diff --git a/.github/workflows/coding-standards.yml b/.github/workflows/coding-standards.yml
index e9a2359b7..e31b45591 100644
--- a/.github/workflows/coding-standards.yml
+++ b/.github/workflows/coding-standards.yml
@@ -51,7 +51,7 @@ jobs:
     # Defines the WordPress and PHP Versions matrix to run tests on.
     strategy:
       matrix:
-        wp-versions: [ 'latest' ] #[ '6.1.1', 'latest' ]
+        wp-versions: [ '7.1-RC1' ] #[ '6.1.1', 'latest' ]
         php-versions: [ '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4' ] #[ '7.3', '7.4', '8.0', '8.1' ]
 
     # Steps to install, configure and run tests
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 1e6581ad2..c82e1a1e8 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -32,7 +32,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        wp-version: [ 'latest' ]
+        wp-version: [ '7.1-RC1' ]
         php-version: [ '8.1', '8.2', '8.3', '8.4' ]
         test-group:
           - 'EndToEnd/broadcasts/blocks-shortcodes'
diff --git a/tests/EndToEnd/general/plugin-screens/PluginSettingsFormEntriesCest.php b/tests/EndToEnd/general/plugin-screens/PluginSettingsFormEntriesCest.php
index 301eef3fd..8adfb8f74 100644
--- a/tests/EndToEnd/general/plugin-screens/PluginSettingsFormEntriesCest.php
+++ b/tests/EndToEnd/general/plugin-screens/PluginSettingsFormEntriesCest.php
@@ -462,8 +462,8 @@ public function testFormEntriesTableDeleteBulkAction(EndToEndTester $I)
 		$I->waitForElementNotVisible('input#convertkit_form_entries_per_page');
 
 		// Select the first two entries.
-		$I->checkOption('tbody#the-list tr:first-child th.check-column input[type="checkbox"]');
-		$I->checkOption('tbody#the-list tr:nth-child(2) th.check-column input[type="checkbox"]');
+		$I->checkOption('tbody#the-list tr:first-child .check-column input[type="checkbox"]');
+		$I->checkOption('tbody#the-list tr:nth-child(2) .check-column input[type="checkbox"]');
 
 		// Click Delete.
 		$I->selectOption('#bulk-action-selector-top', 'Delete');
diff --git a/tests/EndToEnd/general/plugin-screens/PluginSetupWizardCest.php b/tests/EndToEnd/general/plugin-screens/PluginSetupWizardCest.php
index 33ed640af..de00f95b9 100644
--- a/tests/EndToEnd/general/plugin-screens/PluginSetupWizardCest.php
+++ b/tests/EndToEnd/general/plugin-screens/PluginSetupWizardCest.php
@@ -53,7 +53,7 @@ public function testSetupWizardDoesNotDisplayWhenConfigured(EndToEndTester $I)
 		$I->waitForElementVisible('table.plugins tr[data-slug=convertkit].active');
 
 		// Click Setup Wizard link underneath the Plugin in the WP_List_Table.
-		$I->click('tr[data-slug="convertkit"] td div.row-actions span.setup_wizard a');
+		$I->click('tr[data-slug="convertkit"] .row-actions span.setup_wizard a');
 	}
 
 	/**
@@ -665,7 +665,7 @@ public function testSetupWizardLinkOnPluginsScreen(EndToEndTester $I)
 		$I->waitForElementVisible('body.plugins-php');
 
 		// Click Setup Wizard link underneath the Plugin in the WP_List_Table.
-		$I->click('tr[data-slug="convertkit"] td div.row-actions span.setup_wizard a');
+		$I->click('tr[data-slug="convertkit"] .row-actions span.setup_wizard a');
 
 		// Confirm expected setup wizard screen is displayed.
 		$this->_seeExpectedSetupWizardScreen(
diff --git a/tests/Support/Helper/Divi5Theme.php b/tests/Support/Helper/Divi5Theme.php
index 344bcdab9..78cd4fe53 100644
--- a/tests/Support/Helper/Divi5Theme.php
+++ b/tests/Support/Helper/Divi5Theme.php
@@ -40,9 +40,19 @@ public function createDivi5Page($I, $title)
 		// Edit Page.
 		$I->amOnPage('/wp-admin/post.php?post=' . $pageID . '&action=edit');
 
+		// Switch to the Gutenberg IFrame.
+		if ($I->isGutenbergIFrameEditorEnabled()) {
+			$I->switchToGutenbergIFrameEditor($I);
+		}
+
 		// Click "Use The Divi Builder" button.
 		$I->click('#et-switch-to-divi');
 
