diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 050d5b11d..c8a661cfe 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -82,10 +82,11 @@ jobs:
       max-parallel: 5
       matrix:
         python-version: ['3.6', '3.7', '3.8', '3.9', '3.10']
+        database: [postgresql, postgis]
 
     services:
       postgres:
-        image: postgres
+        image: postgis/postgis:14-3.1
         env:
           POSTGRES_DB: debug_toolbar
           POSTGRES_USER: debug_toolbar
@@ -133,7 +134,7 @@ jobs:
     - name: Test with tox
       run: tox
       env:
-        DB_BACKEND: postgresql
+        DB_BACKEND: ${{ matrix.database }}
         DB_HOST: localhost
         DB_PORT: 5432
 
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 30f6b7bb0..bb1cd93f0 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -33,7 +33,7 @@ repos:
     -   id: prettier
         types_or: [javascript, css]
 -   repo: https://github.com/pre-commit/mirrors-eslint
-    rev: v8.4.0
+    rev: v8.4.1
     hooks:
     -   id: eslint
         files: \.js?$
diff --git a/README.rst b/README.rst
index 818b78514..c147abf4f 100644
--- a/README.rst
+++ b/README.rst
@@ -1,24 +1,34 @@
-====================
-Django Debug Toolbar
-====================
+=====================================
+Django Debug Toolbar |latest-version|
+=====================================
 
-.. image:: https://jazzband.co/static/img/badge.svg
+|jazzband| |build-status| |codecov| |docs| |python-support| |django-support|
+
+.. |latest-version| image:: https://img.shields.io/pypi/v/django-debug-toolbar.svg
+   :target: https://pypi.python.org/pypi/django-debug-toolbar
+   :alt: Latest version on PyPI
+
+.. |jazzband| image:: https://jazzband.co/static/img/badge.svg
    :target: https://jazzband.co/
    :alt: Jazzband
 
-.. image:: https://github.com/jazzband/django-debug-toolbar/workflows/Test/badge.svg
+.. |build-status| image:: https://github.com/jazzband/django-debug-toolbar/workflows/Test/badge.svg
    :target: https://github.com/jazzband/django-debug-toolbar/actions
    :alt: Build Status
 
-.. image:: https://codecov.io/gh/jazzband/django-debug-toolbar/branch/main/graph/badge.svg
+.. |codecov| image:: https://codecov.io/gh/jazzband/django-debug-toolbar/branch/main/graph/badge.svg
    :target: https://codecov.io/gh/jazzband/django-debug-toolbar
    :alt: Test coverage status
 
-.. image:: https://img.shields.io/pypi/pyversions/django-debug-toolbar
+.. |docs| image:: https://img.shields.io/readthedocs/django-debug-toolbar/latest.svg
+   :target: https://readthedocs.org/projects/django-debug-toolbar/
+   :alt: Documentation status
+
+.. |python-support| image:: https://img.shields.io/pypi/pyversions/django-debug-toolbar
    :target: https://pypi.python.org/pypi/django-debug-toolbar
    :alt: Supported Python versions
 
-.. image:: https://img.shields.io/pypi/djversions/django-debug-toolbar
+.. |django-support| image:: https://img.shields.io/pypi/djversions/django-debug-toolbar
    :target: https://pypi.org/project/django-debug-toolbar
    :alt: Supported Django versions
 
@@ -34,7 +44,7 @@ Here's a screenshot of the toolbar in action:
 In addition to the built-in panels, a number of third-party panels are
 contributed by the community.
 
-The current stable version of the Debug Toolbar is 3.2.3. It works on
+The current stable version of the Debug Toolbar is 3.2.4. It works on
 Django ≥ 2.2.
 
 Documentation, including installation and configuration instructions, is
diff --git a/debug_toolbar/__init__.py b/debug_toolbar/__init__.py
index 6a03ec8f3..401de16c1 100644
--- a/debug_toolbar/__init__.py
+++ b/debug_toolbar/__init__.py
@@ -7,7 +7,7 @@
 
 # Do not use pkg_resources to find the version but set it here directly!
 # see issue #1446
-VERSION = "3.2.3"
+VERSION = "3.2.4"
 
 # Code that discovers files or modules in INSTALLED_APPS imports this module.
 
diff --git a/debug_toolbar/panels/sql/tracking.py b/debug_toolbar/panels/sql/tracking.py
index 7090ac613..2ed691344 100644
--- a/debug_toolbar/panels/sql/tracking.py
+++ b/debug_toolbar/panels/sql/tracking.py
@@ -137,14 +137,6 @@ def _decode(self, param):
     def _record(self, method, sql, params):
         start_time = time()
         try:
-            if isinstance(params, list):
-
-                def strip_GeomFromEWKB(param):
-                    if isinstance(param, str):
-                        return param.lstrip("ST_GeomFromEWKB('\\x").rstrip("'::bytea)")
-                    return param
-
-                params = [strip_GeomFromEWKB(param) for param in params]
             return method(sql, params)
         finally:
             stop_time = time()
diff --git a/docs/changes.rst b/docs/changes.rst
index 5c623e79f..025146a08 100644
--- a/docs/changes.rst
+++ b/docs/changes.rst
@@ -4,6 +4,12 @@ Change log
 Next version
 ------------
 
+3.2.4 (2021-12-15)
+------------------
+
+* Revert PR 1426 - Fixes issue with SQL parameters having leading and
+  trailing characters stripped away.
+
 3.2.3 (2021-12-12)
 ------------------
 
diff --git a/docs/conf.py b/docs/conf.py
index b01ba395f..fbe6907e6 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -25,7 +25,7 @@
 copyright = copyright.format(datetime.date.today().year)
 
