diff --git a/sanic/asgi.py b/sanic/asgi.py
index 205b7187..be598ec1 100644
--- a/sanic/asgi.py
+++ b/sanic/asgi.py
@@ -164,10 +164,12 @@ class ASGIApp:
         Read and stream the body in chunks from an incoming ASGI message.
         """
         message = await self.transport.receive()
+        body = message.get("body", b"")
         if not message.get("more_body", False):
             self.request_body = False
-            return None
-        return message.get("body", b"")
+            if not body:
+                return None
+        return body
 
     async def __aiter__(self):
         while self.request_body:
diff --git a/sanic/blueprint_group.py b/sanic/blueprint_group.py
index c8a36534..27716d8f 100644
--- a/sanic/blueprint_group.py
+++ b/sanic/blueprint_group.py
@@ -1,9 +1,13 @@
 from collections.abc import MutableSequence
-from typing import List, Optional, Union
+from typing import TYPE_CHECKING, List, Optional, Union
 
 import sanic
 
 
+if TYPE_CHECKING:
+    from sanic.blueprints import Blueprint
+
+
 class BlueprintGroup(MutableSequence):
     """
     This class provides a mechanism to implement a Blueprint Group
@@ -56,7 +60,12 @@ class BlueprintGroup(MutableSequence):
 
     __slots__ = ("_blueprints", "_url_prefix", "_version", "_strict_slashes")
 
-    def __init__(self, url_prefix=None, version=None, strict_slashes=None):
+    def __init__(
+        self,
+        url_prefix: Optional[str] = None,
+        version: Optional[Union[int, str, float]] = None,
+        strict_slashes: Optional[bool] = None,
+    ):
         """
         Create a new Blueprint Group
 
@@ -65,13 +74,13 @@ class BlueprintGroup(MutableSequence):
             inherited by each of the Blueprint
         :param strict_slashes: URL Strict slash behavior indicator
         """
-        self._blueprints = []
+        self._blueprints: List[Blueprint] = []
         self._url_prefix = url_prefix
         self._version = version
         self._strict_slashes = strict_slashes
 
     @property
-    def url_prefix(self) -> str:
+    def url_prefix(self) -> Optional[Union[int, str, float]]:
         """
         Retrieve the URL prefix being used for the Current Blueprint Group
 
diff --git a/sanic/blueprints.py b/sanic/blueprints.py
index 2d1e6a1d..aec661b2 100644
--- a/sanic/blueprints.py
+++ b/sanic/blueprints.py
@@ -70,7 +70,7 @@ class Blueprint(BaseSanic):
         name: str,
         url_prefix: Optional[str] = None,
         host: Optional[str] = None,
-        version: Optional[int] = None,
+        version: Optional[Union[int, str, float]] = None,
         strict_slashes: Optional[bool] = None,
     ):
         super().__init__()
diff --git a/sanic/http.py b/sanic/http.py
index 0303d4cf..383078f0 100644
--- a/sanic/http.py
+++ b/sanic/http.py
@@ -82,6 +82,7 @@ class Http:
         "request_max_size",
         "response",
         "response_func",
+        "response_size",
         "response_bytes_left",
         "upgrade_websocket",
     ]
@@ -270,6 +271,7 @@ class Http:
         size = len(data)
         headers = res.headers
         status = res.status
+        self.response_size = size
 
         if not isinstance(status, int) or status < 200:
             raise RuntimeError(f"Invalid response status {status!r}")
@@ -424,7 +426,9 @@ class Http:
         req, res = self.request, self.response
         extra = {
             "status": getattr(res, "status", 0),
-            "byte": getattr(self, "response_bytes_left", -1),
+            "byte": getattr(
+                self, "response_bytes_left", getattr(self, "response_size", -1)
+            ),
             "host": "UNKNOWN",
             "request": "nil",
         }
diff --git a/sanic/mixins/routes.py b/sanic/mixins/routes.py
index 27747ab3..a82d8041 100644
--- a/sanic/mixins/routes.py
+++ b/sanic/mixins/routes.py
@@ -45,7 +45,7 @@ class RouteMixin:
         host: Optional[str] = None,
         strict_slashes: Optional[bool] = None,
         stream: bool = False,
-        version: Optional[int] = None,
+        version: Optional[Union[int, str, float]] = None,
         name: Optional[str] = None,
         ignore_body: bool = False,
         apply: bool = True,
diff --git a/sanic/router.py b/sanic/router.py
index 83067c27..47dd69f4 100644
--- a/sanic/router.py
+++ b/sanic/router.py
@@ -33,7 +33,7 @@ class Router(BaseRouter):
             return self.resolve(
                 path=path,
                 method=method,
-                extra={"host": host},
+                extra={"host": host} if host else None,
             )
         except RoutingNotFound as e:
             raise NotFound("Requested URL {} not found".format(e.path))
@@ -161,7 +161,7 @@ class Router(BaseRouter):
 
