From dcb6923cdfe9e0cdc279c74e23c3cb6bb30c8690 Mon Sep 17 00:00:00 2001
From: Florian Lefebvre <contact@florian-lefebvre.dev>
Date: Wed, 12 Nov 2025 11:37:49 +0100
Subject: [PATCH 1/3] chore(astro)!: remove app.setManifestData()

---
 src/content/docs/en/guides/upgrade-to/v6.mdx | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/content/docs/en/guides/upgrade-to/v6.mdx b/src/content/docs/en/guides/upgrade-to/v6.mdx
index 19f0edd3b4235..08a36df7cafca 100644
--- a/src/content/docs/en/guides/upgrade-to/v6.mdx
+++ b/src/content/docs/en/guides/upgrade-to/v6.mdx
@@ -453,6 +453,20 @@ app.render(request, { routeData, locals })
 
 <ReadMore>Learn more about the [Adapter API](/en/reference/adapter-reference/).</ReadMore>
 
+### Removed: `app.setManifestData()` (Adapter API)
+
+<SourcePR number="14758" title="chore(astro)!: remove app.setManifestData()"/>
+
+In Astro 5.0, the `app.setManifestData()` method was available on `App` and `NodeApp`, but was never used nor useful.
+
+Astro 6.0 removes this method entirely.
+
+#### What should I do?
+
+Remove any call to `app.setManifestData()`.
+
+<ReadMore>Learn more about the [Adapter API](/en/reference/adapter-reference/).</ReadMore>
+
 ### Removed: `handleForms` prop for the `<ClientRouter />` component
 
 <SourcePR number="14462" title="feat: clean deprecated APIs"/>

From 2609a889d2a061b2cd6a47af73d2dbe679fd9a23 Mon Sep 17 00:00:00 2001
From: Florian Lefebvre <contact@florian-lefebvre.dev>
Date: Wed, 12 Nov 2025 13:54:05 +0100
Subject: [PATCH 2/3] Update src/content/docs/en/guides/upgrade-to/v6.mdx

Co-authored-by: Sarah Rainsberger <5098874+sarah11918@users.noreply.github.com>
---
 src/content/docs/en/guides/upgrade-to/v6.mdx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/content/docs/en/guides/upgrade-to/v6.mdx b/src/content/docs/en/guides/upgrade-to/v6.mdx
index 08a36df7cafca..13359dbed5822 100644
--- a/src/content/docs/en/guides/upgrade-to/v6.mdx
+++ b/src/content/docs/en/guides/upgrade-to/v6.mdx
@@ -457,7 +457,7 @@ app.render(request, { routeData, locals })
 
 <SourcePR number="14758" title="chore(astro)!: remove app.setManifestData()"/>
 
-In Astro 5.0, the `app.setManifestData()` method was available on `App` and `NodeApp`, but was never used nor useful.
+In Astro 5.0, the `app.setManifestData()` method was available on `App` and `NodeApp`, but is no longer used nor needed.
 
 Astro 6.0 removes this method entirely.
 

From 4d9b28e89c2bf2c2844ba719aa024f1c4bac4db3 Mon Sep 17 00:00:00 2001
From: Florian Lefebvre <contact@florian-lefebvre.dev>
Date: Wed, 12 Nov 2025 18:12:33 +0100
Subject: [PATCH 3/3] Update src/content/docs/en/guides/upgrade-to/v6.mdx

---
 src/content/docs/en/guides/upgrade-to/v6.mdx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/content/docs/en/guides/upgrade-to/v6.mdx b/src/content/docs/en/guides/upgrade-to/v6.mdx
index 13359dbed5822..a96344079bc9d 100644
--- a/src/content/docs/en/guides/upgrade-to/v6.mdx
+++ b/src/content/docs/en/guides/upgrade-to/v6.mdx
@@ -463,7 +463,7 @@ Astro 6.0 removes this method entirely.
 
 #### What should I do?
 
-Remove any call to `app.setManifestData()`.
+Remove any call to `app.setManifestData()`. If you need to update the manifest, create a new `App` instance.
 
 <ReadMore>Learn more about the [Adapter API](/en/reference/adapter-reference/).</ReadMore>