diff --git a/build/pkgs/numpy/checksums.ini b/build/pkgs/numpy/checksums.ini
index 70cc0ddaefd..886bc13768b 100644
--- a/build/pkgs/numpy/checksums.ini
+++ b/build/pkgs/numpy/checksums.ini
@@ -1,5 +1,5 @@
 tarball=numpy-VERSION.tar.gz
-sha1=6c7f2278b4ddd113b30821e7e4d5f246dc3ee735
-md5=8b2692a511a3795f3af8af2cd7566a15
-cksum=3950457778
+sha1=a3f9d79d7852f5d35ff35693fc31d17ea270d2d0
+md5=69bd28f07afbeed2bb6ecd467afcd469
+cksum=3599108965
 upstream_url=https://pypi.io/packages/source/n/numpy/numpy-VERSION.tar.gz
diff --git a/build/pkgs/numpy/dependencies b/build/pkgs/numpy/dependencies
index 63faafe335a..712b5be5e5e 100644
--- a/build/pkgs/numpy/dependencies
+++ b/build/pkgs/numpy/dependencies
@@ -1,4 +1,4 @@
- $(BLAS) gfortran | $(PYTHON_TOOLCHAIN) pkgconfig cython $(PYTHON)
+$(BLAS) gfortran | $(PYTHON_TOOLCHAIN) pkgconfig cython meson_python $(PYTHON)
 
 ----------
 All lines of this file are ignored except the first.
diff --git a/build/pkgs/numpy/lapack_conf.py b/build/pkgs/numpy/lapack_conf.py
deleted file mode 100644
index eeb9ffaf72c..00000000000
--- a/build/pkgs/numpy/lapack_conf.py
+++ /dev/null
@@ -1,37 +0,0 @@
-#!/usr/bin/env python3
-
-import pkgconfig, os
-
-conf_file=open('site.cfg', 'w')
-
-pc_blas   = pkgconfig.parse('cblas blas')
-pc_lapack = pkgconfig.parse('lapack')
-
-if os.environ['UNAME'] == 'Darwin':
-    # on macOS, if openblas is available (the default), use it instead of the
-    # macOS Accelerate framework
-    if 'openblas' in pc_blas.get('libraries', []):
-        conf_file.write('[openblas]\n')
-        conf_file.write('libraries    = '+', '.join(pc_blas['libraries'])+'\n')
-        inc_dir = pc_blas['include_dirs']
-        if len(inc_dir) > 0:
-            conf_file.write('include_dirs = '+ ':'.join(inc_dir)+'\n')
-        lib_dir = pc_blas['library_dirs']
-        if len(lib_dir) > 0:
-            conf_file.write('library_dirs = '+ ':'.join(lib_dir)+'\n')
-else:
-    conf_file.write('[blas]\n')
-    inc_dir = pc_blas['include_dirs']
-    if len(inc_dir) > 0:
-        conf_file.write('include_dirs = '+ ':'.join(inc_dir)+'\n')
-    lib_dir = pc_blas['library_dirs']
-    if len(lib_dir) > 0:
-        conf_file.write('library_dirs = '+ ':'.join(lib_dir)+'\n')
-    conf_file.write('blas_libs    = '+', '.join(pc_blas['libraries'])+'\n')
-    conf_file.write('[lapack]\n')
-    lib_dir = pc_lapack['library_dirs']
-    if len(lib_dir) > 0:
-        conf_file.write('library_dirs = '+ ':'.join(lib_dir)+'\n')
-    conf_file.write('lapack_libs  = '+', '.join(pc_lapack['libraries'])+'\n')
-
-conf_file.close()
diff --git a/build/pkgs/numpy/package-version.txt b/build/pkgs/numpy/package-version.txt
index ca8ec414e78..5ff8c4f5d2a 100644
--- a/build/pkgs/numpy/package-version.txt
+++ b/build/pkgs/numpy/package-version.txt
@@ -1 +1 @@
-1.23.5
+1.26.0
diff --git a/build/pkgs/numpy/patches/21891.patch b/build/pkgs/numpy/patches/21891.patch
deleted file mode 100644
index 095fa894ebb..00000000000
--- a/build/pkgs/numpy/patches/21891.patch
+++ /dev/null
@@ -1,31 +0,0 @@
-From c7894260aaf36c447dd091bf622c7c2bcdb15a28 Mon Sep 17 00:00:00 2001
-From: Matthias Koeppe <mkoeppe@math.ucdavis.edu>
-Date: Thu, 30 Jun 2022 13:18:46 -0700
-Subject: [PATCH] setup.py: Remove check for SETUPTOOLS_USE_DISTUTILS
-
----
- setup.py | 11 -----------
- 1 file changed, 11 deletions(-)
-
-diff --git a/setup.py b/setup.py
-index 353b6c09693..2bc70173eca 100755
---- a/setup.py
-+++ b/setup.py
-@@ -85,17 +85,6 @@
- # so that it is in sys.modules
- import numpy.distutils.command.sdist
- import setuptools
--if int(setuptools.__version__.split('.')[0]) >= 60:
--    # setuptools >= 60 switches to vendored distutils by default; this
--    # may break the numpy build, so make sure the stdlib version is used
--    try:
--        setuptools_use_distutils = os.environ['SETUPTOOLS_USE_DISTUTILS']
--    except KeyError:
--        os.environ['SETUPTOOLS_USE_DISTUTILS'] = "stdlib"
--    else:
--        if setuptools_use_distutils != "stdlib":
--            raise RuntimeError("setuptools versions >= '60.0.0' require "
--                    "SETUPTOOLS_USE_DISTUTILS=stdlib in the environment")
- 
- # Initialize cmdclass from versioneer
- from numpy.distutils.core import numpy_cmdclass
diff --git a/build/pkgs/numpy/patches/cython3-legacy.patch b/build/pkgs/numpy/patches/cython3-legacy.patch
deleted file mode 100644
index dfcb9c4a69c..00000000000
--- a/build/pkgs/numpy/patches/cython3-legacy.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff --git a/tools/cythonize.py b/tools/cythonize.py
-index 002b2fa..c04422e 100755
---- a/tools/cythonize.py
-+++ b/tools/cythonize.py
-@@ -47,6 +47,7 @@ def process_pyx(fromfile, tofile):
-     flags = ['-3', '--fast-fail']
-     if tofile.endswith('.cxx'):
-         flags.append('--cplus')
-+    flags += ['--directive', 'legacy_implicit_noexcept=true']
- 
-     subprocess.check_call(
-         [sys.executable, '-m', 'cython'] + flags + ["-o", tofile, fromfile])
diff --git a/build/pkgs/numpy/spkg-install.in b/build/pkgs/numpy/spkg-install.in
index e28660f393f..baebfd466a7 100644
--- a/build/pkgs/numpy/spkg-install.in
+++ b/build/pkgs/numpy/spkg-install.in
@@ -3,57 +3,33 @@ cd src
 
