MikroTik actually released the updated 802.11ac drivers (without a fix for the 4011, though):
Most of the features are implemented, but MU-MIMO is WIP Any validity of the statement?
What is the current status of wave 2 features in Mikrotik wireless drivers?
Most of the features are implemented, but MU-MIMO is WIP
Most of the features are implemented, but MU-MIMO is WIP Any validity of the statement?
which featues are missing now? we already released the driver update in last betas.
160MHz works, like Reinis said, only MU-MIMO is not implemented as the only remaining Wave2 feature.
Version 6.46beta6 has been released. Before an upgrade: Remember to make backup/export files before an upgrade and save them on another storage device; Make sure the device will not lose power during upgrade process; Device has enough free storage space for all RouterOS packages to be downloaded. What’s new in 6.46beta6 (2019-Jul-04 11:53): Changes in this release: *) cloud - properly stop “time-zone-autodetect” after disable; *) conntrack - properly start manually enabled connection trac…
Version 6.46beta16 has been released.
*) wireless - improved 802.11ac stability for all ARM devices with wireless;
*) wireless - improved U-APSD (WMM Power Save) support for 802.11e;