[OpenWrt-Devel] OpenWrt 18.06.0 final

Jo-Philipp Wich jo at mein.io
Wed Aug 1 05:32:11 PDT 2018


The OpenWrt community is proud to announce the first release of the
OpenWrt 18.06 stable version series. It incorporates over 4000 commits
since branching the previous LEDE 17.01 release and has been under
development for well over a year.

With this release, the re-merged OpenWrt project attempts to define a
baseline for future development based on the technological modernization
and refined release processes done by the former LEDE project.


Some selected highlights of this release since the previous LEDE 17.01
and OpenWrt Chaos Calmer 15.05 versions are:

  * Linux kernel updated to version either 4.9.111 or 4.14.52, depending
    on the architecture
  * Updated toolchain:
    * musl libc 1.1.19
    * uClibc-ng 1.0.30
    * glibc 2.26+
    * gcc 7.3.0
    * binutils 2.29.1
  * Updated Linux kernel:
    * Kernel 4.9.111 for ar7, ar71xx, arc770, at91, brcm2708, brcm63xx,
      ixp4xx, lantiq, layerscape, mpc85xx, orion, rb532 and uml
    * Kernel 4.14.52 for apm821xx, archs38, armvirt, ath25, bcm53xx,
      brcm47xx, cns3xxx, gemini, imx6, ipq40xx, ipq806x, kirkwood,
      malta, mediatek, mvebu, mxs, octeon, octeontx, omap, oxnas,
      pistachio, ramips, sunxi and x86
    * Backported network flow offloading support for targets using the
      4.14 Linux kernel
  * Network userland:
    * IPv6 related fixes in DHCPv6 client and servers
    * Support for user DHCPv6 client options in sent packets
    * DHCP forced renew support (RFC6704) in odhcpd
    * Firewall support for conntrack helper setup and better ipset
    * Introduced support for configuring GRE, GRE-TAP, VETH, VTI, VXLAN
    * CAKE v20180716 includes tc filter classification making ingress
      prioritisation easier
    * Cake & sqm-scripts updated representing state of the art
      mitigations for bufferbloat
    * Wireguard VPN v20180625 with MIPS optimisations and flow-offload
  * System userland:
    * Improvements in system upgrade procedure
    * Bugfixes in the process manager, system message bus, embedded
      webserver and the configuration management library
  * Platform and Driver Support
    * Dropped adm5120, adm8668, au1000, mcs814x, omap24xx, ppc40x,
      ppc44x, xburst and zynq targets
    * Added Spectre and Meltdown mitigations as well as microcode
      loading support to x86
    * Rebased oxnas target on top of upstream Kernel 4.14 support
    * Updates and new device support across all targets
  * Web interface:
    * New auto-rollback functionality to revert configuration changes
      when access to the router is lost
    * Better support for displaying virtual interfaces and low level
      configuration errors
    * Security improvements

For a detailed list of changes since 18.06.0-rc2, see

For a complete list of changes since branching the previous old stable
LEDE 17.01 release refer to


Known issues:

  * Support for a hardware-bug workaround needed for devices having an
    AT8032 ethernet phy accidentally got dropped. Hence devices with
    that ethernet chip may experience connectivity issues. At least
    ubnt-loco-m-xw and most likely other single-port ubnt devices are
    affected. [fix merged, queued for 18.06.1]
  * Using ip4ip6 tunnel interface as a fallback interface accepting
    ip4-in-ip6 tunneled packets from any remote address doesn't work.
    [fix merged, queued for 18.06.1]
  * Support for PCIe on ox820 is broken, results in missing USB3 support
    on Shuttle KD20 [driver needs more work]
  * 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
    and consider downgrading to LEDE 17.01.5 or using the Image Builder
    to pack a smaller custom image.
  * Some devices, such as the Netgear R6100, may lack 5GHz wireless AC
    support. Investigation is ongoing and a fix is expected for 18.06.1.
    Affected users shall downgrade to LEDE 17.01.5 for the time being
    and wait for the first service release.
  * Devices using the mt76 wireless driver may experience stability
    issues on 2.4GHz
  * The legacy at91 and legacy ath25 (formerly “atheros”) targets failed
    to build due to image size constraints and are not part of the
  * A GUI bug prevents selecting and scrolling text in the system and
    kernel log pages. To solve, either upgrade “luci-theme-bootstrap”
    using opkg or switch to another theme. [fix merged, queued for
  * Any outstanding issues reported at https://bugs.lede-project.org/


For latest information about the 18.06 series, refer to the wiki at:

To download the v18.06.0 images, navigate to:


With the release of OpenWrt 18.06, the old OpenWrt 15.05 series is
marked end of life and will not get any support any more, not even for
severe security problems. LEDE 17.01 will still get some security
support for a limited time. We encourage everyone to upgrade to OpenWrt
18.06 to get the best support.

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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