     @property
     def routes_all(self):
-        return self.routes
+        return {route.parts: route for route in self.routes}
 
     @property
     def routes_static(self):
diff --git a/sanic/signals.py b/sanic/signals.py
index 0e6f73f1..87263f1f 100644
--- a/sanic/signals.py
+++ b/sanic/signals.py
@@ -5,7 +5,7 @@ import asyncio
 from inspect import isawaitable
 from typing import Any, Dict, List, Optional, Tuple, Union
 
-from sanic_routing import BaseRouter, Route  # type: ignore
+from sanic_routing import BaseRouter, Route, RouteGroup  # type: ignore
 from sanic_routing.exceptions import NotFound  # type: ignore
 from sanic_routing.utils import path_to_parts  # type: ignore
 
@@ -20,17 +20,11 @@ RESERVED_NAMESPACES = (
 
 
 class Signal(Route):
-    def get_handler(self, raw_path, method, _):
-        method = method or self.router.DEFAULT_METHOD
-        raw_path = raw_path.lstrip(self.router.delimiter)
-        try:
-            return self.handlers[raw_path][method]
-        except (IndexError, KeyError):
-            raise self.router.method_handler_exception(
-                f"Method '{method}' not found on {self}",
-                method=method,
-                allowed_methods=set(self.methods[raw_path]),
-            )
+    ...
+
+
+class SignalGroup(RouteGroup):
+    ...
 
 
 class SignalRouter(BaseRouter):
@@ -38,6 +32,7 @@ class SignalRouter(BaseRouter):
         super().__init__(
             delimiter=".",
             route_class=Signal,
+            group_class=SignalGroup,
             stacking=True,
         )
         self.ctx.loop = None
@@ -49,7 +44,13 @@ class SignalRouter(BaseRouter):
     ):
         extra = condition or {}
         try:
-            return self.resolve(f".{event}", extra=extra)
+            group, param_basket = self.find_route(
+                f".{event}",
+                self.DEFAULT_METHOD,
+                self,
+                {"__params__": {}},
+                extra=extra,
+            )
         except NotFound:
             message = "Could not find signal %s"
             terms: List[Union[str, Optional[Dict[str, str]]]] = [event]
@@ -58,16 +59,20 @@ class SignalRouter(BaseRouter):
                 terms.append(extra)
             raise NotFound(message % tuple(terms))
 
+        params = param_basket.pop("__params__")
+        return group, [route.handler for route in group], params
+
     async def _dispatch(
         self,
         event: str,
         context: Optional[Dict[str, Any]] = None,
         condition: Optional[Dict[str, str]] = None,
     ) -> None:
-        signal, handlers, params = self.get(event, condition=condition)
+        group, handlers, params = self.get(event, condition=condition)
 
-        signal_event = signal.ctx.event
-        signal_event.set()
+        events = [signal.ctx.event for signal in group]
+        for signal_event in events:
+            signal_event.set()
         if context:
             params.update(context)
 
@@ -78,7 +83,8 @@ class SignalRouter(BaseRouter):
                     if isawaitable(maybe_coroutine):
                         await maybe_coroutine
         finally:
-            signal_event.clear()
+            for signal_event in events:
+                signal_event.clear()
 
     async def dispatch(
         self,
@@ -116,7 +122,7 @@ class SignalRouter(BaseRouter):
             handler,
             requirements=condition,
             name=name,
-            overwrite=True,
+            append=True,
         )  # type: ignore
 
     def finalize(self, do_compile: bool = True):
@@ -125,7 +131,7 @@ class SignalRouter(BaseRouter):
         except RuntimeError:
             raise RuntimeError("Cannot finalize signals outside of event loop")
 
-        for signal in self.routes.values():
+        for signal in self.routes:
             signal.ctx.event = asyncio.Event()
 
         return super().finalize(do_compile=do_compile)
diff --git a/setup.py b/setup.py
index b2d31cc1..3a43b11e 100644
--- a/setup.py
+++ b/setup.py
@@ -83,7 +83,7 @@ ujson = "ujson>=1.35" + env_dependency
 uvloop = "uvloop>=0.5.3" + env_dependency
 
 requirements = [
-    "sanic-routing",
+    "sanic-routing>=0.6.0",
     "httptools>=0.0.10",
     uvloop,
     ujson,
diff --git a/tests/test_config.py b/tests/test_config.py
index 2a54aa9f..4876b5d9 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -80,6 +80,12 @@ def test_dont_load_env():
     del environ["SANIC_TEST_ANSWER"]
 
