数据显示，目前全球 58% 的 MySQL/MariaDB 实例仍运行于 8.0 版本，另有 18.8% 停留在 2023 年就已终止支持的 5.7 版本，超七成用户正面临 “安全裸奔” 风险。 一旦过了明年 4 月，这些系统将彻底失去官方安全补丁与 bug 修复服务，数据泄露、系统崩溃等问题将陷入无人响应的困境。

A：MySQL 8.0将于2026年4月30日停止支持，用户只有大约六个月的时间进行迁移到受支持的版本。 A：从MySQL 8.0升级到8.4的难度远不如从5.7升级到8.0那样艰难。5.7到8.0的升级被描述为"非常大且痛苦的跳跃"，而8.0到8.4的升级相对容易得多。

随着技术的不断进步，数据库的更新迭代已经成为企业发展的必然趋势。MySQL 8.0版本的支持将于2026年4月30日结束，这意味着用户必须在接下来的六个月内完成迁移，以免面临安全和可靠性风险。根据开源数据库支持服务提供商Percona的警告，目前仍有超过58%的MySQL实例在使用8.0版本，而18.8%的实例依然在使用已于2023年停止支持的5.7版本。

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