5 files changed, 26 insertions, 5 deletions
diff --git a/ext/bg/css/settings2.css b/ext/bg/css/settings2.css
index d25004bc..eeba5afc 100644
--- a/ext/bg/css/settings2.css
+++ b/ext/bg/css/settings2.css
@@ -2439,17 +2439,20 @@ code.anki-field-marker {
 :root[data-browser=chrome] [data-show-for-browser]:not([data-show-for-browser~=chrome]),
 :root[data-browser=firefox] [data-show-for-browser]:not([data-show-for-browser~=firefox]),
 :root[data-browser=firefox-mobile] [data-show-for-browser]:not([data-show-for-browser~=firefox-mobile]),
+:root[data-browser=edge] [data-hide-for-browser~=edge],
+:root[data-browser=edge-legacy] [data-hide-for-browser~=edge-legacy],
+:root[data-browser=chrome] [data-hide-for-browser~=chrome],
+:root[data-browser=firefox] [data-hide-for-browser~=firefox],
+:root[data-browser=firefox-mobile] [data-hide-for-browser~=firefox-mobile] {
+    display: none;
+}
+
 :root[data-os=mac] [data-show-for-os]:not([data-show-for-os~=mac]),
 :root[data-os=win] [data-show-for-os]:not([data-show-for-os~=win]),
 :root[data-os=android] [data-show-for-os]:not([data-show-for-os~=android]),
 :root[data-os=cros] [data-show-for-os]:not([data-show-for-os~=cros]),
 :root[data-os=linux] [data-show-for-os]:not([data-show-for-os~=linux]),
 :root[data-os=openbsd] [data-show-for-os]:not([data-show-for-os~=openbsd]),
-:root[data-browser=edge] [data-hide-for-browser~=edge],
-:root[data-browser=edge-legacy] [data-hide-for-browser~=edge-legacy],
-:root[data-browser=chrome] [data-hide-for-browser~=chrome],
-:root[data-browser=firefox] [data-hide-for-browser~=firefox],
-:root[data-browser=firefox-mobile] [data-hide-for-browser~=firefox-mobile],
 :root[data-os=mac] [data-hide-for-os~=mac],
 :root[data-os=win] [data-hide-for-os~=win],
 :root[data-os=android] [data-hide-for-os~=android],
@@ -2459,6 +2462,12 @@ code.anki-field-marker {
     display: none;
 }
 
+:root[data-manifest-version='2'] [data-show-for-manifest-version]:not([data-show-for-manifest-version~='2']),
+:root[data-manifest-version='3'] [data-show-for-manifest-version]:not([data-show-for-manifest-version~='3']),
+:root[data-manifest-version='2'] [data-hide-for-manifest-version~='2'],
+:root[data-manifest-version='3'] [data-hide-for-manifest-version~='3'] {
+    display: none;
+}
 
 /* Media-specific styles */
 @media (max-width: 800px), (hover: none) and (max-width: 1100px) {
diff --git a/ext/bg/js/generic-page-main.js b/ext/bg/js/generic-page-main.js
index 9102fec3..8e1b3c76 100644
--- a/ext/bg/js/generic-page-main.js
+++ b/ext/bg/js/generic-page-main.js
@@ -15,7 +15,13 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
+function setupEnvironmentInfo() {
+    const {manifest_version: manifestVersion} = chrome.runtime.getManifest();
+    document.documentElement.dataset.manifestVersion = `${manifestVersion}`;
+}
+
 (() => {
     document.querySelector('#content-scroll-focus').focus();
     document.documentElement.dataset.loaded = 'true';
+    setupEnvironmentInfo();
 })();
diff --git a/ext/bg/js/permissions-main.js b/ext/bg/js/permissions-main.js
index 3e46c3f2..a464f40e 100644
--- a/ext/bg/js/permissions-main.js
+++ b/ext/bg/js/permissions-main.js
@@ -20,9 +20,11 @@
  */
 
 async function setupEnvironmentInfo() {
+    const {manifest_version: manifestVersion} = chrome.runtime.getManifest();
     const {browser, platform} = await api.getEnvironmentInfo();
     document.documentElement.dataset.browser = browser;
     document.documentElement.dataset.os = platform.os;
+    document.documentElement.dataset.manifestVersion = `${manifestVersion}`;
 }
 
 async function isAllowedIncognitoAccess() {
diff --git a/ext/bg/js/settings2/settings-main.js b/ext/bg/js/settings2/settings-main.js
index f86764bc..6e6186e5 100644
--- a/ext/bg/js/settings2/settings-main.js
+++ b/ext/bg/js/settings2/settings-main.js
@@ -39,9 +39,11 @@
  */
 
 async function setupEnvironmentInfo() {
+    const {manifest_version: manifestVersion} = chrome.runtime.getManifest();
     const {browser, platform} = await api.getEnvironmentInfo();
     document.documentElement.dataset.browser = browser;
     document.documentElement.dataset.os = platform.os;
+    document.documentElement.dataset.manifestVersion = `${manifestVersion}`;
 }
 
 async function setupGenericSettingsController(genericSettingController) {
diff --git a/ext/bg/js/welcome-main.js b/ext/bg/js/welcome-main.js
index 504bd88b..8d43fdb0 100644
--- a/ext/bg/js/welcome-main.js
+++ b/ext/bg/js/welcome-main.js
@@ -28,9 +28,11 @@
  */
 
 async function setupEnvironmentInfo() {
+    const {manifest_version: manifestVersion} = chrome.runtime.getManifest();
     const {browser, platform} = await api.getEnvironmentInfo();
     document.documentElement.dataset.browser = browser;
     document.documentElement.dataset.os = platform.os;
+    document.documentElement.dataset.manifestVersion = `${manifestVersion}`;
 }
 
 async function setupGenericSettingsController(genericSettingController) {