b/core/profiles/standard/config/block.block.bartik.powered.yml
@@ -18,4 +18,4 @@ label: ''
 module: system
 region: footer
 weight: '10'
-langcode: und
+langcode: en
diff --git a/core/profiles/standard/config/block.block.bartik.search.yml b/core/profiles/standard/config/block.block.bartik.search.yml
index 3dcda34..bd43d51 100644
--- a/core/profiles/standard/config/block.block.bartik.search.yml
+++ b/core/profiles/standard/config/block.block.bartik.search.yml
@@ -18,4 +18,4 @@ label: 'Search'
 module: search
 region: sidebar_first
 weight: '-1'
-langcode: und
+langcode: en
diff --git a/core/profiles/standard/config/block.block.bartik.tools.yml b/core/profiles/standard/config/block.block.bartik.tools.yml
index 44e3aeb..ff2c634 100644
--- a/core/profiles/standard/config/block.block.bartik.tools.yml
+++ b/core/profiles/standard/config/block.block.bartik.tools.yml
@@ -18,4 +18,4 @@ label: 'Tools'
 module: system
 region: sidebar_first
 weight: '0'
-langcode: und
+langcode: en
diff --git a/core/profiles/standard/config/block.block.seven.content.yml b/core/profiles/standard/config/block.block.seven.content.yml
index 675f718..11f76a9 100644
--- a/core/profiles/standard/config/block.block.seven.content.yml
+++ b/core/profiles/standard/config/block.block.seven.content.yml
@@ -18,4 +18,4 @@ label: ''
 module: system
 region: content
 weight: '0'
-langcode: und
+langcode: en
diff --git a/core/profiles/standard/config/block.block.seven.help.yml b/core/profiles/standard/config/block.block.seven.help.yml
index 72c4509..9a29775 100644
--- a/core/profiles/standard/config/block.block.seven.help.yml
+++ b/core/profiles/standard/config/block.block.seven.help.yml
@@ -18,4 +18,4 @@ label: ''
 module: system
 region: help
 weight: '0'
-langcode: und
+langcode: en
diff --git a/core/profiles/standard/config/block.block.seven.login.yml b/core/profiles/standard/config/block.block.seven.login.yml
index c35ba59..8e89cd0 100644
--- a/core/profiles/standard/config/block.block.seven.login.yml
+++ b/core/profiles/standard/config/block.block.seven.login.yml
@@ -18,4 +18,4 @@ label: 'User login'
 module: user
 region: content
 weight: '10'
-langcode: und
+langcode: en
diff --git a/core/profiles/standard/config/filter.format.filtered_html.yml b/core/profiles/standard/config/filter.format.filtered_html.yml
index 11623fe..e37e676 100644
--- a/core/profiles/standard/config/filter.format.filtered_html.yml
+++ b/core/profiles/standard/config/filter.format.filtered_html.yml
@@ -19,4 +19,4 @@ filters:
   filter_htmlcorrector:
     module: filter
     status: '1'
-langcode: und
+langcode: en
diff --git a/core/profiles/standard/config/filter.format.full_html.yml b/core/profiles/standard/config/filter.format.full_html.yml
index 26ff727..5c2a7a0 100644
--- a/core/profiles/standard/config/filter.format.full_html.yml
+++ b/core/profiles/standard/config/filter.format.full_html.yml
@@ -15,4 +15,4 @@ filters:
   filter_htmlcorrector:
     module: filter
     status: '1'
-langcode: und
+langcode: en
diff --git a/core/profiles/standard/config/user.role.administrator.yml b/core/profiles/standard/config/user.role.administrator.yml
index 71187f9..282e88c 100644
--- a/core/profiles/standard/config/user.role.administrator.yml
+++ b/core/profiles/standard/config/user.role.administrator.yml
@@ -1,3 +1,4 @@
 id: administrator
 label: Administrator
 weight: 2
+langcode: en