diff --git a/changelog.d/16066.bugfix b/changelog.d/16066.bugfix
new file mode 100644
index 000000000000..83649cf42a4a
--- /dev/null
+++ b/changelog.d/16066.bugfix
@@ -0,0 +1 @@
+Fix a long-standing bug where multi-device accounts could cause high load due to presence.
diff --git a/changelog.d/16170.bugfix b/changelog.d/16170.bugfix
new file mode 100644
index 000000000000..83649cf42a4a
--- /dev/null
+++ b/changelog.d/16170.bugfix
@@ -0,0 +1 @@
+Fix a long-standing bug where multi-device accounts could cause high load due to presence.
diff --git a/changelog.d/16170.misc b/changelog.d/16170.misc
deleted file mode 100644
index c950b5436705..000000000000
--- a/changelog.d/16170.misc
+++ /dev/null
@@ -1 +0,0 @@
-Simplify presence code when using workers.
diff --git a/changelog.d/16171.bugfix b/changelog.d/16171.bugfix
new file mode 100644
index 000000000000..83649cf42a4a
--- /dev/null
+++ b/changelog.d/16171.bugfix
@@ -0,0 +1 @@
+Fix a long-standing bug where multi-device accounts could cause high load due to presence.
diff --git a/changelog.d/16171.misc b/changelog.d/16171.misc
deleted file mode 100644
index 4d709cb56e19..000000000000
--- a/changelog.d/16171.misc
+++ /dev/null
@@ -1 +0,0 @@
-Track per-device information in the presence code.
diff --git a/changelog.d/16172.bugfix b/changelog.d/16172.bugfix
new file mode 100644
index 000000000000..83649cf42a4a
--- /dev/null
+++ b/changelog.d/16172.bugfix
@@ -0,0 +1 @@
+Fix a long-standing bug where multi-device accounts could cause high load due to presence.
diff --git a/changelog.d/16172.misc b/changelog.d/16172.misc
deleted file mode 100644
index 4d709cb56e19..000000000000
--- a/changelog.d/16172.misc
+++ /dev/null
@@ -1 +0,0 @@
-Track per-device information in the presence code.