diff --git a/i18n/cy.json b/i18n/cy.json
index 5ee941feb..9f13e6513 100644
--- a/i18n/cy.json
+++ b/i18n/cy.json
@@ -79,11 +79,18 @@
 	"notification-link-text-collapse-all": "Crebachu",
 	"notification-link-text-view-message": "Gweld y neges",
 	"notification-link-text-view-mention": "Gweld y crybwyll",
+	"notification-link-text-view-mention-failure": "{{PLURAL:$1|Gweld crybwyll|Gweld crybwylliadau}}",
 	"notification-link-text-view-changes": "{{GENDER:$1|Gweld}} y newidiadau",
 	"notification-link-text-view-page": "Gweld y dudalen",
+	"notification-header-edit-user-talk": "{{GENDER:$2|Gadawodd}} $1 neges ar <strong>{{GENDER:$3|eich}} tudalen sgwrs</strong>.",
+	"notification-header-edit-user-talk-with-section": "{{GENDER:$2|Gadawodd}} $1 neges ar <strong>{{GENDER:$3|eich}} tudalen sgwrs</strong> yn \"<strong>$4</strong>\".",
+	"notification-compact-header-edit-user-talk": "{{GENDER:$2|Gadawodd}} $1 neges i {{GENDER:$3|chi}}.",
+	"notification-compact-header-edit-user-talk-with-section": "{{GENDER:$2|Gadawodd}} $1 neges i {{GENDER:$3|chi}} yn \"<strong>$4</strong>\".",
+	"notification-compact-header-page-linked": "Wedi'i gysylltu o <strong>$1</strong>.",
 	"notification-link-text-what-links-here": "Pob dolen i'r dudalen hon",
 	"notification-compact-header-mention-failure-user-unknown": "<strong>Nid yw'r enw defnyddiwr ar gael:</strong> $1",
 	"notification-compact-header-mention-failure-user-anonymous": "<strong>Ni ellir crybwyll cyfeiriadau IP:</strong> $1",
+	"notification-compact-header-mention-success": "<strong>{{GENDER:$2|Rydych chi wedi crybwyll}}:</strong> $3",
 	"notification-header-welcome": "{{GENDER:$2|Croeso}} i {{SITENAME}}, $1! Rydym yn falch eich bod {{GENDER:$2|chi'n}} yma.",
 	"notification-welcome-linktext": "Croeso",
 	"notification-link-thank-you-edit": "{{GENDER:$1|Eich}} golygiad",
@@ -119,6 +126,7 @@
 	"echo-displaysnippet-title": "Hysbysiad newydd",
 	"echo-date-today": "Heddiw",
 	"echo-date-yesterday": "Ddoe",
+	"notification-bundle-header-edit-user-talk-v2": "Mae {{GENDER:$3|gennych}} {{PLURAL:$1|neges newydd|$1 neges newydd|100=99+ o negeseuon newydd}} ar <strong>{{GENDER:$3|eich}} tudalen sgwrs</strong>.",
 	"echo-email-batch-subject-daily": "Mae {{PLURAL:$2||hysbysiad|hysbysiadau}} newydd gennych ar {{SITENAME}}",
 	"echo-email-batch-subject-weekly": "Mae {{PLURAL:$2||hysbysiad|hysbysiadau}} newydd gennych yr wythnos hon ar {{SITENAME}}",
 	"echo-email-batch-body-intro-daily": "Annwyl $1,\nDyma grynodeb i chi o weithgaredd heddiw ar {{SITENAME}}.",
diff --git a/i18n/en-gb.json b/i18n/en-gb.json
new file mode 100644
index 000000000..ead08dbc8
--- /dev/null
+++ b/i18n/en-gb.json
@@ -0,0 +1,22 @@
+{
+	"@metadata": {
+		"authors": [
+			"Piano1forte2"
+		]
+	},
+	"echo-pref-notifications-page-linked-title-muted-list": "Do not display 'Page link' notifications for these pages. ([[mw:Special:MyLanguage/Help:Notifications#mute|learn more]])",
+	"notification-dynamic-actions-mute-page-linked": "{{GENDER:$2|Mute}} link notifications on '$1'",
+	"notification-dynamic-actions-mute-page-linked-confirmation": "'Page link' notifications are now disabled for the page '$1'",
+	"notification-dynamic-actions-unmute-page-linked": "{{GENDER:$2|Unmute}} link notifications on '$1'",
+	"notification-dynamic-actions-unmute-page-linked-confirmation": "'Page link' notifications are now enabled for the page '$1'",
+	"notification-dynamic-actions-unwatch": "{{GENDER:$3|Stop}} watching new activity on '$1'",
+	"notification-dynamic-actions-unwatch-confirmation": "{{GENDER:$3|You}} are no longer watching the page '$1'",
+	"notification-dynamic-actions-watch": "{{GENDER:$3|Follow}} new activity on '$1'",
+	"notification-dynamic-actions-watch-confirmation": "{{GENDER:$3|You}} are now watching the page '$1'",
+	"notification-header-edit-user-talk-with-section": "$1 {{GENDER:$2|left}} a message on <strong>{{GENDER:$3|your}} talk page</strong> in '<strong>$4</strong>'.",
+	"notification-compact-header-edit-user-talk-with-section": "$1 {{GENDER:$2|left}} {{GENDER:$3|you}} a message in '<strong>$4</strong>'.",
+	"notification-header-mention-other": "$1 {{GENDER:$2|mentioned}} {{GENDER:$3|you}} on <strong>$4</strong> in '<strong>$5</strong>'.",
+	"notification-header-mention-user-talkpage-v2": "$1 {{GENDER:$2|mentioned}} {{GENDER:$3|you}} on the <strong>user talk page {{GENDER:$5|of}} $4</strong> in '<strong>$6</strong>'.",
+	"notification-header-mention-agent-talkpage": "$1 {{GENDER:$2|mentioned}} {{GENDER:$3|you}} on <strong>{{GENDER:$2|his|her|their}} talk page</strong> in '<strong>$4</strong>'.",
+	"notification-header-mention-article-talkpage": "$1 {{GENDER:$2|mentioned}} {{GENDER:$3|you}} on the <strong>$4</strong> talk page in '<strong>$5</strong>'."
+}