News108: add bitcoin core 19473

Author: bitschmidty

_posts/en/newsletters/2020-07-29-newsletter.md

@@ -93,9 +93,6 @@ release candidates.*
 [Hardware Wallet Interface (HWI)][hwi], [Bitcoin Improvement Proposals
 (BIPs)][bips repo], and [Lightning BOLTs][bolts repo].*
 
-- [Bitcoin Core #19473][] net: Add -networkactive option
-  FIXME:bitschmidty
-
 - [Bitcoin Core #18044][] adds support for witness txid (wtxid)
   transaction inventory announcements (`inv`) and requests (`getdata`)
   as described in BIP339 (see [Newsletter #104][news104 bip339]).  Prior
@@ -162,6 +159,12 @@ release candidates.*
     No clear conclusion on which of these options to follow has been
     reached.
 
+- [Bitcoin Core #19473][] adds support for `networkactive` as both a command line
+  start-up and configuration file option. Setting this option enables or
+  disables all P2P network activity. After the node has been started, network
+  activity can be toggled using the existing `setnetworkactive` RPC or the network
+  activity button in the GUI.
+
 - [Eclair #1485][] adds support for [spontaneous payments][topic
   spontaneous payments] using the same keysend protocol previously
   implemented by LND (see [Newsletter #30][news30 spont]) and