News239: describe 24149 miniscript signing support

Author: murchandamus

_posts/en/newsletters/2023-02-22-newsletter.md

@@ -204,7 +204,16 @@ Interface (HWI)][hwi repo], [Rust Bitcoin][rust bitcoin repo], [BTCPay
 Server][btcpay server repo], [BDK][bdk repo], [Bitcoin Improvement
 Proposals (BIPs)][bips repo], and [Lightning BOLTs][bolts repo].*
 
-- [Bitcoin Core #24149][] Signing support for Miniscript Descriptors FIXME:Xekyo
+- [Bitcoin Core #24149][] adds signing support for P2WSH-based
+  [miniscript][topic miniscript]-based [output descriptors][topic
+  descriptors]. Bitcoin Core will be able to sign any miniscript
+  descriptor input if all the necessary preimages and keys are
+  available and timelocks are satisfied. Some features are still
+  missing for full Miniscript support in the Bitcoin Core wallet: the
+  wallet cannot yet estimate the input weight for some descriptors
+  before signing and cannot yet sign [PSBTs][topic PSBT] in some
+  edge-cases. Miniscript support for P2TR outputs is also still
+  pending.
 
 - [Bitcoin Core #25344][] updates the `bumpfee` and `psbtbumpfee` RPCs
   for creating [Replace By Fee][topic rbf] (RBF) fee bumps.  The update

_topics/en/miniscript.md

@@ -70,6 +70,9 @@ optech_mentions:
   - title: "2022 year-in-review: miniscript descriptors in Bitcoin Core"
     url: /en/newsletters/2022/12/21/#miniscript-descriptors
 
+  - title: "Bitcoin Core #24149 adds signing support for P2WSH-based miniscript-based output descriptors"
+    url: /en/newsletters/2023/02/22/#bitcoin-core-24149
+
 ## Optional.  Same format as "primary_sources" above
 see_also:
   - title: "Miniscript: streamlined Bitcoin scripting"