1 files changed, 11 insertions, 6 deletions

diff --git a/docs/breaking_changes.md b/docs/breaking_changes.md
index 754e6ec97..c5f4eec04 100644
--- a/docs/breaking_changes.md
+++ b/docs/breaking_changes.md
@@ -6,6 +6,7 @@ The breaking change period is when we will merge PR's that change QMK in dangero
 
 ## What has been included in past Breaking Changes?
 
+* [2021 Aug 28](ChangeLog/20210828.md)
 * [2021 May 29](ChangeLog/20210529.md)
 * [2021 Feb 27](ChangeLog/20210227.md)
 * [2020 Nov 28](ChangeLog/20201128.md)
@@ -20,12 +21,12 @@ The next Breaking Change is scheduled for August 28, 2021.
 
 ### Important Dates
 
-* [x] 2021 May 29 - `develop` is created. Each push to `master` is subsequently merged to `develop`
-* [ ] 2021 Jul 31 - `develop` closed to new PR's.
-* [ ] 2021 Jul 31 - Call for testers.
-* [ ] 2021 Aug 26 - `master` is locked, no PR's merged.
-* [ ] 2021 Aug 28 - Merge `develop` to `master`.
-* [ ] 2021 Aug 28 - `master` is unlocked. PR's can be merged again.
+* [x] 2021 Aug 29 - `develop` is created. Each push to `master` is subsequently merged to `develop`
+* [ ] 2021 Oct 31 - `develop` closed to new PR's.
+* [ ] 2021 Oct 31 - Call for testers.
+* [ ] 2021 Nov 26 - `master` is locked, no PR's merged.
+* [ ] 2021 Nov 28 - Merge `develop` to `master`.
+* [ ] 2021 Nov 28 - `master` is unlocked. PR's can be merged again.
 
 ## What changes will be included?
 
@@ -99,3 +100,7 @@ This happens immediately after the previous `develop` branch is merged.
     * [ ] `git pull --ff-only`
     * [ ] `git merge --no-ff develop`
     * [ ] `git push upstream master`
+
+## Post-merge operations
+
+* (Optional) [update ChibiOS + ChibiOS-Contrib on `develop`](chibios_upgrade_instructions.md)