- [Changelog since v1.10.0-beta.4](#changelog-since-v1100-beta4)
    - [Other notable changes](#other-notable-changes-14)
- [v1.10.0-beta.4](#v1100-beta4)
  - [Downloads for v1.10.0-beta.4](#downloads-for-v1100-beta4)
    - [Client Binaries](#client-binaries-15)
    - [Server Binaries](#server-binaries-15)
    - [Node Binaries](#node-binaries-15)
  - [Changelog since v1.10.0-beta.3](#changelog-since-v1100-beta3)

        sessionManager.errors().saveMessages(messages);
    }

    /**
     * Copies properties from source bean to destination bean.
     * This is a utility method that wraps BeanUtil.copyBeanToBean with custom options.
     *
     * @param src the source bean object
     * @param dest the destination bean object
     * @param option a consumer function to configure copy options
     */

        FessUserBean anotherBean = new FessUserBean(anotherUser);
        assertSame(anotherUser, anotherBean.getFessUser());
    }

    public void test_empty() {
        // Test empty user bean creation
        FessUserBean emptyBean = FessUserBean.empty();
        assertNotNull(emptyBean);

        // Test getUserId returns EMPTY_USER_ID
        assertEquals(Constants.EMPTY_USER_ID, emptyBean.getUserId());

nameProperty.setValue(bean, "John Doe");

// Bean copying with flexible options
BeanUtil.copyBeanToBean(source, destination);
BeanUtil.copyBeanToBean(source, destination, options -> 
    options.exclude("password", "internalId"));

// Convert between beans and maps
Map<String, Object> map = BeanUtil.copyBeanToNewMap(bean);
MyBean newBean = BeanUtil.copyMapToNewBean(map, MyBean.class);
```

### Type Conversion

- [v1.4.0-beta.10](CHANGELOG.md#v140-beta10)
- [v1.4.0-beta.8](CHANGELOG.md#v140-beta8)
- [v1.4.0-beta.7](CHANGELOG.md#v140-beta7)
- [v1.4.0-beta.6](CHANGELOG.md#v140-beta6)
- [v1.4.0-beta.5](CHANGELOG.md#v140-beta5)
- [v1.4.0-beta.3](CHANGELOG.md#v140-beta3)
- [v1.4.0-beta.2](CHANGELOG.md#v140-beta2)
- [v1.4.0-beta.1](CHANGELOG.md#v140-beta1)
- [v1.4.0-alpha.3](CHANGELOG.md#v140-alpha3)

         * @return The user type.
         */
        OptionalThing<String> supply();
    }

    /**
     * The supplier of user bean.
     */
    @FunctionalInterface
    public interface UserBeanSupplier {
        /**
         * Supply the user bean.
         * @return The user bean.
         */
        OptionalThing<FessUserBean> supply();
    }

    /**
     * The supplier of application type.
     */

  - [Changelog since v1.22.0-beta.2](#changelog-since-v1220-beta2)
  - [Changes by Kind](#changes-by-kind-17)
    - [API Change](#api-change-3)
    - [Bug or Regression](#bug-or-regression-17)
  - [Dependencies](#dependencies-18)
    - [Added](#added-18)
    - [Changed](#changed-18)
    - [Removed](#removed-18)
- [v1.22.0-beta.2](#v1220-beta2)
  - [Downloads for v1.22.0-beta.2](#downloads-for-v1220-beta2)

        TestBean bean = new TestBean();

        // Test null value (should be valid)
        bean.setCronExpression(null);
        Set<ConstraintViolation<TestBean>> violations = validator.validate(bean);
        assertTrue(violations.isEmpty());

        // Test empty string (should be valid)
        bean.setCronExpression("");
        violations = validator.validate(bean);
        assertTrue(violations.isEmpty());

### Documentation

- Feat: azure file migration go beta in 1.21. Feature gates CSIMigration to Beta (on by default) and CSIMigrationAzureFile to Beta (off by default since it requires installation of the AzureFile CSI Driver)

    - [API Priority and Fairness graduates to Beta](#api-priority-and-fairness-graduates-to-beta)
    - [IPv4/IPv6 run](#ipv4ipv6-run)
    - [go1.15.5](#go1155)
    - [CSI Volume Snapshot graduates to General Availability](#csi-volume-snapshot-graduates-to-general-availability)
    - [Non-recursive Volume Ownership (FSGroup) graduates to Beta](#non-recursive-volume-ownership-fsgroup-graduates-to-beta)