diff --git a/configure.ac b/configure.ac
index 0fa239e91d..ca5ca6b1c0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ AC_PREREQ([2.69])
 define(_CLIENT_VERSION_MAJOR, 27)
 define(_CLIENT_VERSION_MINOR, 1)
 define(_CLIENT_VERSION_BUILD, 0)
-define(_CLIENT_VERSION_RC, 1)
+define(_CLIENT_VERSION_RC, 0)
 define(_CLIENT_VERSION_IS_RELEASE, true)
 define(_COPYRIGHT_YEAR, 2024)
 define(_COPYRIGHT_HOLDERS,[The %s developers])
diff --git a/depends/packages/boost.mk b/depends/packages/boost.mk
index ab43764b38..5e61036227 100644
--- a/depends/packages/boost.mk
+++ b/depends/packages/boost.mk
@@ -1,6 +1,6 @@
 package=boost
 $(package)_version=1.81.0
-$(package)_download_path=https://boostorg.jfrog.io/artifactory/main/release/$($(package)_version)/source/
+$(package)_download_path=https://archives.boost.io/release/$($(package)_version)/source/
 $(package)_file_name=boost_$(subst .,_,$($(package)_version)).tar.bz2
 $(package)_sha256_hash=71feeed900fbccca04a3b4f2f84a7c217186f28a940ed8b7ed4725986baf99fa
 $(package)_patches=process_macos_sdk.patch
diff --git a/doc/man/namecoin-cli.1 b/doc/man/namecoin-cli.1
index a27e03380d..fb8c645150 100644
--- a/doc/man/namecoin-cli.1
+++ b/doc/man/namecoin-cli.1
@@ -1,7 +1,7 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.1.
-.TH NAMECOIN-CLI "1" "June 2024" "namecoin-cli v27.1.0rc1" "User Commands"
+.TH NAMECOIN-CLI "1" "June 2024" "namecoin-cli v27.1.0" "User Commands"
 .SH NAME
-namecoin-cli \- manual page for namecoin-cli v27.1.0rc1
+namecoin-cli \- manual page for namecoin-cli v27.1.0
 .SH SYNOPSIS
 .B namecoin-cli
 [\fI\,options\/\fR] \fI\,<command> \/\fR[\fI\,params\/\fR]  \fI\,Send command to Namecoin Core\/\fR
@@ -15,7 +15,7 @@ namecoin-cli \- manual page for namecoin-cli v27.1.0rc1
 .B namecoin-cli
 [\fI\,options\/\fR] \fI\,help <command>      Get help for a command\/\fR
 .SH DESCRIPTION
-Namecoin Core RPC client version v27.1.0rc1
+Namecoin Core RPC client version v27.1.0
 .SH OPTIONS
 .HP
 \-?
diff --git a/doc/man/namecoin-qt.1 b/doc/man/namecoin-qt.1
index 2fb03d2fa2..4b50ec2323 100644
--- a/doc/man/namecoin-qt.1
+++ b/doc/man/namecoin-qt.1
@@ -1,12 +1,12 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.1.
-.TH NAMECOIN-QT "1" "June 2024" "namecoin-qt v27.1.0rc1" "User Commands"
+.TH NAMECOIN-QT "1" "June 2024" "namecoin-qt v27.1.0" "User Commands"
 .SH NAME
-namecoin-qt \- manual page for namecoin-qt v27.1.0rc1
+namecoin-qt \- manual page for namecoin-qt v27.1.0
 .SH SYNOPSIS
 .B namecoin-qt
 [\fI\,command-line options\/\fR] [\fI\,URI\/\fR]
 .SH DESCRIPTION
-Namecoin Core version v27.1.0rc1
+Namecoin Core version v27.1.0
 .PP
 Optional URI is a Namecoin address in BIP21 URI format.
 .SH OPTIONS
diff --git a/doc/man/namecoin-tx.1 b/doc/man/namecoin-tx.1
index 0f9a99cc20..e61d502462 100644
--- a/doc/man/namecoin-tx.1
+++ b/doc/man/namecoin-tx.1
@@ -1,7 +1,7 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.1.
-.TH NAMECOIN-TX "1" "June 2024" "namecoin-tx v27.1.0rc1" "User Commands"
+.TH NAMECOIN-TX "1" "June 2024" "namecoin-tx v27.1.0" "User Commands"
 .SH NAME
-namecoin-tx \- manual page for namecoin-tx v27.1.0rc1
+namecoin-tx \- manual page for namecoin-tx v27.1.0
 .SH SYNOPSIS
 .B namecoin-tx
 [\fI\,options\/\fR] \fI\,<hex-tx> \/\fR[\fI\,commands\/\fR]  \fI\,Update hex-encoded transaction\/\fR
@@ -9,7 +9,7 @@ namecoin-tx \- manual page for namecoin-tx v27.1.0rc1
 .B namecoin-tx
 [\fI\,options\/\fR] \fI\,-create \/\fR[\fI\,commands\/\fR]   \fI\,Create hex-encoded transaction\/\fR
 .SH DESCRIPTION
-Namecoin Core namecoin\-tx utility version v27.1.0rc1
+Namecoin Core namecoin\-tx utility version v27.1.0
 .SH OPTIONS
 .HP
 \-?
diff --git a/doc/man/namecoin-util.1 b/doc/man/namecoin-util.1
index 3b9278f698..28f5544206 100644
--- a/doc/man/namecoin-util.1
+++ b/doc/man/namecoin-util.1
@@ -1,12 +1,12 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.1.
-.TH NAMECOIN-UTIL "1" "June 2024" "namecoin-util v27.1.0rc1" "User Commands"
+.TH NAMECOIN-UTIL "1" "June 2024" "namecoin-util v27.1.0" "User Commands"
 .SH NAME
-namecoin-util \- manual page for namecoin-util v27.1.0rc1
+namecoin-util \- manual page for namecoin-util v27.1.0
 .SH SYNOPSIS
 .B bitcoin-util
 [\fI\,options\/\fR] [\fI\,commands\/\fR]  \fI\,Do stuff\/\fR
 .SH DESCRIPTION
-Namecoin Core bitcoin\-util utility version v27.1.0rc1
+Namecoin Core bitcoin\-util utility version v27.1.0
 .SH OPTIONS
 .HP
 \-?
diff --git a/doc/man/namecoin-wallet.1 b/doc/man/namecoin-wallet.1
index eacad92bdb..785440f0f7 100644
--- a/doc/man/namecoin-wallet.1
+++ b/doc/man/namecoin-wallet.1
@@ -1,9 +1,9 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.1.
-.TH NAMECOIN-WALLET "1" "June 2024" "namecoin-wallet v27.1.0rc1" "User Commands"
+.TH NAMECOIN-WALLET "1" "June 2024" "namecoin-wallet v27.1.0" "User Commands"
 .SH NAME
-namecoin-wallet \- manual page for namecoin-wallet v27.1.0rc1
+namecoin-wallet \- manual page for namecoin-wallet v27.1.0
 .SH DESCRIPTION
-Namecoin Core namecoin\-wallet version v27.1.0rc1
+Namecoin Core namecoin\-wallet version v27.1.0
 .PP
 namecoin\-wallet is an offline tool for creating and interacting with Namecoin Core wallet files.
 By default namecoin\-wallet will act on wallets in the default mainnet wallet directory in the datadir.
diff --git a/doc/man/namecoind.1 b/doc/man/namecoind.1
index 18db44a226..e281b55d25 100644
--- a/doc/man/namecoind.1
+++ b/doc/man/namecoind.1
@@ -1,12 +1,12 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.1.
-.TH NAMECOIND "1" "June 2024" "namecoind v27.1.0rc1" "User Commands"
+.TH NAMECOIND "1" "June 2024" "namecoind v27.1.0" "User Commands"
 .SH NAME
-namecoind \- manual page for namecoind v27.1.0rc1
+namecoind \- manual page for namecoind v27.1.0
 .SH SYNOPSIS
 .B namecoind
 [\fI\,options\/\fR]                     \fI\,Start Namecoin Core\/\fR
 .SH DESCRIPTION
-Namecoin Core version v27.1.0rc1
+Namecoin Core version v27.1.0
 .SH OPTIONS
 .HP
 \-?
diff --git a/doc/release-notes.md b/doc/release-notes.md
index 165cdaec92..b19d70da33 100644
--- a/doc/release-notes.md
+++ b/doc/release-notes.md
@@ -1,9 +1,9 @@
-27.1rc1 Release Notes
+27.1 Release Notes
 =====================
 
