Hibernate ORM 4.2.20.Final 在7月24日就已经发布了，但是因为 SourceForge 网站的问题导致文件无法上传。该版本详细的改进请看 https://hibernate.atlassian.net/jira/secure/ReleaseNote.jspa?projectId=10031&version=19651 值得关注的 Bug 修复： HHH-2851 fixed a longstanding bug affecting dialects that require the type for binding null parameter values to a query predicate like param IS NULL OR alias.someField = aram). This bug affected Oracle and SQL Server dialects, and possibly others. This bug was easily worked around, but it was clearly a headache for people using those dialects. 下载地址：https://github.com/hibernate/hibernate-orm/releases/tag/4.2.20.Final Hibernate ORM 4.2.20.Final 发布下载地址
