Release 6.0.0-pre.20211025.1 (2021-11-03)

Baseline: 5c04973b000b6e1819d6b51d238498a0b507c7af

Important changes:

  - Bazel no longer supports Java 8. From this version on, the
    minimum required JDK is OpenJDK 11.

This release contains contributions from many people at Google, as well as Benjamin Peterson, John Laxson, Keith Smiley, Thi Don.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bf6edec..5dc38b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,29 @@
+## Release 6.0.0-pre.20211025.1 (2021-11-03)
+
+```
+Baseline: 5c04973b000b6e1819d6b51d238498a0b507c7af
+```
+
+Important changes:
+
+  - Bazel no longer supports Java 8. From this version on, the
+    minimum required JDK is OpenJDK 11.
+
+This release contains contributions from many people at Google, as well as Benjamin Peterson, John Laxson, Keith Smiley, Thi Don.
+
+## Release 6.0.0-pre.20211019.1 (2021-10-26)
+
+```
+Baseline: 406fc1ba5fae98843c99f89a43dcbdbca0d90274
+```
+
+Incompatible changes:
+
+  - Remove `--experimental_profile_cpu_usage`.
+  - flipped --incompatible_java_common_parameters (see #12373)
+
+This release contains contributions from many people at Google, as well as ecngtng, Fabian Meumertzheim, Keith Smiley, Mauricio Galindo, Thaler Benedek.
+
 ## Release 5.0.0-pre.20211011.2 (2021-10-20)
 
 ```