OpenWrt 21.02.2 - Service Release - 25 February 2022

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 OpenWrt 21.02.2, r16495-bf0c965af0
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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: https://downloads.openwrt.org/releases/ or use the firmware selector at: https://firmware-selector.openwrt.org/

On February 9th 2022, OpenWrt switched to https://github.com/openwrt/openwrt/issues/ for bug tracking.

All bugs have been migrated, and the old service https://bugs.openwrt.org 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.