 set -e
 
-if [ `uname` = "Darwin" ]; then
-    unset ATLAS
-    unset BLAS
-    unset LAPACK
-    # https://github.com/sagemath/sage/issues/34110#comment:35
-    # The fix for "reciprocal" (affected by a clang compiler bug) in
-    # https://github.com/numpy/numpy/pull/19926 relies on -ftrapping-math
-    # being used when Apple clang v12+ is used.
-    # But numpy.distutils.ccompiler only sets this flag when
-    # $CC contains the string "clang" -- missing the case CC=/usr/bin/gcc.
-    # So we set it here explicitly if the compiler supports the flag.
-    export CFLAGS="$(testcflags.sh $CFLAGS -ftrapping-math)"
-else
-    export {ATLAS,PTATLAS,OPENBLAS,MKL,MKLROOT}=None
-    export LDFLAGS="${LDFLAGS} -shared"
-fi
+# https://github.com/scipy/scipy/issues/16536 - meson breaks when CXX="g++ -std=gnu++11"
+# -- this also affects numpy
+export CXX=$(echo "$CXX" | sed 's/-std=[a-z0-9+]*//g')
 
 if [ "$UNAME" = "CYGWIN" ]; then
     # Trac #30643
     export CPPFLAGS="${CPPFLAGS} -D_GNU_SOURCE"
 fi
 
-# Trac #32746: pkg-config omits -I and -L flags that refer to directories
-# that are already on CPATH, LIBRARY_PATH.
-# But our script tries to obtain the list of include_dirs and library_dirs
-# from pkg-config!
-(unset CPATH LIBRARY_PATH; python3 ../lapack_conf.py)
-
-# Make sure that the fortran objects are compiled with -fPIC
-export FFLAGS="$FFLAGS -fPIC"
-export FCFLAGS="$FCFLAGS -fPIC"
-
 if [ "$SAGE_FAT_BINARY" = "yes" ]; then
     export NUMPY_FCONFIG="--cpu-baseline=NONE"
 else
     export NUMPY_FCONFIG=""
 fi
 