-Bitcoin Core version 27.1rc1 is now available from:
+Bitcoin Core version 27.1 is now available from:
 
-  <https://bitcoincore.org/bin/bitcoin-core-27.1/test.rc1/>
+  <https://bitcoincore.org/bin/bitcoin-core-27.1/>
 
 This release includes various bug fixes and performance
 improvements, as well as updated translations.
@@ -74,6 +74,8 @@ Notable changes
 - #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
+- #30216 build: Fix building fuzz binary on on SunOS / illumos
+- #30217 depends: Update Boost download link
 
 ### Doc
 
diff --git a/src/Makefile.test.include b/src/Makefile.test.include
index 7c3188d34b..af6f6ef465 100644
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -280,7 +280,7 @@ FUZZ_SUITE_LD_COMMON += $(LIBBITCOIN_ZMQ) $(ZMQ_LIBS)
 endif
 
 if ENABLE_FUZZ_BINARY
-test_fuzz_fuzz_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(BOOST_CPPFLAGS)
+test_fuzz_fuzz_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(BOOST_CPPFLAGS) $(EVENT_CFLAGS)
 test_fuzz_fuzz_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 test_fuzz_fuzz_LDADD = $(FUZZ_SUITE_LD_COMMON)
 test_fuzz_fuzz_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(PTHREAD_FLAGS)