Rebooted with 5.2.8. all is good. Funny though, it updated to like 5.2.11, so I rebooted with 5.2.9 and still no wifi. Had to fall back two kernels to 5.2.8.
Anyone else, or am I just lucky?
$ sudo lspci -v | grep “Network controller” -A 12
06:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8821AE 802.11ac PCIe Wireless Network Adapter
Subsystem: AzureWave Device 2161
Flags: bus master, fast devsel, latency 0, IRQ 55, NUMA node 0
I/O ports at c000 [size=256]
Memory at fe600000 (64-bit, non-prefetchable) [size=16K]
Capabilities:  Power Management version 3
Capabilities:  MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities:  Express Endpoint, MSI 00
Capabilities:  Advanced Error Reporting
Capabilities:  Device Serial Number 00-e0-4c-ff-fe-87-2b-01
Capabilities:  Latency Tolerance Reporting
Capabilities:  L1 PM Substates
Kernel driver in use: rtl8821ae