diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..0b84a24
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,13 @@
+# Keep GitHub Actions up to date with GitHub's Dependabot...
+# https://docs.github.com/en/code-security/dependabot/working-with-dependabot/keeping-your-actions-up-to-date-with-dependabot
+# https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file#package-ecosystem
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    groups:
+      github-actions:
+        patterns:
+          - "*"  # Group all Actions updates into a single larger pull request
+    schedule:
+      interval: monthly
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
new file mode 100644
index 0000000..459bb5a
--- /dev/null
+++ b/.github/workflows/tests.yml
@@ -0,0 +1,62 @@
+name: tests
+
+on: [push, pull_request]
+
+env:
+  PYTHONHASHSEED: 1042466059
+  ZOPE_INTERFACE_STRICT_IRO: 1
+
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        python-version:
+          - "pypy-3.10"
+          - "3.11"
+          - "3.12"
+          - "3.13"
+        extras:
+          - "[test,docs]"
+        include:
+          - python-version: "3.13"
+            extras: "[test,docs,gevent,pyramid]"
+
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+        cache: 'pip'
+        cache-dependency-path: 'setup.py'
+    - name: Install dependencies
+      run: |
+        python -m pip install -U pip setuptools wheel
+        python -m pip install -U coverage
+        python -m pip install -v -U -e ".${{ matrix.extras }}"
+    - name: Test
+      run: |
+        python -m coverage run -m zope.testrunner --test-path=src  --auto-color --auto-progress
+        coverage run -a -m sphinx -b doctest -d docs/_build/doctrees docs docs/_build/doctests
+        coverage combine || true
+        coverage report -i || true
+    - name: Lint
+      if: matrix.python-version == '3.12'
+      run: |
+        python -m pip install -U pylint
+        pylint src
+    - name: Submit to Coveralls
+      uses: coverallsapp/github-action@v2
+      with:
+        parallel: true
+
+  coveralls_finish:
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+    - name: Coveralls Finished
+      uses: coverallsapp/github-action@v2
+      with:
+        parallel-finished: true
diff --git a/.pylintrc b/.pylintrc
new file mode 100644
index 0000000..814d8a3
--- /dev/null
+++ b/.pylintrc
@@ -0,0 +1,220 @@
+[MASTER]
+load-plugins=pylint.extensions.bad_builtin,
+   pylint.extensions.check_elif,
+   pylint.extensions.code_style,
+   pylint.extensions.dict_init_mutate,
+   pylint.extensions.docstyle,
+   pylint.extensions.dunder,
+   pylint.extensions.comparison_placement,
+   pylint.extensions.confusing_elif,
+   pylint.extensions.for_any_all,
+   pylint.extensions.consider_refactoring_into_while_condition,
+   pylint.extensions.mccabe,
+   pylint.extensions.eq_without_hash,
+   pylint.extensions.redefined_variable_type,
+   pylint.extensions.overlapping_exceptions,
+   pylint.extensions.docparams,
+   pylint.extensions.private_import,
+   pylint.extensions.set_membership,
+   pylint.extensions.typing,
+
+# magic_value wants you to not use arbitrary strings and numbers
+# inline in the code. But it's overzealous and has way too many false
+# positives. Trust people to do the most readable thing.
+#   pylint.extensions.magic_value
+
+# Empty comment would be good, except it detects blank lines within
+# a single comment block.
+#
+# Those are often used to separate paragraphs, like here.
+#   pylint.extensions.empty_comment,
+
+# consider_ternary_expression is a nice check, but is also overzealous.
+# Trust the human to do the readable thing.
+#    pylint.extensions.consider_ternary_expression,
+
+# redefined_loop_name tends to catch us with things like
+# for name in (a, b, c): name = name + '_column' ...
+#    pylint.extensions.redefined_loop_name,
+
+# This wants you to turn ``x in (1, 2)`` into ``x in {1, 2}``.
+# They both result in the LOAD_CONST bytecode, one a tuple one a
+# frozenset. In theory a set lookup using hashing is faster than
+# a linear scan of a tuple; but if the tuple is small, it can often
+# actually be faster to scan the tuple.
+#   pylint.extensions.set_membership,
+
+# Fix zope.cachedescriptors.property.Lazy; the property-classes doesn't seem to
