diff --git a/README b/README
index cd986170..6afd54a3 100644
--- a/README
+++ b/README
@@ -113,7 +113,7 @@ Known Limitations/Bugs
    +--------+-----------------+-----------------+-----------------+
 
 If you encounter any other problems or bugs please report them to our mailing
-list at openembedded-devel@lists.openembedded.org.
+list at yocto-patches@lists.yoctoproject.org.
 
 Usage instructions
 ------------------
diff --git a/conf/layer.conf b/conf/layer.conf
index 2e2ce167..bd8f5aeb 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -12,6 +12,8 @@ LAYERDEPENDS_meta-java += "openembedded-layer"
 
 LICENSE_PATH += "${LAYERDIR}/licenses"
 
+HOSTTOOLS_NONFATAL += "free"
+
 SIGGEN_EXCLUDERECIPES_ABISAFE += "\
     ca-certificates-java \
 "
diff --git a/recipes-core/classpath/classpath.inc b/recipes-core/classpath/classpath.inc
index 42c5daf4..35e7db3f 100644
--- a/recipes-core/classpath/classpath.inc
+++ b/recipes-core/classpath/classpath.inc
@@ -7,7 +7,7 @@ LICENSE = "GPL-2.0 & SAX-PD"
 
 PBN = "classpath"
 
-inherit autotools java gettext
+inherit autotools pkgconfig java gettext
 
 DEPENDS = "virtual/javac-native fastjar-native zip-native gmp antlr-native gtk+ gconf libxtst file"
 
diff --git a/recipes-core/icedtea/icedtea7-native.inc b/recipes-core/icedtea/icedtea7-native.inc
index 0f317bb8..d6f8fd75 100644
--- a/recipes-core/icedtea/icedtea7-native.inc
+++ b/recipes-core/icedtea/icedtea7-native.inc
@@ -21,9 +21,8 @@ CFLAGS:append = "${@bb.utils.contains('PACKAGECONFIG', 'x11', '', ' -DHEADLESS=t
 # Disable dead store elimination and set C++ standard to C++98.
 # There are dead stores in the JVM that would be pretty hard to
 # remove, so disable the optimisation in the compiler.
-CFLAGS:append = " -fno-tree-dse"
-CXXFLAGS:append = " -fno-tree-dse"
-CXX:append = " -std=gnu++98"
+CFLAGS:append = " -std=gnu++98 -fno-tree-dse -fno-tree-vectorize"
+CXXFLAGS:append = " -std=gnu++98 -fno-tree-dse"
 
 # WORKAROUND: ignore errors from new compilers
 CFLAGS:append = " -Wno-error=stringop-overflow -Wno-error=return-type"
diff --git a/recipes-core/openjdk/openjdk-7-common.inc b/recipes-core/openjdk/openjdk-7-common.inc
index 04352331..cba1ea63 100644
--- a/recipes-core/openjdk/openjdk-7-common.inc
+++ b/recipes-core/openjdk/openjdk-7-common.inc
@@ -459,3 +459,6 @@ ALTERNATIVE_LINK_NAME[javac] = "${bindir}/javac"
 ALTERNATIVE_LINK_NAME[keytool] = "${bindir}/keytool"
 
 ALTERNATIVE_PRIORITY = "50"
+
+# canon-prefix-map doesn't exist in gcc 12.x
+DEBUG_PREFIX_MAP:remove = "-fcanon-prefix-map"
diff --git a/recipes-core/openjdk/openjdk-8-common.inc b/recipes-core/openjdk/openjdk-8-common.inc
index 16e3816f..82bf31e0 100644
--- a/recipes-core/openjdk/openjdk-8-common.inc
+++ b/recipes-core/openjdk/openjdk-8-common.inc
@@ -194,3 +194,6 @@ BUILD_CXXFLAGS:append = " ${GLOBAL_FLAGS}"
 # flags for -cross
 TARGET_CFLAGS:append = " ${GLOBAL_FLAGS}"
 TARGET_CXXFLAGS:append = " ${GLOBAL_FLAGS}"
+
+# canon-prefix-map doesn't exist in gcc 12.x
+DEBUG_PREFIX_MAP:remove = "-fcanon-prefix-map"
diff --git a/recipes-core/rhino/rhino_1.7r4.bb b/recipes-core/rhino/rhino_1.7r4.bb
index 54329c19..d645e8a9 100644
--- a/recipes-core/rhino/rhino_1.7r4.bb
+++ b/recipes-core/rhino/rhino_1.7r4.bb
@@ -10,13 +10,14 @@ PACKAGE_ARCH = "${TUNE_PKGARCH}"
 
 inherit java-library
 
+SRCREV = "82ffb8f3e09e77e3b1f5782c35b621e7ca742b58"
 SRC_URI = "\
-	https://github.com/downloads/mozilla/rhino/rhino1_7R4.zip \
+	git://github.com/mozilla/rhino;protocol=https;branch=master \
 	file://rhino \
 	file://rhino-jsc \
 	"
 
-S = "${WORKDIR}/rhino1_7R4"
+S = "${WORKDIR}/git"
 
 PACKAGES = "${JPN} rhino"
 
@@ -45,6 +46,3 @@ do_install:append() {
 	install -m 0755 ${WORKDIR}/rhino ${D}${bindir}
 	install -m 0755 ${WORKDIR}/rhino-jsc ${D}${bindir}
 }
-
-SRC_URI[md5sum] = "ad67a3dff135e3a70f0c3528a2d6edf2"
-SRC_URI[sha256sum] = "9eb08f85bbe7c8e0b9eaffb1cf4984b31fb679f3c8a682acc3bb8ac20626c61e"
diff --git a/recipes-core/xerces-j/xerces-j_2.11.0.bb b/recipes-core/xerces-j/xerces-j_2.11.0.bb
index 159fc9c9..dcdd510e 100644
--- a/recipes-core/xerces-j/xerces-j_2.11.0.bb
+++ b/recipes-core/xerces-j/xerces-j_2.11.0.bb
@@ -12,7 +12,7 @@ LIC_FILES_CHKSUM = " \
                     file://LICENSE.serializer.txt;md5=d229da563da18fe5d58cd95a6467d584 \
                    "
 
-SRC_URI = "http://archive.apache.org/dist/xerces/j/Xerces-J-src.${PV}.tar.gz"
+SRC_URI = "http://archive.apache.org/dist/xerces/j/source/Xerces-J-src.${PV}.tar.gz"
 
 # CVE only applies to some Oracle Java SE and Red Hat Enterprise Linux versions.
 # Already fixed with updates and closed.