chore(release): prepare version 0.21.0

Author: tbouffard

CHANGELOG.md

@@ -9,6 +9,14 @@ For more details on the contents of a release, see [the GitHub release page] (ht
 
 _**Note:** Yet to be released breaking changes appear here._
 
+## 0.21.0
+
+Release date: `2025-07-22`
+
+For more details, see the [0.21.0 Changelog](https://github.com/maxGraph/maxGraph/releases/tag/v0.21.0) on the GitHub release page.
+
+This release improves Webpack and Node.js compatibility, removes legacy code, and slightly reduces bundle size.
+
 **Breaking Changes**:
 - The `AbstractGraph.fit` method moved to `FitPlugin`, as well as the `minFitScale` and `maxFitScale` properties.
   The method now accepts a single parameter, mainly to minimize the need to pass many default values.

package-lock.json

@@ -2,7 +2,7 @@
   "name": "@maxgraph/core",
   "license": "Apache-2.0",
   "private": false,
-  "version": "0.20.0",
+  "version": "0.21.0",
   "type": "module",
   "sideEffects": [
     "**/*.css"

packages/core/package.json

@@ -21,7 +21,7 @@ limitations under the License.
  */
 // WARN: this constant is updated at release time by the script located at 'scripts/update-versions.mjs'.
 // So, if you modify the name of this file or this constant, please update the script accordingly.
-export const VERSION = '0.20.0';
+export const VERSION = '0.21.0';
 
 /**
  * Defines the portion of the cell which is to be used as a connectable