+# do anything.
+# https://stackoverflow.com/questions/51160955/pylint-how-to-specify-a-self-defined-property-decorator-with-property-classes
+# For releases prior to 2.14.2, this needs to be a one-line, quoted string. After that,
+# a multi-line string.
+# - Make zope.cachedescriptors.property.Lazy look like a property;
+#   fixes pylint thinking it is a method.
+# - Run in Pure Python mode (ignore C extensions that respect this);
+#   fixes some issues with zope.interface, like IFoo.providedby(ob)
+#   claiming not to have the right number of parameters...except no, it does not.
+init-hook =
+    import astroid.bases
+    astroid.bases.POSSIBLE_PROPERTIES.add('Lazy')
+    astroid.bases.POSSIBLE_PROPERTIES.add('LazyOnClass')
+    astroid.bases.POSSIBLE_PROPERTIES.add('readproperty')
+    astroid.bases.POSSIBLE_PROPERTIES.add('non_overridable')
+    import os
+    os.environ['PURE_PYTHON'] = ("1")
+    # Ending on a quoted string
+    # breaks pylint 2.14.5 (it strips the trailing quote. This is
+    # probably because it tries to handle one-line quoted strings as well as multi-blocks).
+    # The parens around it fix the issue.
+
+
+[MESSAGES CONTROL]
+
+# Disable the message, report, category or checker with the given id(s). You
+# can either give multiple identifier separated by comma (,) or put this option
+# multiple time (only on the command line, not in the configuration file where
+# it should appear only once).
+# NOTE: comments must go ABOVE the statement. In Python 2, mixing in
+# comments disables all directives that follow, while in Python 3, putting
+# comments at the end of the line does the same thing (though Py3 supports
+# mixing)
+
+
+# invalid-name, ; We get lots of these, especially in scripts. should fix many of them
+# protected-access, ; We have many cases of this; legit ones need to be examinid and commented, then this removed
+# no-self-use, ; common in superclasses with extension points
+# too-few-public-methods, ; Exception and marker classes get tagged with this
+# exec-used, ; should tag individual instances with this, there are some but not too many
+# global-statement,     ; should tag individual instances
+# multiple-statements, ; "from gevent import monkey; monkey.patch_all()"
+# locally-disabled, ; yes, we know we're doing this. don't replace one warning with another
+# cyclic-import, ; most of these are deferred imports
+# too-many-arguments, ; these are almost always because that's what the stdlib does
+# redefined-builtin, ; likewise: these tend to be keyword arguments like len= in the stdlib
+# undefined-all-variable,     ; XXX: This crashes with pylint 1.5.4 on Travis (but not locally on Py2/3
+#     ; or landscape.io on Py3). The file causing the problem is unclear. UPDATE: identified and disabled
+#   that file.
+#   see https://github.com/PyCQA/pylint/issues/846
+# useless-suppression: the only way to avoid repeating it for specific statements everywhere that we
+#   do Py2/Py3 stuff is to put it here. Sadly this means that we might get better but not realize it.
+# duplicate-code: Yeah, the compatibility ssl modules are much the same
+# In pylint 1.8.0, inconsistent-return-statements are created for the wrong reasons.
+# This code raises it, even though there is only one return (the implicit ``return None`` is presumably
+# what triggers it):
+#  def foo():
+#    if baz:
+#      return 1
+# In Pylint 2dev1, needed for Python 3.7, we get spurious "useless return" errors:
+# @property
+# def foo(self):
+#   return None # generates useless-return
+# Pylint 2.4 adds import-outside-toplevel. But we do that a lot to defer imports because of patching.
+# Pylint 2.4 adds self-assigning-variable. But we do *that* to avoid unused-import when we
+# "export" the variable and dont have a __all__.
+# Pylint 2.6+ adds some python-3-only things that dont apply: raise-missing-from, super-with-arguments, consider-using-f-string, redundant-u-string-prefix
+# cyclic import is added because it pylint is spuriously detecting that
+# consider-using-assignment-expr wants you to transform things like:
+#   foo = get_foo()
+#   if foo: ...
+#
+# Into ``if (foo := get_foo()):``
+# But there are a *lot* of those. Trust people to do the right, most
+# readable, thing
+#
