OpenWrt 21.02.2 - Service Release - 25 February 2022

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 OpenWrt 21.02.2, r16495-bf0c965af0

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

The OpenWrt project is a Linux operating system targeting embedded devices. It is a complete replacement for the vendor-supplied firmware of a wide range of wireless routers and non-network devices. See the Table of Hardware for supported devices. For more information about OpenWrt project organization, see the About OpenWrt pages.

Get OpenWrt firmware images at: or use the firmware selector at:

On February 9th 2022, OpenWrt switched to for bug tracking.

All bugs have been migrated, and the old service has been decommissioned (with redirections to the new service)

Do you want to be informed about important changes such as new releases and security fixes?

We have a new mailing list for this, as well as RSS options: see Important changes and announcements.

Only the main changes are listed below. See changelog-21.02.2 for the full changelog.

  • Support for the following devices was added:
    • Xiaomi AIoT Router AC2350
    • Linksys EA6300 & EA9200
    • Netgear RAXE500
    • TP-Link TL-WA1201 v2
  • Minew G1-C: Allow dynamic RAM sizes
  • Fix U-Boot hang on lantiq danube-s v1.5 with MX29LV640EB NOR
  • TP-Link tl-mr3020-v3: Fix switch topology
  • Luxul XWR-3150 LAN: Fix ports numbering
  • WD MyBook Live DUO: Fix USB-Port
  • Turris Omnia: Use SFP module, if present
  • OpenMesh OM5P-AC v2: Fixed device tree
  • Add new rpcapd package
  • chmod 1777 /var/lock to follow FHS 3.0 guideline
  • netifd: fix deletion of ip tunnels (FS#4058)
  • multiple mac80211 backports:
    • Add support Wifi 6 GHz band and HE options in scripts
    • mac80211: fix IBSS/adhoc mode for brcmfmac
  • Add ath10k smallbuffers
  • Update Linux kernel from 5.4.154 to 5.4.179
  • Update mac80211 from 5.10.68 to 5.10.85
  • Update wolfssl from 4.8.1 to 5.1.1
  • Update wireless-regdb from 2021.04.21 to 2021.08.28
  • Update mt76 from 2021-06-06 to 2021-12-03
  • Update busybox from 1.33.1 to 1.33.2
  • Update intel-microcode from 20200616 to 20210608
  • Update linux-firmware from 20201118 to 20211216
  • Update openssl from 1.1.1l to 1.1.1m
  • Update mbedtls from 2.16.11 to 2.16.12
  • Certificate validation fails in wolfssl against some sites especially sites using lets encrypt certificates. This affects for example wget in the default configuration #9283
  • Some IPv6 packets are dropped when software flow offloading is used: FS#3373
    • As a workaround, do not activate software flow offloading, it is deactivate by default.

Upgrading from OpenWrt 21.02 is straightforward thanks to the sysupgrade utility: sysupgrade from web interface or sysupgrade from command-line.

An upgrade from OpenWrt 19.07 to OpenWrt 21.02 is supported in many cases, including preserving configuration. A configuration backup is advised nonetheless when upgrading from OpenWrt 19.07.

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  • Last modified: 2022/02/25 10:33
  • by aparcar