 
+@pytest.mark.parametrize("load_env", [None, False, "", "MYAPP_"])
+def test_load_env_deprecation(load_env):
+    with pytest.warns(DeprecationWarning, match=r"21\.12"):
+        _ = Sanic(name=__name__, load_env=load_env)
+
+
 def test_load_env_prefix():
     environ["MYAPP_TEST_ANSWER"] = "42"
     app = Sanic(name=__name__, load_env="MYAPP_")
@@ -87,6 +93,14 @@ def test_load_env_prefix():
     del environ["MYAPP_TEST_ANSWER"]
 
 
+@pytest.mark.parametrize("env_prefix", [None, ""])
+def test_empty_load_env_prefix(env_prefix):
+    environ["SANIC_TEST_ANSWER"] = "42"
+    app = Sanic(name=__name__, env_prefix=env_prefix)
+    assert getattr(app.config, "TEST_ANSWER", None) is None
+    del environ["SANIC_TEST_ANSWER"]
+
+
 def test_load_env_prefix_float_values():
     environ["MYAPP_TEST_ROI"] = "2.3"
     app = Sanic(name=__name__, load_env="MYAPP_")
diff --git a/tests/test_named_routes.py b/tests/test_named_routes.py
index e748d529..39108594 100644
--- a/tests/test_named_routes.py
+++ b/tests/test_named_routes.py
@@ -209,13 +209,13 @@ def test_named_static_routes():
         return text("OK2")
 
     assert app.router.routes_all[("test",)].name == "app.route_test"
-    assert app.router.routes_static[("test",)].name == "app.route_test"
+    assert app.router.routes_static[("test",)][0].name == "app.route_test"
     assert app.url_for("route_test") == "/test"
     with pytest.raises(URLBuildError):
         app.url_for("handler1")
 
     assert app.router.routes_all[("pizazz",)].name == "app.route_pizazz"
-    assert app.router.routes_static[("pizazz",)].name == "app.route_pizazz"
+    assert app.router.routes_static[("pizazz",)][0].name == "app.route_pizazz"
     assert app.url_for("route_pizazz") == "/pizazz"
     with pytest.raises(URLBuildError):
         app.url_for("handler2")
@@ -347,13 +347,13 @@ def test_static_add_named_route():
     app.add_route(handler2, "/test2", name="route_test2")
 
     assert app.router.routes_all[("test",)].name == "app.route_test"
-    assert app.router.routes_static[("test",)].name == "app.route_test"
+    assert app.router.routes_static[("test",)][0].name == "app.route_test"
     assert app.url_for("route_test") == "/test"
     with pytest.raises(URLBuildError):
         app.url_for("handler1")
 
     assert app.router.routes_all[("test2",)].name == "app.route_test2"
-    assert app.router.routes_static[("test2",)].name == "app.route_test2"
+    assert app.router.routes_static[("test2",)][0].name == "app.route_test2"
     assert app.url_for("route_test2") == "/test2"
     with pytest.raises(URLBuildError):
         app.url_for("handler2")
diff --git a/tests/test_request.py b/tests/test_request.py
index 5b79b1e3..d66dffbd 100644
--- a/tests/test_request.py
+++ b/tests/test_request.py
@@ -104,7 +104,7 @@ def test_route_assigned_to_request(app):
         return response.empty()
 
     request, _ = app.test_client.get("/")
-    assert request.route is list(app.router.routes.values())[0]
+    assert request.route is list(app.router.routes)[0]
 
 
 def test_protocol_attribute(app):
diff --git a/tests/test_requests.py b/tests/test_requests.py
index 655a4079..b459a605 100644
--- a/tests/test_requests.py
+++ b/tests/test_requests.py
@@ -253,6 +253,31 @@ async def test_empty_json_asgi(app):
     assert response.body == b"null"
 
 
+def test_echo_json(app):
+    @app.post("/")
+    async def handler(request):
+        return json(request.json)
+
+    data = {"foo": "bar"}
+    request, response = app.test_client.post("/", json=data)
+
+    assert response.status == 200
+    assert response.json == data
+
+
+@pytest.mark.asyncio
+async def test_echo_json_asgi(app):
+    @app.post("/")
+    async def handler(request):
+        return json(request.json)
+
+    data = {"foo": "bar"}
+    request, response = await app.asgi_client.post("/", json=data)
+
+    assert response.status == 200
+    assert response.json == data
+
+
 def test_invalid_json(app):
     @app.post("/")
     async def handler(request):
@@ -292,6 +317,17 @@ def test_query_string(app):
     assert request.args.get("test3", default="My value") == "My value"
 