+# docstring-first-line-empty: That's actually our standard, based on Django.
+# XXX: unclear on the docstring warnings, missing-type-doc, missing-param-doc,
+# differing-param-doc, differing-type-doc (are the last two replacements for the first two?)
+#
+# They should be addressed, in general they are a good thing, but sometimes they are
+# unnecessary.
+disable=wrong-import-position,
+    wrong-import-order,
+    missing-docstring,
+    ungrouped-imports,
+    invalid-name,
+    too-few-public-methods,
+    global-statement,
+    locally-disabled,
+    too-many-arguments,
+    useless-suppression,
+    duplicate-code,
+    useless-object-inheritance,
+    import-outside-toplevel,
+    self-assigning-variable,
+    consider-using-f-string,
+    consider-using-assignment-expr,
+    use-dict-literal,
+    missing-type-doc,
+    missing-param-doc,
+    differing-param-doc,
+    differing-type-doc,
+    compare-to-zero,
+    docstring-first-line-empty,
+
+enable=consider-using-augmented-assign
+
+[FORMAT]
+max-line-length=100
+max-module-lines=1100
+
+[MISCELLANEOUS]
+# List of note tags to take in consideration, separated by a comma.
+#notes=FIXME,XXX,TODO
+# Disable that, we don't want them to fail the lint CI job.
+notes=
+
+[VARIABLES]
+
+dummy-variables-rgx=_.*
+init-import=true
+
+[TYPECHECK]
+
+# List of members which are set dynamically and missed by pylint inference
+# system, and so shouldnt trigger E1101 when accessed. Python regular
+# expressions are accepted.
+generated-members=REQUEST,acl_users,aq_parent,providedBy
+
+
+# Tells whether missing members accessed in mixin class should be ignored. A
+# mixin class is detected if its name ends with "mixin" (case insensitive).
+# XXX: deprecated in 2.14; replaced with ignored-checks-for-mixins.
+# The defaults for that value seem to be what we want
+#ignore-mixin-members=yes
+
+# List of classes names for which member attributes should not be checked
+# (useful for classes with attributes dynamically set). This can work
+# with qualified names.
+#ignored-classes=SSLContext, SSLSocket, greenlet, Greenlet, parent, dead
+
+
+# List of module names for which member attributes should not be checked
+# (useful for modules/projects where namespaces are manipulated during runtime
+# and thus existing member attributes cannot be deduced by static analysis. It
+# supports qualified module names, as well as Unix pattern matching.
+#ignored-modules=gevent._corecffi,gevent.os,os,greenlet,threading,gevent.libev.corecffi,gevent.socket,gevent.core,gevent.testing.support
+ignored-modules=psycopg2.errors
+
+[DESIGN]
+max-attributes=12
+max-parents=10
+# Bump complexity up one.
+max-complexity=11
+
+[BASIC]
+# Prospector turns ot unsafe-load-any-extension by default, but
+# pylint leaves it off. This is the proximal cause of the
+# undefined-all-variable crash.
+unsafe-load-any-extension = yes
+# This does not seem to work, hence the init-hook
+property-classes=zope.cachedescriptors.property.Lazy,zope.cachedescriptors.property.Cached
+
+[CLASSES]
+# List of interface methods to ignore, separated by a comma. This is used for
+# instance to not check methods defines in Zope's Interface base class.
+
+
+
+# Local Variables:
+# mode: conf
+# End:
diff --git a/.readthedocs.yml b/.readthedocs.yml
new file mode 100644
index 0000000..17a626b
--- /dev/null
+++ b/.readthedocs.yml
@@ -0,0 +1,37 @@
+# .readthedocs.yml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Some things can only be configured on the RTD dashboard.
+# Those that we may have changed from the default include:
+
+# Analytics code:
+# Show Version Warning: False
+# Single Version: True
+
+# Required
+version: 2
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+  builder: html
+  configuration: docs/conf.py
+
+# Set the version of Python and other tools you might need
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+    # You can also specify other tool versions:
+    # nodejs: "19"
+    # rust: "1.64"
+    # golang: "1.19"
+
+# Set the version of Python and requirements required to build your
+# docs
+python:
+  install:
+    - method: pip
+      path: .
+      extra_requirements:
+        - docs
diff --git a/CHANGES.rst b/CHANGES.rst
index 54b7e0e..2d54bed 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -3,10 +3,12 @@
 =========
 
