From 4710bdf5e0d13edb27f7409d50d33cd5e3f7119e Mon Sep 17 00:00:00 2001
From: Luca Forstner <luca.forstner@sentry.io>
Date: Mon, 25 Nov 2024 13:09:14 +0000
Subject: [PATCH] meta: Backfill v9 migration guide items

---
 docs/migration/draft-v9-migration-guide.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/docs/migration/draft-v9-migration-guide.md b/docs/migration/draft-v9-migration-guide.md
index dba02dcdd509..90b7508b3155 100644
--- a/docs/migration/draft-v9-migration-guide.md
+++ b/docs/migration/draft-v9-migration-guide.md
@@ -2,6 +2,10 @@
 
 # Deprecations
 
+## General
+
+- Returning `null` from `beforeSendSpan` span is deprecated.
+
 ## `@sentry/utils`
 
 - **The `@sentry/utils` package has been deprecated. Import everything from `@sentry/core` instead.**
@@ -17,6 +21,7 @@
 - Deprecated `memoBuilder`. No replacements.
 - Deprecated `BAGGAGE_HEADER_NAME`. No replacements.
 - Deprecated `makeFifoCache`. No replacements.
+- Deprecated `flatten`. No replacements.
 
 ## `@sentry/core`