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Release Notes - Spring Framework - Version 5.0.12 - HTML format

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Bug

[SPR-8335] - 'default-lazy-init' attribute is not processed when XSD validation is disabled
[SPR-17540] - Spring JavaMailSenderImpl does not show proper message when recipient list is empty
[SPR-17559] - Potential resource leak in DataSourceUtils.doGetConnection
[SPR-17565] - SpEL variable evaluation fails with NPE against ConcurrentHashMap
[SPR-17566] - MockHttpServletRequest changes Accept-Language header values
[SPR-17592] - Exporting a lazily initialized bean (which implements SelfNaming and is annotated with ManagedResource annotation) gives IllegalStateException
[SPR-17605] - SpEL, error parsing big InlineMap
[SPR-17607] - @Value Optional<...> field injection fails in case of registered ConversionService
[SPR-17609] - ChannelSendOperator does not propagate cancel signal to the server
[SPR-17619] - Cannot convert from Collection to RegularEnumSet
[SPR-17623] - MockMvcResultMatchers.forwardedUrl argument is not declared as nullable
[SPR-17630] - UriComponentsBuilder.toUriString() is broken

Task

[SPR-17556] - Error in reference documentation sentence in part 1.8.1. Customizing Beans by Using a BeanPostProcessor
[SPR-17581] - Typo in SpEL Evaluation Context Sample
[SPR-17583] - Clarify whether spring-jms 5.x is still able to run with a JMS 1.1 provider

Improvement

[SPR-17560] - NettyDataBufferFactory.join should return original buffer as-is in case of a single element (for compatibility with Netty 4.1.32)

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Release Notes - Spring Framework - Version 5.0.12
                    
<h2>        Bug
</h2>
<ul>
<li>[<a href='https://jira.spring.io/browse/SPR-8335'>SPR-8335</a>] -         &#39;default-lazy-init&#39; attribute is not processed when XSD validation is disabled
</li>
<li>[<a href='https://jira.spring.io/browse/SPR-17540'>SPR-17540</a>] -         Spring JavaMailSenderImpl does not show proper message when recipient list is empty
</li>
<li>[<a href='https://jira.spring.io/browse/SPR-17559'>SPR-17559</a>] -         Potential resource leak in DataSourceUtils.doGetConnection
</li>
<li>[<a href='https://jira.spring.io/browse/SPR-17565'>SPR-17565</a>] -         SpEL variable evaluation fails with NPE against ConcurrentHashMap
</li>
<li>[<a href='https://jira.spring.io/browse/SPR-17566'>SPR-17566</a>] -         MockHttpServletRequest changes Accept-Language header values
</li>
<li>[<a href='https://jira.spring.io/browse/SPR-17592'>SPR-17592</a>] -         Exporting a lazily initialized bean (which implements SelfNaming and is annotated with ManagedResource annotation) gives IllegalStateException
</li>
<li>[<a href='https://jira.spring.io/browse/SPR-17605'>SPR-17605</a>] -         SpEL, error parsing big InlineMap 
</li>
<li>[<a href='https://jira.spring.io/browse/SPR-17607'>SPR-17607</a>] -         @Value Optional&lt;...&gt; field injection fails in case of registered ConversionService
</li>
<li>[<a href='https://jira.spring.io/browse/SPR-17609'>SPR-17609</a>] -         ChannelSendOperator does not propagate cancel signal to the server 
</li>
<li>[<a href='https://jira.spring.io/browse/SPR-17619'>SPR-17619</a>] -         Cannot convert from Collection to RegularEnumSet
</li>
<li>[<a href='https://jira.spring.io/browse/SPR-17623'>SPR-17623</a>] -         MockMvcResultMatchers.forwardedUrl argument is not declared as nullable
</li>
<li>[<a href='https://jira.spring.io/browse/SPR-17630'>SPR-17630</a>] -         UriComponentsBuilder.toUriString() is broken
</li>
</ul>
        
<h2>        Task
</h2>
<ul>
<li>[<a href='https://jira.spring.io/browse/SPR-17556'>SPR-17556</a>] -         Error in reference documentation sentence in part 1.8.1. Customizing Beans by Using a BeanPostProcessor
</li>
<li>[<a href='https://jira.spring.io/browse/SPR-17581'>SPR-17581</a>] -         Typo in SpEL Evaluation Context Sample
</li>
<li>[<a href='https://jira.spring.io/browse/SPR-17583'>SPR-17583</a>] -         Clarify whether spring-jms 5.x is still able to run with a JMS 1.1 provider
</li>
</ul>
    
<h2>        Improvement
</h2>
<ul>
<li>[<a href='https://jira.spring.io/browse/SPR-17560'>SPR-17560</a>] -         NettyDataBufferFactory.join should return original buffer as-is in case of a single element (for compatibility with Netty 4.1.32)
</li>
</ul>