 
-0.0.3 (unreleased)
+1.0.0 (unreleased)
 ==================
 
-- Nothing changed yet.
+- Drop support for Python < 3.10.
+- Add support for Python up to 3.13.
+- Use native namespace packages.
 
 
 0.0.2 (2020-06-19)
diff --git a/Jenkinsfile b/Jenkinsfile
deleted file mode 100644
index a8d7380..0000000
--- a/Jenkinsfile
+++ /dev/null
@@ -1,3 +0,0 @@
-@Library("nti.javascript-modules") _
-buildoutPipeline {
-}
diff --git a/MANIFEST.in b/MANIFEST.in
index dd0fa08..4bc9ee5 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -10,6 +10,8 @@ include nose2.cfg
 include tox.ini
 include .travis.yml
 include *.txt
+include *.yml
+include .pylintrc
 exclude .nti_cover_package
 recursive-include docs *.py
 recursive-include docs *.rst
diff --git a/babel.cfg b/babel.cfg
deleted file mode 100644
index e05e286..0000000
--- a/babel.cfg
+++ /dev/null
@@ -1,7 +0,0 @@
-[lingua_python: **.py]
-
-[lingua_xml: **.pt]
-
-[extractors]
-lingua_xml = nti.utils.babel:extract_xml
-lingua_python = nti.utils.babel:extract_python
diff --git a/doc-requirements.txt b/doc-requirements.txt
deleted file mode 100644
index e9704b8..0000000
--- a/doc-requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
-.[docs]
diff --git a/docs/conf.py b/docs/conf.py
index c3ed556..cc9804d 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -172,25 +172,31 @@
 ]
 
 
-
-
-# Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {
-    'https://docs.python.org/': None,
-    'https://persistent.readthedocs.io/en/latest': None,
-    'https://acquisition.readthedocs.io/en/latest': None,
-    'https://zcintid.readthedocs.io/en/latest': None,
-    'https://zopeintid.readthedocs.io/en/latest': None,
-    'https://zopelocation.readthedocs.io/en/latest': None,
-    'https://btrees.readthedocs.io/en/latest': None,
-    'https://zodb-docs.readthedocs.io/en/latest': None,
+intersphinx_mapping =  {
+    'component': ('https://zopecomponent.readthedocs.io/en/latest/', None),
+    'container': ('https://zopecontainer.readthedocs.io/en/latest/', None,),
+    'i18n': ('https://zopei18nmessageid.readthedocs.io/en/latest/', None),
+    'interface': ('https://zopeinterface.readthedocs.io/en/latest/', None),
+    'persistent': ('https://persistent.readthedocs.io/en/latest', None),
+    'python': ('https://docs.python.org/', None),
+    'schema': ('https://zopeschema.readthedocs.io/en/latest/', None),
+    'site': ('https://zopesite.readthedocs.io/en/latest/', None,),
+    'testing': ('https://ntitesting.readthedocs.io/en/latest/', None),
+    'traversing': ('https://zopetraversing.readthedocs.io/en/latest/', None),
+    'zodb': ('http://www.zodb.org/en/latest/', None),
+    'external': ('https://ntiexternalization.readthedocs.io/en/latest/', None),
+    'acquisition': ('https://acquisition.readthedocs.io/en/latest', None,),
+    'zcintid': ('https://zcintid.readthedocs.io/en/latest', None),
+    'zopeintid': ('https://zopeintid.readthedocs.io/en/latest', None,),
+    'location': ('https://zopelocation.readthedocs.io/en/latest', None,),
+    'btrees': ('https://btrees.readthedocs.io/en/latest', None)
 }
 
 extlinks = {
     'issue': ('https://github.com/NextThought/nti.intid/issues/%s',
-              'issue #'),
+              'issue #%s'),
     'pr': ('https://github.com/NextThought/nti.intid/pull/%s',
-           'pull request #')}
+           'pull request #%s')}
 
 # Sphinx 1.8+ prefers this to `autodoc_default_flags`. It's documented that
 # either True or None mean the same thing as just setting the flag, but
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..73d2302
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,5 @@
+[build-system]
+requires = [
+   "wheel",
+   "setuptools>=75.3",
+]
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 0501e63..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,8 +0,0 @@
-[nosetests]
-cover-package=nti.intid
-
-[aliases]
-dev = develop easy_install nti.intid[test]
-
-[bdist_wheel]
-universal = 1
diff --git a/setup.py b/setup.py
index 9c96007..4872c4c 100755
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 import codecs
 from setuptools import setup
-from setuptools import find_packages
+from setuptools import find_namespace_packages
 
