doc: update release-notes.md for 27.1

doc/release-notes.md

@@ -1,6 +1,9 @@
-Bitcoin Core version 27.x is now available from:
+27.1rc1 Release Notes
+=====================
 
-  <https://bitcoincore.org/bin/bitcoin-core-27.x/>
+Bitcoin Core version 27.1rc1 is now available from:
+
+  <https://bitcoincore.org/bin/bitcoin-core-27.1/test.rc1/>
 
 This release includes various bug fixes and performance
 improvements, as well as updated translations.
@@ -45,20 +48,32 @@ Notable changes
 
 - #29869 rpc, bugfix: Enforce maximum value for setmocktime
 - #29870 rpc: Reword SighashFromStr error message
+- #30094 rpc: move UniValue in blockToJSON
 
 ### Index
 
 - #29776 Fix #29767, set m_synced = true after Commit()
 
+### Gui
+
+- #gui812 Fix create unsigned transaction fee bump
+- #gui813 Don't permit port in proxy IP option
+
 ### Test
 
 - #29892 test: Fix failing univalue float test
 
+### P2P
+
+- #30085 p2p: detect addnode cjdns peers in GetAddedNodeInfo()
+
 ### Build
 
 - #29747 depends: fix mingw-w64 Qt DEBUG=1 build
 - #29859 build: Fix false positive CHECK_ATOMIC test
 - #29985 depends: Fix build of Qt for 32-bit platforms with recent glibc
+- #30097 crypto: disable asan for sha256_sse4 with clang and -O0
+- #30151 depends: Fetch miniupnpc sources from an alternative website
 
 ### Doc
 
@@ -71,6 +86,7 @@ Notable changes
 ### Misc
 
 - #29691 Change Luke Dashjr seed to dashjr-list-of-p2p-nodes.us
+- #30149 contrib: Renew Windows code signing certificate
 
 Credits
 =======
@@ -78,14 +94,19 @@ Credits
 Thanks to everyone who directly contributed to this release:
 
 - Antoine Poinsot
+- Ava Chow
+- Cory Fields
 - dergoegge
 - fanquake
+- furszy
 - Hennadii Stepanov
+- Jon Atack
 - laanwj
 - Luke Dashjr
 - MarcoFalke
 - nanlour
 - Sjors Provoost
+- willcl-ark
 
 As well as to everyone that helped with translations on
 [Transifex](https://www.transifex.com/bitcoin/bitcoin/).