-# Trac #32423: Fix 32-bit builds on x86_64
-ARCH=$($CC -dumpmachine 2>/dev/null || echo unknown)
-case "$ARCH" in
-    *x86_64*)
-        ;;
-    *)
-        export NPY_DISABLE_SVML=1
-        ;;
-esac
-
-################################################
-
-# Trac #33138: numpy is a PEP 517 package, so the crucial "--build-option"s would be ignored.
-eval sdh_pip_install --no-use-pep517 \
-     $(eval sdh_prefix_args "--build-option" build ${NUMPY_CONFIG} ${NUMPY_FCONFIG}) \
-     .
+### Per https://github.com/numpy/numpy/releases/tag/v1.26.0b1
+### "NumPy-specific build customization":
+###
+### The NPY_* environment variables which control BLAS/LAPACK, SIMD,
+### threading, and other such options are no longer supported, nor is
+### a site.cfg file to select BLAS and LAPACK. Instead, there are
+### command-line flags that can be passed to the build via pip/build's
+### config-settings interface.  These flags are all listed in
+### https://github.com/numpy/numpy/blob/main/meson_options.txt
+###
+### 1.26.0b1 temporarily vendors Meson and meson-python
+### http://scipy.github.io/devdocs/building/index.html
+
+
+sdh_pip_install .
diff --git a/build/pkgs/pip/checksums.ini b/build/pkgs/pip/checksums.ini
index 1ae66fbc20a..9b6376d1abb 100644
--- a/build/pkgs/pip/checksums.ini
+++ b/build/pkgs/pip/checksums.ini
@@ -1,5 +1,5 @@
 tarball=pip-VERSION.tar.gz
-sha1=29167fffe19874a74247fe92f4fdba1bb1221c61
-md5=996f58a94fe0b8b82b6795c42bd171ba
-cksum=537001443
+sha1=4bdfd8e976b5122cf55f4f4740f7305f1ffa4310
+md5=e9b1226701a56ee3fcc81aba60d25d75
+cksum=1940746834
 upstream_url=https://pypi.io/packages/source/p/pip/pip-VERSION.tar.gz
diff --git a/build/pkgs/pip/package-version.txt b/build/pkgs/pip/package-version.txt
index 4c3dad97552..3f833b5b536 100644
--- a/build/pkgs/pip/package-version.txt
+++ b/build/pkgs/pip/package-version.txt
@@ -1 +1 @@
-22.3.1
+23.2.1
diff --git a/build/pkgs/setuptools/SPKG.rst b/build/pkgs/setuptools/SPKG.rst
index a50e171a98d..bb69c65b66a 100644
--- a/build/pkgs/setuptools/SPKG.rst
+++ b/build/pkgs/setuptools/SPKG.rst
@@ -7,13 +7,6 @@ Description
 setuptools is the classical build system for Python packages,
 a collection of enhancements to the Python distutils.
 
-This package represents version 63.x of ``setuptools``.
-Sage installs this version to provide the build system
-for non-PEP 517 packages. In particular, Sage uses it
-for building ``numpy``, whose build system ``numpy.distutils`` 
-is not compatible with newer versions of ``setuptools``,
-see https://github.com/numpy/numpy/pull/22154
-
 License
 -------
 
diff --git a/build/pkgs/setuptools/checksums.ini b/build/pkgs/setuptools/checksums.ini
index d47099a8019..150e3c25335 100644
--- a/build/pkgs/setuptools/checksums.ini
+++ b/build/pkgs/setuptools/checksums.ini
@@ -1,5 +1,5 @@
 tarball=setuptools-VERSION.tar.gz
-sha1=b14b8e2cf965fdb6870ebfccee50c751c056f757
-md5=02a0e4dc4fa13168904e8769a077aa26
-cksum=2734084418
+sha1=b0c9b16863c57d70adc22651906eea7eaee09803
+md5=d967ca2ba7f46db887daee2d5c9bd6a2
+cksum=2346145273
 upstream_url=https://pypi.io/packages/source/s/setuptools/setuptools-VERSION.tar.gz
diff --git a/build/pkgs/setuptools/install-requires.txt b/build/pkgs/setuptools/install-requires.txt
index e0cf7c9b5dc..c12b5900873 100644
--- a/build/pkgs/setuptools/install-requires.txt
+++ b/build/pkgs/setuptools/install-requires.txt
@@ -1 +1,3 @@
-setuptools >=49.6.0, <64
+# 68.1.0 Promote pyproject.toml's [tool.setuptools] out of beta.
+# 68.1.1 Fix editable install finder handling of nested packages
+setuptools >= 68.1.1
diff --git a/build/pkgs/setuptools/package-version.txt b/build/pkgs/setuptools/package-version.txt
index fe3c6688881..fc312b9c8c1 100644
--- a/build/pkgs/setuptools/package-version.txt
+++ b/build/pkgs/setuptools/package-version.txt
@@ -1 +1 @@
-63.4.3
+68.2.2
diff --git a/build/pkgs/setuptools_wheel/SPKG.rst b/build/pkgs/setuptools_wheel/SPKG.rst
index b77a6679f8f..c78602a296a 100644
--- a/build/pkgs/setuptools_wheel/SPKG.rst
+++ b/build/pkgs/setuptools_wheel/SPKG.rst
@@ -3,6 +3,3 @@ setuptools_wheel: Build the setuptools package as a wheel
 