 
+def test_popped_stays_popped(app):
+    @app.route("/")
+    async def handler(request):
+        return text("OK")
+
+    request, response = app.test_client.get("/", params=[("test1", "1")])
+
+    assert request.args.pop("test1") == ["1"]
+    assert "test1" not in request.args
+
+
 @pytest.mark.asyncio
 async def test_query_string_asgi(app):
     @app.route("/")
@@ -2159,3 +2195,72 @@ def test_safe_method_with_body(app):
     assert request.body == data.encode("utf-8")
     assert request.json.get("test") == "OK"
     assert response.body == b"OK"
+
+
+def test_conflicting_body_methods_overload(app):
+    @app.put("/")
+    @app.put("/p/")
+    @app.put("/p/<foo>")
+    async def put(request, foo=None):
+        return json(
+            {"name": request.route.name, "body": str(request.body), "foo": foo}
+        )
+
+    @app.delete("/p/<foo>")
+    async def delete(request, foo):
+        return json(
+            {"name": request.route.name, "body": str(request.body), "foo": foo}
+        )
+
+    payload = {"test": "OK"}
+    data = str(json_dumps(payload).encode())
+
+    _, response = app.test_client.put("/", json=payload)
+    assert response.status == 200
+    assert response.json == {
+        "name": "test_conflicting_body_methods_overload.put",
+        "foo": None,
+        "body": data,
+    }
+    _, response = app.test_client.put("/p", json=payload)
+    assert response.status == 200
+    assert response.json == {
+        "name": "test_conflicting_body_methods_overload.put",
+        "foo": None,
+        "body": data,
+    }
+    _, response = app.test_client.put("/p/test", json=payload)
+    assert response.status == 200
+    assert response.json == {
+        "name": "test_conflicting_body_methods_overload.put",
+        "foo": "test",
+        "body": data,
+    }
+    _, response = app.test_client.delete("/p/test")
+    assert response.status == 200
+    assert response.json == {
+        "name": "test_conflicting_body_methods_overload.delete",
+        "foo": "test",
+        "body": str("".encode()),
+    }
+
+
+def test_handler_overload(app):
+    @app.get(
+        "/long/sub/route/param_a/<param_a:string>/param_b/<param_b:string>"
+    )
+    @app.post("/long/sub/route/")
+    def handler(request, **kwargs):
+        return json(kwargs)
+
+    _, response = app.test_client.get(
+        "/long/sub/route/param_a/foo/param_b/bar"
+    )
+    assert response.status == 200
+    assert response.json == {
+        "param_a": "foo",
+        "param_b": "bar",
+    }
+    _, response = app.test_client.post("/long/sub/route")
+    assert response.status == 200
+    assert response.json == {}
diff --git a/tests/test_response.py b/tests/test_response.py
index 366465e0..5b6031f5 100644
--- a/tests/test_response.py
+++ b/tests/test_response.py
@@ -65,7 +65,9 @@ def test_method_not_allowed():
     }
 
     request, response = app.test_client.post("/")
-    assert set(response.headers["Allow"].split(", ")) == {"GET", "HEAD"}
+    assert set(response.headers["Allow"].split(", ")) == {
+        "GET",
+    }
 
     app.router.reset()
 
@@ -78,7 +80,6 @@ def test_method_not_allowed():
     assert set(response.headers["Allow"].split(", ")) == {
         "GET",
         "POST",
-        "HEAD",
     }
     assert response.headers["Content-Length"] == "0"
 
@@ -87,7 +88,6 @@ def test_method_not_allowed():
     assert set(response.headers["Allow"].split(", ")) == {
         "GET",
         "POST",
-        "HEAD",
     }
     assert response.headers["Content-Length"] == "0"
 
diff --git a/tests/test_routes.py b/tests/test_routes.py
index 4b2927ef..06b4d799 100644
--- a/tests/test_routes.py
+++ b/tests/test_routes.py
@@ -543,9 +543,6 @@ def test_dynamic_route_regex(app):
     async def handler(request, folder_id):
         return text("OK")
 
-    app.router.finalize()
-    print(app.router.find_route_src)
-
     request, response = app.test_client.get("/folder/test")
     assert response.status == 200
 
