diff --git a/reference_guide/api_changes_list_2019.md b/reference_guide/api_changes_list_2019.md
index 569e4435e..26eba1f18 100644
--- a/reference_guide/api_changes_list_2019.md
+++ b/reference_guide/api_changes_list_2019.md
@@ -1,6 +1,6 @@
 # Incompatible Changes in IntelliJ Platform and Plugins API 2019.*
 
-<!-- Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
 
 <!--
 Before documenting a breaking API change, please, make sure that the change cannot be avoided in an alternative way.
@@ -59,6 +59,8 @@ NOTE: You are allowed to prettify the pattern using links: [`org.example.Foo`](h
 NOTE: Entries not starting with code quotes (`name`) can be added to document non-code changes  and will be skipped in API verification.
 -->
 
+<link-summary>List of known Breaking API Changes in 2019.*</link-summary>
+
 <include from="snippets.md" element-id="apiChangesHeader"/>
 
 ## 2019.3
diff --git a/reference_guide/api_changes_list_2020.md b/reference_guide/api_changes_list_2020.md
index 6348b9ba8..cc700741a 100644
--- a/reference_guide/api_changes_list_2020.md
+++ b/reference_guide/api_changes_list_2020.md
@@ -1,6 +1,6 @@
 # Incompatible Changes in IntelliJ Platform and Plugins API 2020.*
 
-<!-- Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
 
 <!--
 Before documenting a breaking API change, please, make sure that the change cannot be avoided in an alternative way.
@@ -60,6 +60,8 @@ NOTE: You are allowed to prettify the pattern using links: [`org.example.Foo`](h
 NOTE: Entries not starting with code quotes (`name`) can be added to document non-code changes  and will be skipped in API verification.
 -->
 
+<link-summary>List of known Breaking API Changes in 2020.*</link-summary>
+
 <include from="snippets.md" element-id="apiChangesHeader"/>
 
 <include from="snippets.md" element-id="apiChangesJavaVersion"/>
diff --git a/reference_guide/api_changes_list_2021.md b/reference_guide/api_changes_list_2021.md
index 90eeed961..dfa97f2db 100644
--- a/reference_guide/api_changes_list_2021.md
+++ b/reference_guide/api_changes_list_2021.md
@@ -1,6 +1,6 @@
 # Incompatible Changes in IntelliJ Platform and Plugins API 2021.*
 
-<!-- Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
 
 <!--
 Before documenting a breaking API change, please make sure that the change cannot be avoided in an alternative way.
@@ -60,6 +60,8 @@ NOTE: You are allowed to prettify the pattern using links: [`org.example.Foo`](h
 NOTE: Entries not starting with code quotes (`name`) can be added to document non-code changes  and will be skipped in API verification.
 -->
 
+<link-summary>List of known Breaking API Changes in 2021.*</link-summary>
+
 <include from="snippets.md" element-id="apiChangesHeader"/>
 
 <include from="snippets.md" element-id="apiChangesJavaVersion"/>
diff --git a/reference_guide/api_changes_list_2022.md b/reference_guide/api_changes_list_2022.md
index 06e51f811..794b12f2f 100644
--- a/reference_guide/api_changes_list_2022.md
+++ b/reference_guide/api_changes_list_2022.md
@@ -1,6 +1,6 @@
 # Incompatible Changes in IntelliJ Platform and Plugins API 2022.*
 
-<!-- Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
 
 <!--
 Before documenting a breaking API change, please make sure that the change cannot be avoided in an alternative way.
@@ -60,6 +60,8 @@ NOTE: You are allowed to prettify the pattern using links: [`org.example.Foo`](h
 NOTE: Entries not starting with code quotes (`name`) can be added to document non-code changes and will be skipped in API verification.
 -->
 
+<link-summary>List of known Breaking API Changes in 2022.*</link-summary>
+
 <include from="snippets.md" element-id="apiChangesHeader"/>
 
 <include from="snippets.md" element-id="apiChangesJavaVersion"/>
diff --git a/reference_guide/api_changes_list_2023.md b/reference_guide/api_changes_list_2023.md
index 0453c99e7..fc5bf88b5 100644
--- a/reference_guide/api_changes_list_2023.md
+++ b/reference_guide/api_changes_list_2023.md
@@ -1,6 +1,6 @@
 # Incompatible Changes in IntelliJ Platform and Plugins API 2023.*
 
