OpenWrt 21.02.1 First service release

Hauke Mehrtens hauke at
Fri Oct 29 15:18:50 PDT 2021


The OpenWrt community is proud to announce the first service release of 
OpenWrt 21.02. It fixes security issues, improves device support, and 
brings a few bug fixes.

Main changes from OpenWrt 21.02.0

Major bug fixes
  * Fix Let's Encrypt certificate handling in WolfSSL
  * Fix sysupgrade for Mikrotik targets
  * Fix sysupgrade for Rockchip target when using squashfs

Device support
  * Add support for iEi Puzzle-M901/Puzzle-M902

Various fixes and improvements
  * Add build system support for Python 3.10
  * Fix which handling on Fedora and MacOS build systems
  * Add Tmux terminfo

Core components
  * Update Linux kernel from 5.4.143 to 5.4.154
  * Update mac80211 from 5.10.42 to 5.10.68
  * Update ath10k-ct to 2021-09-22
  * Update wolfssl from 4.7.0 to 4.8.1

Known issues
  * Some IPv6 packets are dropped when software flow offloading is used:
    * As a workaround, do not activate software flow offloading, it is
      deactivate by default.
  * The menu bar in LuCI is wrongly aligned
    * If this is a real problem for you update the LuCI theme:
      opkg upgrade luci-theme-bootstrap

Full release notes and upgrade instructions are available at

In particular, make sure to read the regressions and known issues before 

For a detailed list of all changes since 21.02.0, refer to

To download the 21.02.0-rc4 images, navigate to:

- ---

To stay informed of new OpenWrt releases and security advisories, there
are new channels available:

* a low-volume mailing list for important announcements:

* a dedicated "announcements" section in the forum:

* other announcement channels (such as RSS feeds) might be added in the
   future, they will be listed at

As always, a big thank you goes to all our active package maintainers, 
testers, documenters, and supporters.

Have fun!

The OpenWrt Community

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