 entry_points = {
     'console_scripts': [
@@ -10,7 +10,6 @@
 TESTS_REQUIRE = [
     'coverage',
     'ZODB',
-    'fudge',
     'nti.site',
     'nti.testing',
     'persistent',
@@ -46,29 +45,26 @@ def _read(fname):
         'Operating System :: OS Independent',
         'Development Status :: 5 - Production/Stable',
         'License :: OSI Approved :: Apache Software License',
-        'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3 :: Only',
+        'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
+        'Programming Language :: Python :: 3.12',
+        'Programming Language :: Python :: 3.13',
         'Programming Language :: Python :: Implementation :: CPython',
         'Programming Language :: Python :: Implementation :: PyPy',
     ],
     url="https://github.com/OpenNTI/nti.intid",
     zip_safe=True,
-    packages=find_packages('src'),
+    packages=find_namespace_packages('src'),
     package_dir={'': 'src'},
     include_package_data=True,
-    namespace_packages=['nti'],
-    tests_require=TESTS_REQUIRE,
     install_requires=[
         'Acquisition',
         'BTrees',
         'nti.externalization',
         'nti.ntiids',
         'nti.wref',
-        'setuptools',
         'zc.intid',
         'zope.component',
         'zope.deferredimport',
@@ -89,4 +85,5 @@ def _read(fname):
         ],
     },
     entry_points=entry_points,
+    python_requires=">=3.10",
 )
diff --git a/src/nti/__init__.py b/src/nti/__init__.py
index 656dc0f..69e3be5 100644
--- a/src/nti/__init__.py
+++ b/src/nti/__init__.py
@@ -1 +1 @@
-__import__('pkg_resources').declare_namespace(__name__)  # pragma: no cover
+__path__ = __import__('pkgutil').extend_path(__path__, __name__)
diff --git a/src/nti/intid/__init__.py b/src/nti/intid/__init__.py
index 60ccd1e..fb7b46f 100644
--- a/src/nti/intid/__init__.py
+++ b/src/nti/intid/__init__.py
@@ -1,13 +1,21 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 """
-.. $Id$
+Root of nti.intid.
 """
 
 from __future__ import division
 from __future__ import print_function
 from __future__ import absolute_import
 
+__all__ = [
+    'INTIIntIdAddedEvent',
+    'INTIIntIdRemovedEvent',
+    'NTIIntIdAddedEvent',
+    'NTIIntIdRemovedEvent',
+
+]
+
 from zc.intid.interfaces import IAfterIdAddedEvent as INTIIntIdAddedEvent
 from zc.intid.interfaces import IBeforeIdRemovedEvent as INTIIntIdRemovedEvent
 
diff --git a/src/nti/intid/interfaces.py b/src/nti/intid/interfaces.py
index e7b30d4..876f328 100644
--- a/src/nti/intid/interfaces.py
+++ b/src/nti/intid/interfaces.py
@@ -30,6 +30,7 @@
     IntIdRemovedEvent='zc.intid.interfaces:BeforeIdRemovedEvent')
 
 # pylint:disable=no-method-argument,no-self-argument
+# pylint:disable=too-many-ancestors
 
 class IIntIds(IZCIIntIds, IIntIdsSubclass, IContained):
     """
diff --git a/src/nti/intid/tests/__init__.py b/src/nti/intid/tests/__init__.py
index a2a5052..697af4d 100644
--- a/src/nti/intid/tests/__init__.py
+++ b/src/nti/intid/tests/__init__.py
@@ -23,8 +23,10 @@ class mock_db_trans(site_testing.persistent_site_trans):
 
 
     def on_connection_opened(self, conn):
-        super(mock_db_trans, self).on_connection_opened(conn)
         from nti.intid.utility import IntIds
+
+        super().on_connection_opened(conn)
+
         folder = conn.root()[str(self.main_application_folder_name)]
         lsm = folder.getSiteManager()
         intids = IntIds('_ds_intid', family=BTrees.family64)
diff --git a/src/nti/intid/tests/test_utility.py b/src/nti/intid/tests/test_utility.py
index 617ff43..e523656 100644
--- a/src/nti/intid/tests/test_utility.py
+++ b/src/nti/intid/tests/test_utility.py
@@ -68,7 +68,7 @@ def register(self, *args, **kwargs):
 class TestUtility(AbstractTestBase):
 
     def setUp(self):
-        super(TestUtility, self).setUp()
+        super().setUp()
         eventtesting.setUp()
 
     def test_interface(self):
@@ -92,7 +92,7 @@ def test_event(self):
         stub.add(obj)
         assert_that(stub.db(), is_(stub))
 
-        assert_that(obj, 
+        assert_that(obj,
                     has_property('_p_jar', is_(stub)))
 
         count = 1
@@ -129,15 +129,15 @@ def test_force(self):
         obj._ds_id = 100
         stub = ConnectionStub()
         stub.add(obj)
-        
+
         u.force_register(100, obj)
-        assert_that(calling(u.force_register).with_args(100, P()), 
+        assert_that(calling(u.force_register).with_args(100, P()),
                     raises(IntIdInUseError))
-        
-        assert_that(calling(u.force_unregister).with_args(200, obj), 
+
+        assert_that(calling(u.force_unregister).with_args(200, obj),
                     raises(KeyError))
 
-        assert_that(calling(u.force_unregister).with_args(100, P()), 
+        assert_that(calling(u.force_unregister).with_args(100, P()),
                     raises(KeyError))
 
         u.force_unregister(100, obj, True)