 # The full version, including alpha/beta/rc tags
-release = "3.2.3"
+release = "3.2.4"
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/setup.cfg b/setup.cfg
index 5cc680607..82793f42a 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = django-debug-toolbar
-version = 3.2.3
+version = 3.2.4
 description = A configurable set of panels that display various debug information about the current request/response.
 long_description = file: README.rst
 long_description_content_type = text/x-rst
@@ -17,6 +17,7 @@ classifiers =
     Framework :: Django :: 2.2
     Framework :: Django :: 3.1
     Framework :: Django :: 3.2
+    Framework :: Django :: 4.0
     Intended Audience :: Developers
     License :: OSI Approved :: BSD License
     Operating System :: OS Independent
diff --git a/tests/settings.py b/tests/settings.py
index 63456a2f6..c09506087 100644
--- a/tests/settings.py
+++ b/tests/settings.py
@@ -27,7 +27,7 @@
     "tests",
 ]
 
-USE_GIS = os.getenv("DB_BACKEND") in ("postgis",)
+USE_GIS = os.getenv("DB_BACKEND") == "postgis"
 
 if USE_GIS:
     INSTALLED_APPS = ["django.contrib.gis"] + INSTALLED_APPS
diff --git a/tests/test_integration.py b/tests/test_integration.py
index 006ab93ee..ff6d32d9f 100644
--- a/tests/test_integration.py
+++ b/tests/test_integration.py
@@ -1,11 +1,9 @@
-import json
 import os
 import re
 import unittest
 
 import django
 import html5lib
-from django.conf import settings
 from django.contrib.staticfiles.testing import StaticLiveServerTestCase
 from django.core import signing
 from django.core.cache import cache
@@ -18,7 +16,6 @@
 from debug_toolbar.forms import SignedDataForm
 from debug_toolbar.middleware import DebugToolbarMiddleware, show_toolbar
 from debug_toolbar.panels import Panel
-from debug_toolbar.panels.sql.forms import SQLSelectForm
 from debug_toolbar.toolbar import DebugToolbar
 
 from .base import BaseTestCase, IntegrationTestCase
@@ -310,28 +307,6 @@ def test_sql_explain_checks_show_toolbar(self):
             )
             self.assertEqual(response.status_code, 404)
 
-    @unittest.skipUnless(settings.USE_GIS, "Test only valid with gis support")
-    def test_sql_explain_gis(self):
-        from django.contrib.gis.geos import GEOSGeometry
-
-        from .models import Location
-
-        db_table = Location._meta.db_table
-
-        url = "/__debug__/sql_explain/"
-        geom = GEOSGeometry("POLYGON((0 0, 0 1, 1 1, 0 0))")
-        data = {
-            "sql": f'SELECT "{db_table}"."point" FROM "{db_table}" WHERE "{db_table}"."point" @ {geom.hex} LIMIT 1',
-            "raw_sql": f'SELECT "{db_table}"."point" FROM "{db_table}" WHERE "{db_table}"."point" @ %s LIMIT 1',
-            "params": json.dumps([geom.hex]),
-            "alias": "default",
-            "duration": "0",
-        }
-        data["hash"] = SQLSelectForm().make_hash(data)
-
-        response = self.client.post(url, data=data)
-        self.assertEqual(response.status_code, 200)
-
     @unittest.skipUnless(
         connection.vendor == "postgresql", "Test valid only on PostgreSQL"
     )
diff --git a/tox.ini b/tox.ini
index 3abd404bc..13bf73037 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,10 +8,10 @@ envlist =
 
 [testenv]
 deps =
-    dj22: Django==2.2.*
-    dj31: Django==3.1.*
-    dj32: Django>=3.2,<4.0
-    dj40: Django>=4.0rc1,<4.1
+    dj22: django~=2.2.17
+    dj31: django~=3.1.3
+    dj32: django~=3.2.9
+    dj40: django~=4.0.0
     sqlite: mock
     postgresql: psycopg2-binary
     postgis: psycopg2-binary
@@ -43,19 +43,25 @@ whitelist_externals = make
 pip_pre = True
 commands = make coverage TEST_ARGS='{posargs:tests}'
 
-[testenv:py{36,37,38,39,310}-dj{22,31,32}-postgresql]
+[testenv:py{36,37,38,39,310}-dj{22,31,32,40,main}-postgresql]
 setenv =
     {[testenv]setenv}
     DB_BACKEND = postgresql
     DB_PORT = {env:DB_PORT:5432}
 
-[testenv:py{36,37,38,39,310}-dj{22,31,32}-mysql]
+[testenv:py{36,37,38,39,310}-dj{22,31,32,40,main}-postgis]
+setenv =
+    {[testenv]setenv}
+    DB_BACKEND = postgis
+    DB_PORT = {env:DB_PORT:5432}
+
+[testenv:py{36,37,38,39,310}-dj{22,31,32,40,main}-mysql]
 setenv =
     {[testenv]setenv}
     DB_BACKEND = mysql
     DB_PORT = {env:DB_PORT:3306}
 
-[testenv:py{36,37,38,39,310}-dj{22,31,32,main}-sqlite]
+[testenv:py{36,37,38,39,310}-dj{22,31,32,40,main}-sqlite]
 setenv =
     {[testenv]setenv}
     DB_BACKEND = sqlite3