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Recent Announcements

Amazon EC2 X8i instances are now available in Europe (Paris) Amazon CloudWatch pipelines now supports drop and conditional processing AWS Deadline Cloud supports monitor creation in multiple regions Amazon CloudWatch pipelines introduces new compliance and governance capabilities Second-generation Amazon FSx for NetApp ONTAP is now available in four additional AWS commercial and AWS GovCloud (US) Regions AWS Billing and Cost Management Dashboards Now Supports Scheduled Email Delivery AWS RTB Fabric supports health checks for real-time bidding workloads AWS Backup extends Amazon FSx support to 5 additional AWS Regions and expands cross-Region and cross-account copy to 14 AWS Regions Amazon RDS now supports the latest CU and GDR updates for Microsoft SQL Server Amazon Timestream for InfluxDB Now Supports Customer-Defined Maintenance Windows Amazon Bedrock now supports cost allocation by IAM user and role Amazon OpenSearch Service supports Managed Prometheus and agent tracing Amazon S3 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FreeRTOS 202604 LTS 现已发布,提供增强的安全功能和 MQTT v5.0 支持
Amazon Web Services · 2026-05-02 · via Recent Announcements

发布于: 2026年5月1日

FreeRTOS 202604 LTS 现已发布,这是面向嵌入式设备的开源实时操作系统的新版长期支持(LTS)版本。该版本将为嵌入式系统开发人员和物联网(IoT)设备制造商提供为期两年的稳定功能、安全更新以及关键漏洞修复。它解决了嵌入式系统中的关键挑战,包括内存安全、代码质量和协议支持。

FreeRTOS 内核 v11.3.0 引入了新的硬件端口、安全强化措施以及扩展的内存保护单元(MPU)支持,从而减少了 FreeRTOS 占用的 MPU 区域数量,并允许开发人员为特定于应用程序的内存保护预留硬件区域。此外,coreMQTT v5.0.2 还增加了对 MQTT v5.0 协议的支持,为带宽受限的设备提供了主题别名等功能,并为交互式物联网应用提供了请求/响应模式。coreSNTP v2.0.0 的使用周期可持续至 2038 年,因此当前部署的设备在其整个运行周期内都能正确验证 TLS 证书和时间戳数据。

此次发布提供的库均经过内存安全性和 MISRA-C 合规性验证。这些库提升了嵌入式系统的稳健性、可移植性和可靠性。

coreMQTTcoreSNTP 的迁移指南为升级至 FreeRTOS 202604 LTS 提供了详细指导。对于需要在上一 LTS 版本到期后进行关键修复的项目,可选择使用 FreeRTOS 的延长维护计划。要了解更多信息,请访问 FreeRTOS LTS 页面FreeRTOS LTS GitHub 存储库