@@ -587,6 +584,9 @@ def test_dynamic_route_path(app):
     async def handler(request, path):
         return text("OK")
 
+    app.router.finalize()
+    print(app.router.find_route_src)
+
     request, response = app.test_client.get("/path/1/info")
     assert response.status == 200
 
@@ -1008,14 +1008,8 @@ def test_unmergeable_overload_routes(app):
     async def handler2(request):
         return text("OK1")
 
-    assert (
-        len(
-            dict(list(app.router.static_routes.values())[0].handlers)[
-                "overload_whole"
-            ]
-        )
-        == 3
-    )
+    assert len(app.router.static_routes) == 1
+    assert len(app.router.static_routes[("overload_whole",)].methods) == 3
 
     request, response = app.test_client.get("/overload_whole")
     assert response.text == "OK1"
diff --git a/tests/test_signals.py b/tests/test_signals.py
index 915d92d6..05fd6d11 100644
--- a/tests/test_signals.py
+++ b/tests/test_signals.py
@@ -28,7 +28,8 @@ def test_add_signal_decorator(app):
     async def async_signal(*_):
         ...
 
-    assert len(app.signal_router.routes) == 1
+    assert len(app.signal_router.routes) == 2
+    assert len(app.signal_router.dynamic_routes) == 1
 
 
 @pytest.mark.parametrize(
@@ -79,13 +80,13 @@ async def test_dispatch_signal_triggers_triggers_event(app):
     def sync_signal(*args):
         nonlocal app
         nonlocal counter
-        signal, *_ = app.signal_router.get("foo.bar.baz")
-        counter += signal.ctx.event.is_set()
+        group, *_ = app.signal_router.get("foo.bar.baz")
+        for signal in group:
+            counter += signal.ctx.event.is_set()
 
     app.signal_router.finalize()
 
     await app.dispatch("foo.bar.baz")
-    signal, *_ = app.signal_router.get("foo.bar.baz")
 
     assert counter == 1
 
@@ -224,7 +225,7 @@ async def test_dispatch_signal_triggers_event_on_bp(app):
 
     app.blueprint(bp)
     app.signal_router.finalize()
-    signal, *_ = app.signal_router.get(
+    signal_group, *_ = app.signal_router.get(
         "foo.bar.baz", condition={"blueprint": "bp"}
     )
 
@@ -233,7 +234,8 @@ async def test_dispatch_signal_triggers_event_on_bp(app):
     assert isawaitable(waiter)
 
     fut = asyncio.ensure_future(do_wait())
-    signal.ctx.event.set()
+    for signal in signal_group:
+        signal.ctx.event.set()
     await fut
 
     assert bp_counter == 1
diff --git a/tests/test_static.py b/tests/test_static.py
index 532adb80..a1bceae5 100644
--- a/tests/test_static.py
+++ b/tests/test_static.py
@@ -454,3 +454,51 @@ def test_nested_dir(app, static_file_directory):
 
     assert response.status == 200
     assert response.text == "foo\n"
+
+
+def test_stack_trace_on_not_found(app, static_file_directory, caplog):
+    app.static("/static", static_file_directory)
+
+    with caplog.at_level(logging.INFO):
+        _, response = app.test_client.get("/static/non_existing_file.file")
+
+    counter = Counter([r[1] for r in caplog.record_tuples])
+
+    assert response.status == 404
+    assert counter[logging.INFO] == 5
+    assert counter[logging.ERROR] == 1
+
+
+def test_no_stack_trace_on_not_found(app, static_file_directory, caplog):
+    app.static("/static", static_file_directory)
+
+    @app.exception(FileNotFound)
+    async def file_not_found(request, exception):
+        return text(f"No file: {request.path}", status=404)
+
+    with caplog.at_level(logging.INFO):
+        _, response = app.test_client.get("/static/non_existing_file.file")
+
+    counter = Counter([r[1] for r in caplog.record_tuples])
+
+    assert response.status == 404
+    assert counter[logging.INFO] == 5
+    assert logging.ERROR not in counter
+    assert response.text == "No file: /static/non_existing_file.file"
+
+
+def test_multiple_statics(app, static_file_directory):
+    app.static("/file", get_file_path(static_file_directory, "test.file"))
+    app.static("/png", get_file_path(static_file_directory, "python.png"))
+
+    _, response = app.test_client.get("/file")
+    assert response.status == 200
+    assert response.body == get_file_content(
+        static_file_directory, "test.file"
+    )
+
+    _, response = app.test_client.get("/png")
+    assert response.status == 200
+    assert response.body == get_file_content(
+        static_file_directory, "python.png"
+    )