+		// Switch back to main window.
+		if ($I->isGutenbergIFrameEditorEnabled()) {
+			$I->switchToIFrame();
+		}
+
 		// Wait for Divi Builder to load.
 		$I->waitForElementVisible('body.et_pb_pagebuilder_layout');
 	}
diff --git a/tests/Support/Helper/ThirdPartyPlugin.php b/tests/Support/Helper/ThirdPartyPlugin.php
index eb1d29141..93c91205e 100644
--- a/tests/Support/Helper/ThirdPartyPlugin.php
+++ b/tests/Support/Helper/ThirdPartyPlugin.php
@@ -43,7 +43,7 @@ public function activateThirdPartyPlugin($I, $name, $wizardExpectsToDisplay = tr
 
 			default:
 				// Activate the Plugin.
-				$I->checkOption('//*[@data-slug="' . $name . '"]/th/input');
+				$I->checkOption('//*[@data-slug="' . $name . '"]//input[@type="checkbox"]');
 				$I->selectOption('action', 'activate-selected');
 				$I->click('#doaction');
 				break;
@@ -114,7 +114,7 @@ public function deactivateThirdPartyPlugin($I, $name)
 
 			default:
 				// Deactivate the Plugin.
-				$I->checkOption('//*[@data-slug="' . $name . '"]/th/input');
+				$I->checkOption('//*[@data-slug="' . $name . '"]//input[@type="checkbox"]');
 				$I->selectOption('action', 'deactivate-selected');
 				$I->click('#doaction');
 				break;
diff --git a/tests/Support/Helper/WPGutenberg.php b/tests/Support/Helper/WPGutenberg.php
index a892f4d29..a4d9d4b2a 100644
--- a/tests/Support/Helper/WPGutenberg.php
+++ b/tests/Support/Helper/WPGutenberg.php
@@ -33,9 +33,15 @@ public function isGutenbergIFrameEditorEnabled()
 	 */
 	public function switchToGutenbergIFrameEditor($I)
 	{
-		// Don't switch if the iframe doesn't exist e.g. Divi is active, which prevents
-		// the iframe block editor in WordPress 7.0+ from being used.
-		if ( ! $I->tryToSeeElement('iframe[name="editor-canvas"]')) {
+		// Wait for the iframe to mount. In WordPress 7.1+ the editor iframe
+		// can take longer to appear in the DOM than a tryToSeeElement()
+		// check, causing the switch to be silently skipped. Catch the timeout
+		// so that environments which intentionally have no iframe (e.g. Divi
+		// is active, which prevents the iframe block editor from being used)
+		// still fall through to the non-iframe path.
+		try {
+			$I->waitForElement('iframe[name="editor-canvas"]', 10);
+		} catch (\Facebook\WebDriver\Exception\TimeoutException $e) {
 			return;
 		}
 
@@ -123,7 +129,7 @@ public function addGutenbergBlock($I, $blockName, $blockProgrammaticName, $block
 			// Also add last segment after slash, for compatibility with older WordPress versions.
 			$parts = explode('/', $blockProgrammaticName);
 			if (count($parts) === 2) {
-				$potentialNames[] = $parts[1];
+				array_unshift($potentialNames, $parts[1]);
 			}
 		}
 
@@ -215,22 +221,15 @@ public function addGutenbergBlock($I, $blockName, $blockProgrammaticName, $block
 	 */
 	public function addGutenbergParagraphBlock($I, $text)
 	{
-		// Add paragraph block.
-		$I->addGutenbergBlock($I, 'Paragraph', 'paragraph/paragraph');
-
-		// Switch to the Gutenberg IFrame.
-		if ($this->isGutenbergIFrameEditorEnabled()) {
-			$I->switchToGutenbergIFrameEditor($I);
-		}
-
-		// Click the editor area and enter the text in the paragraph.
-		$I->click('.wp-block-post-content');
-		$I->fillField('.wp-block-post-content p[data-empty="true"]', $text);
-
-		// Switch back to main window.
-		if ($this->isGutenbergIFrameEditorEnabled()) {
-			$I->switchToIFrame();
-		}
+		// Programmatically insert a Paragraph block with the given content via
+		// Gutenberg's data store. Bypasses the block inserter + click +
+		// fillField sequence that WP 7.1's iframed editor makes unreliable.
+		// Resolve whichever window has it before dispatching.
+		$I->executeJS(
+			'var w = (typeof wp !== "undefined" && wp.data) ? window : (document.querySelector("iframe[name=\"editor-canvas\"]") || {}).contentWindow;' .
+			'w.wp.data.dispatch("core/block-editor").insertBlock(w.wp.blocks.createBlock("core/paragraph", {content: arguments[0]}));',
+			[ $text ]
+		);
 	}
 
 	/**
@@ -402,12 +401,18 @@ public function seeGutenbergBlockAvailable($I, $blockName, $blockProgrammaticNam
 		$I->wait(2);
 
 		// Build potential programmatic block names.
+		// Try the short name (last segment after any `/`) FIRST — modern
+		// WordPress uses a class like `editor-block-list-item-paragraph`,
+		// which matches via a fast CSS selector. The full `paragraph/paragraph`
+		// form only matches an XPath that DOM classes can never satisfy (CSS
+		// classes can't contain `/`), so leaving it first burned the full
+		// waitForElementVisible timeout on every insertion.
 		$potentialNames = [ $blockProgrammaticName ];
 		if (strpos($blockProgrammaticName, '/') !== false) {
 			// Also add last segment after slash, for compatibility with older WordPress versions.
 			$parts = explode('/', $blockProgrammaticName);
 			if (count($parts) === 2) {
-				$potentialNames[] = $parts[1];
+				array_unshift($potentialNames, $parts[1]);
 			}
 		}