[OpenWrt-Devel] OpenWrt 19.07.0 first stable release

Hauke Mehrtens hauke at hauke-m.de
Thu Jan 9 18:38:15 EST 2020


The OpenWrt community is proud to announce the first stable release of
the OpenWrt 19.07 stable version series. It incorporates 3954 commits
since the previous release 18.06.0 and 85 commits since the previous
release candidate 19.07.0-rc2.

An upgrade from OpenWrt 18.06 to OpenWrt 19.07 is supported in many
cases with the help of the sysupgrade utility which will also attempt to
preserve the configuration. A configuration backup is advised
nonetheless when upgrading to OpenWrt 19.07.

With this release, the OpenWrt project brings all supported targets back
to a single common kernel version and further refines and broadens
existing device support. It also introduces a new ath79 target and
brings support for WPA3.

Target transition from ar71xx to ath79

This release provides initial support for the new ath79 target, the
future device tree based successor of the popular ar71xx target. For
19.07, both targets are still built, but it is recommended to switch to
the ath79 target whenever possible: future releases of OpenWrt will drop
support for the ar71xx target.

Please read the known issues below before upgrading.

WPA3 support

The 19.07 release brings initial support for WPA3. However, WPA3 is not
enabled by default and *requires* installing specific packages: to run
WPA3 as an access point, hostapd-openssl is needed. For use as a Wi-Fi
station, you need either wpa-supplicant-openssl (station support only)
or wpad-openssl (AP + station). Due to their large size, these packages
are not installed by default, and it is impossible to install them on
devices with less than 8MB flash.

It should also be noted that many existing client devices will never
support WPA3, and that there are client devices that support WPA2 but
cannot connect to an AP configured with WPA2+WPA3 mixed mode. Please
only file bugs if you are sure the problem is not client related.

To configure your device as a WPA3 access point, see:

Client-side rendering of the LuCI web interface

The new version of LuCI, the integrated web interface for OpenWrt,
implements client-side rendering of views. This improves performance by
offloading some work that was done on the device (Lua code) to the
client browser (Javascript code)

The LuCI ecosystem is large, and not all LuCI apps have been adapted to
this change, which may result in crashes involving cbi.lua. In that
case, install the luci-compat package.

With this step, Lua usage in LuCI is reduced and LuCI effectively comes
closer to the goals of the experimental LuCI2 without having to rewrite
everything from scratch.

Main changes in OpenWrt 19.07.0

The main changes in this release since the previous OpenWrt 18.06
version are:

 * Updated toolchain:
   * musl libc 1.1.24
   * uClibc-ng 1.0.31
   * glibc 2.27
   * gcc 7.5.0
   * binutils 2.31.1
 * Updated Linux kernel
   * 4.14.162 for all targets
   * Flow offloading bugfixes
 * Network userland:
   * hostapd 2.9, dnsmasq 2.80, dropbear 2019.78
   * Fixes in network and wireless configuration handling
   * Bugfixes in DHCPv6 client and server
   * WPA3 configuration support
     * Install wpad-openssl for WPA3 support
 * System userland:
   * busybox 1.30.1
   * Sysupgrade support for backup and upgrade capability checks
   * Contains urngd, non-physical true random number generator daemon
based on timing jitter
   * Bugfixes in the process manager, system message bus, embedded web
server and the configuration management library
 * Platform and Driver Support
   * Dropped adm5120, adm8668, ar7, au1000, ixp4xx, mcs814x, omap24xx,
ppc40x, ppc44x and xburst target
   * New ath79 target that will replace the popular ar71xx target
   * Updates and new device support across all targets
 * LuCI web interface:
   * Client side rendering of views for improved performance
   * Security fixes

A full list of all changes and security fixes is available in the
detailed changelog, see

Known issues

 * Sysupgrade from ar71xx to ath79 and vice versa is not officially
supported, a full manual reinstall is recommended to switch targets for
devices supported by both ar71xx and ath79
 * Images for some device became too big to support a persistent
overlay, causing such models to lose configuration after a reboot. If
you experience this problem, please report the affected device in the
forum and consider downgrading to OpenWrt 18.06 or using the Image
Builder to pack a smaller custom image
 * Some optional GUI packages crash with an error about missing
"cbi.lua", install the luci-compat package to fix these
 * Possible Wi-Fi issues with ath10k-based boards. If you encounter such
an issue, please file a bug report against openwrt-19.07. Please make
sure the issue is not caused by WPA3. If you are using WPA3 and run into
problems, revert to the encryption settings you used before upgrading to


For latest information about the 19.07 series, refer to the wiki at:

To download the v19.07.0 images, navigate to:


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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