 After installing setuptools and wheel, we build a wheel of setuptools
 to complete the set of wheels stored in our wheelhouse.
-
-This version of setuptools is suitable for PEP 517/518/660 builds,
-but it is not suitable for building ``numpy``.
diff --git a/build/pkgs/setuptools_wheel/checksums.ini b/build/pkgs/setuptools_wheel/checksums.ini
deleted file mode 100644
index 8db0d8c3016..00000000000
--- a/build/pkgs/setuptools_wheel/checksums.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-tarball=setuptools-VERSION.tar.gz
-sha1=2875e8f9a12d8a971461b36e2d1bd64a3497e0f2
-md5=1fd8bd04b0bed95ad6c81f03b1c080bc
-cksum=1462078737
-upstream_url=https://pypi.io/packages/source/s/setuptools/setuptools-VERSION.tar.gz
diff --git a/build/pkgs/setuptools_wheel/checksums.ini b/build/pkgs/setuptools_wheel/checksums.ini
new file mode 120000
index 00000000000..4f64d3ce107
--- /dev/null
+++ b/build/pkgs/setuptools_wheel/checksums.ini
@@ -0,0 +1 @@
+../setuptools/checksums.ini
\ No newline at end of file
diff --git a/build/pkgs/setuptools_wheel/install-requires.txt b/build/pkgs/setuptools_wheel/install-requires.txt
deleted file mode 100644
index d3767a68c8f..00000000000
--- a/build/pkgs/setuptools_wheel/install-requires.txt
+++ /dev/null
@@ -1 +0,0 @@
-setuptools >= 65.6
diff --git a/build/pkgs/setuptools_wheel/install-requires.txt b/build/pkgs/setuptools_wheel/install-requires.txt
new file mode 120000
index 00000000000..c5cfb4ff0a9
--- /dev/null
+++ b/build/pkgs/setuptools_wheel/install-requires.txt
@@ -0,0 +1 @@
+../setuptools/install-requires.txt
\ No newline at end of file
diff --git a/build/pkgs/setuptools_wheel/package-version.txt b/build/pkgs/setuptools_wheel/package-version.txt
deleted file mode 100644
index c1a8c8394ad..00000000000
--- a/build/pkgs/setuptools_wheel/package-version.txt
+++ /dev/null
@@ -1 +0,0 @@
-65.6.3
diff --git a/build/pkgs/setuptools_wheel/package-version.txt b/build/pkgs/setuptools_wheel/package-version.txt
new file mode 120000
index 00000000000..5268dbec8f6
--- /dev/null
+++ b/build/pkgs/setuptools_wheel/package-version.txt
@@ -0,0 +1 @@
+../setuptools/package-version.txt
\ No newline at end of file
diff --git a/src/sage/repl/ipython_kernel/kernel.py b/src/sage/repl/ipython_kernel/kernel.py
index 73681716aa2..db7554eed59 100644
--- a/src/sage/repl/ipython_kernel/kernel.py
+++ b/src/sage/repl/ipython_kernel/kernel.py
@@ -16,7 +16,18 @@
 # ***************************************************************************
 
 import sys
-from ipykernel.ipkernel import IPythonKernel
+import warnings
+with warnings.catch_warnings():
+    # When upstream pydevd (as opposed to the bundled version) is used
+    # with debugpy, a PEP 420 warning is emitted. Debugpy and/or
+    # pydevd will eventually work around this, but as of September
+    # 2023, hiding the warning gives us more flexibility in the
+    # versions of those packages that we can accept.
+    warnings.filterwarnings("ignore",
+                            message=r".*pkg_resources\.declare_namespace",
+                            category=DeprecationWarning)
+    from ipykernel.ipkernel import IPythonKernel
+
 from ipykernel.zmqshell import ZMQInteractiveShell
 from traitlets import Type