RT-Thread V4.1.1 New Release

Today, we’re introducing RT-Thread V4.1.1. This release adds support for some new performance and fixes some issues.

We want to acknowledge and thank the following community members for their contributions to RT-Thread, they are:

100ask-Alen, Aligagago, BreederBai, BruceOu, CaocoWang, Chester guo, Dengguiling, Fan Yang, Forest-Rain, FrankTan, Freey0, GPSBabel, GUI, HubretXie, Isaac Rose, Jamie, Jiang Runnan, Jianhui Zhao, JonasWen, Judd, Kevin Liu, Martin, Meng, Miaowulue, MysticBoy, NationsHuanghanbin, Not Black Magic, Stanley Lwin, Steven-LiuSF, SunJ, Ting Liu, Wayne Lin, Wu Han, Yang sheng, Yanlineng, Yunjie Gu, Zhang Jianfei, a1012112796, blta, breederbai, cha331, changzehai, charlown, chenbin, chinky, chunyexixiaoyu, cmbjxxiao, dongly, emuzit, gbcwbz, hipeanut, jianbojason, jiezhi320, levizhxl, lgnq, liyangyang, liuhy, luhuadong, qipingqiu, rewine, ririyeye, sheltonyu, shinu, shiwa, snikolaj, solar_li, supperthomas, tangzz98, tfx2001, thewon86, ueJone, wang0huan, wolfJane, woody, wudiyidashi, wugensheng, xfwangqiang, xiaoxiaolisunny, xinyigao, xjy198903, zhouji, zuozuojia, DaDunDeXiaoFangChe, Liang Sheng, Chen Yingchun and Meco. NXP Semiconductors、Renesas Electronics、WCH Electronics、Nuvoton Technology、Nations Technologies、HPMicro、Geehy Semiconductor、XIAOHUA Semiconductor、Qingdao Eastsoft, and Chinese Academy of Sciences PLCT Laboratory.

Thanks to all contributors and companies who share their time, energy, and talent to help RT-Thread. Thank you very much!


The kernel part adjusts the following settings according to the usage requirements:

  • Adjust the default stack size space for 64-bit CPUs


The component section continues to be optimized according to the existing main line, including:

  • SFUD updates to accommodate more FLASH


Support for BSP:

  • Add support for an Infineon development board, the cypress board CY8CKIT-062S2–43012

New Added BSP:

  • at32f413, at32f415-start, at32f435-start, at32f437-start


  • Take PLATFORM to replace CROSS_TOOL to differentiate between different compilation platforms

For more details please check out the Release Log

Download V4.1.1: https://github.com/RT-Thread/rt-thread/releases/tag/v4.1.1

Visit our main repository and give it a star⭐ if you haven’t already: https://github.com/RT-Thread/rt-thread



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