diff --git a/plugin-gradle/CHANGES.md b/plugin-gradle/CHANGES.md
index f3e5276d53..76fc2a9de9 100644
--- a/plugin-gradle/CHANGES.md
+++ b/plugin-gradle/CHANGES.md
@@ -6,6 +6,13 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 ### Added
 * You can now put the filename into a license header template with `$FILE`. ([#1605](https://github.com/diffplug/spotless/pull/1605) fixes [#1147](https://github.com/diffplug/spotless/issues/1147))
 * `licenseHeader` default pattern for Java files is updated to `(package|import|public|class|module) `. ([#1614](https://github.com/diffplug/spotless/pull/1614))
+### Changes
+* All Eclipse formatters are now based on [Equo Solstice OSGi and p2 shim](https://github.com/equodev/equo-ide/tree/main/solstice). ([#1524](https://github.com/diffplug/spotless/pull/1524))
+  * Eclipse JDT bumped default to `4.26` from `4.21`, oldest supported is `4.9`.
+    * We now recommend dropping the last `.0`, e.g. `4.26` instead of `4.26.0`, you'll get warnings to help you switch.
+  * Eclipse Groovy bumped default to `4.26` from `4.21`, oldest supported is `4.18`.
+  * Eclipse CDT bumped default to `11.0` from `4.21`, oldest supported is `10.6`.
+  * Eclipse WTP is still WIP at [#1622](https://github.com/diffplug/spotless/pull/1622).
 
 ## [6.16.0] - 2023-02-27
 ### Added
diff --git a/plugin-maven/CHANGES.md b/plugin-maven/CHANGES.md
index f65f5e61d4..f324dda349 100644
--- a/plugin-maven/CHANGES.md
+++ b/plugin-maven/CHANGES.md
@@ -9,6 +9,12 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 * `licenseHeader` default pattern for Java files is updated to `(package|import|public|class|module) `. ([#1614](https://github.com/diffplug/spotless/pull/1614))
 ### Changes
 * Enable incremental up-to-date checking by default. ([#1621](https://github.com/diffplug/spotless/pull/1621))
+* All Eclipse formatters are now based on [Equo Solstice OSGi and p2 shim](https://github.com/equodev/equo-ide/tree/main/solstice). ([#1524](https://github.com/diffplug/spotless/pull/1524))
+  * Eclipse JDT bumped default to `4.26` from `4.21`, oldest supported is `4.9`.
+    * We now recommend dropping the last `.0`, e.g. `4.26` instead of `4.26.0`, you'll get warnings to help you switch.
+  * Eclipse Groovy bumped default to `4.26` from `4.21`, oldest supported is `4.18`.
+  * Eclipse CDT bumped default to `11.0` from `4.21`, oldest supported is `10.6`.
+  * Eclipse WTP is still WIP at [#1622](https://github.com/diffplug/spotless/pull/1622).
 
 ## [2.34.0] - 2023-02-27
 ### Added