-<!-- Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
 
 <!--
 Before documenting a breaking API change, please make sure that the change cannot be avoided in an alternative way.
@@ -60,6 +60,8 @@ NOTE: You are allowed to prettify the pattern using links: [`org.example.Foo`](h
 NOTE: Entries not starting with code quotes (`name`) can be added to document non-code changes and will be skipped in API verification.
 -->
 
+<link-summary>List of known Breaking API Changes in 2023.*</link-summary>
+
 <include from="snippets.md" element-id="apiChangesHeader"/>
 
 <include from="snippets.md" element-id="apiChangesJavaVersion"/>
diff --git a/topics/appendix/api_notable/api_notable_list_2019.md b/topics/appendix/api_notable/api_notable_list_2019.md
index 89842efc3..4424284e2 100644
--- a/topics/appendix/api_notable/api_notable_list_2019.md
+++ b/topics/appendix/api_notable/api_notable_list_2019.md
@@ -2,6 +2,8 @@
 
 <!-- Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
 
+<link-summary>List of known Notable API Changes in 2019.*</link-summary>
+
 ## 2019.3
 
 ### IntelliJ Platform 2019.3
diff --git a/topics/appendix/api_notable/api_notable_list_2020.md b/topics/appendix/api_notable/api_notable_list_2020.md
index ee79bdba2..d599bc55d 100644
--- a/topics/appendix/api_notable/api_notable_list_2020.md
+++ b/topics/appendix/api_notable/api_notable_list_2020.md
@@ -1,7 +1,9 @@
-[//]: # (title: Notable Changes in IntelliJ Platform and Plugins API 2020.*)
+# Notable Changes in IntelliJ Platform and Plugins API 2020.*
 
 <!-- Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
 
+<link-summary>List of known Notable API Changes in 2020.*</link-summary>
+
 We've published our roadmap for the IntelliJ Platform for 2020: [Part I](https://blog.jetbrains.com/idea/2019/12/intellij-platform-roadmap-for-2020/) [Part II](https://blog.jetbrains.com/idea/2020/01/intellij-based-ide-features-roadmap-for-2020/)
 
 ## 2020.3
diff --git a/topics/appendix/api_notable/api_notable_list_2021.md b/topics/appendix/api_notable/api_notable_list_2021.md
index 73812d8dc..f0ebf658d 100644
--- a/topics/appendix/api_notable/api_notable_list_2021.md
+++ b/topics/appendix/api_notable/api_notable_list_2021.md
@@ -1,6 +1,8 @@
-[//]: # (title: Notable Changes in IntelliJ Platform and Plugins API 2021.*)
+# Notable Changes in IntelliJ Platform and Plugins API 2021.*
 
-<!-- Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+
+<link-summary>List of known Notable API Changes in 2021.*</link-summary>
 
 _Early Access Program_ (EAP) releases of upcoming versions are available [here](https://eap.jetbrains.com).
 
diff --git a/topics/appendix/api_notable/api_notable_list_2022.md b/topics/appendix/api_notable/api_notable_list_2022.md
index dce77e515..96d491696 100644
--- a/topics/appendix/api_notable/api_notable_list_2022.md
+++ b/topics/appendix/api_notable/api_notable_list_2022.md
@@ -2,6 +2,8 @@
 
 <!-- Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
 
+<link-summary>List of known Notable API Changes in 2022.*</link-summary>
+
 _Early Access Program_ (EAP) releases of upcoming versions are available [here](https://eap.jetbrains.com).
 
 ## 2022.3
diff --git a/topics/appendix/api_notable/api_notable_list_2023.md b/topics/appendix/api_notable/api_notable_list_2023.md
index 108babdb9..012ecc81b 100644
--- a/topics/appendix/api_notable/api_notable_list_2023.md
+++ b/topics/appendix/api_notable/api_notable_list_2023.md
@@ -1,6 +1,8 @@
 # Notable Changes in IntelliJ Platform and Plugins API 2023.*
 
-<!-- Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+<!-- Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
+
+<link-summary>List of known Notable API Changes in 2023.*</link-summary>
 
 _Early Access Program_ (EAP) releases of upcoming versions are available [here](https://eap.jetbrains.com).