From 5bf30662b91b7d5b4a2c48a035ca65c1299823e2 Mon Sep 17 00:00:00 2001
From: Marco Ciampini <marco.ciampo@gmail.com>
Date: Thu, 1 Sep 2022 17:57:59 +0200
Subject: [PATCH 1/2] Image URL Input: use new anchor prop for Popover

---
 .../src/components/url-popover/image-url-input-ui.js            | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/block-editor/src/components/url-popover/image-url-input-ui.js b/packages/block-editor/src/components/url-popover/image-url-input-ui.js
index f3680358c436a..de2d679202e0c 100644
--- a/packages/block-editor/src/components/url-popover/image-url-input-ui.js
+++ b/packages/block-editor/src/components/url-popover/image-url-input-ui.js
@@ -250,7 +250,7 @@ const ImageURLInputUI = ( {
 			/>
 			{ isOpen && (
 				<URLPopover
-					anchorRef={ buttonRef }
+					anchor={ buttonRef.current }
 					onFocusOutside={ onFocusOutside() }
 					onClose={ closeLinkUI }
 					renderSettings={ () => advancedOptions }

From d704b5b179e84eb4988294c7a2e0049671d1b553 Mon Sep 17 00:00:00 2001
From: Marco Ciampini <marco.ciampo@gmail.com>
Date: Fri, 2 Sep 2022 10:49:36 +0200
Subject: [PATCH 2/2] Prevent value from being `null`

---
 .../src/components/url-popover/image-url-input-ui.js           | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/block-editor/src/components/url-popover/image-url-input-ui.js b/packages/block-editor/src/components/url-popover/image-url-input-ui.js
index de2d679202e0c..142c24ed60d23 100644
--- a/packages/block-editor/src/components/url-popover/image-url-input-ui.js
+++ b/packages/block-editor/src/components/url-popover/image-url-input-ui.js
@@ -250,7 +250,8 @@ const ImageURLInputUI = ( {
 			/>
 			{ isOpen && (
 				<URLPopover
-					anchor={ buttonRef.current }
+					// `anchor` should never be `null`
+					anchor={ buttonRef.current ?? undefined }
 					onFocusOutside={ onFocusOutside() }
 					onClose={ closeLinkUI }
 					renderSettings={ () => advancedOptions }