diff --git a/tests/test_ota_image.py b/tests/test_ota_image.py
index d378e9c8f..ab6e67ae0 100644
--- a/tests/test_ota_image.py
+++ b/tests/test_ota_image.py
@@ -314,6 +314,11 @@ def test_get_image_block_offset_too_large(raw_header, raw_sub_element):
         img.get_image_block(offset, size)
 
 
+def test_cached_image_wrapping(image):
+    cached_img = CachedImage(image)
+    assert cached_img.header is image.header
+
+
 def wrap_ikea(data):
     header = bytearray(100)
     header[0:4] = b"NGIS"
@@ -400,6 +405,21 @@ def test_parse_ota_hue_invalid():
         firmware.parse_ota_image(header.replace(manufacturer_id=12).serialize() + rest)
 
 
-def test_cached_image_wrapping(image):
-    cached_img = CachedImage(image)
-    assert cached_img.header is image.header
+def test_legrand_container_unwrapping(image):
+    # Unwrapped size prefix and 1 + 16 byte suffix
+    data = (
+        t.uint32_t(len(image.serialize())).serialize()
+        + image.serialize()
+        + b"\x01"
+        + b"abcdabcdabcdabcd"
+    )
+
+    with pytest.raises(ValueError):
+        firmware.parse_ota_image(data[:-1])
+
+    with pytest.raises(ValueError):
+        firmware.parse_ota_image(b"\xFF" + data[1:])
+
+    img, rest = firmware.parse_ota_image(data)
+    assert not rest
+    assert img == image
diff --git a/tests/test_struct.py b/tests/test_struct.py
index 778cc98ce..8784e44bc 100644
--- a/tests/test_struct.py
+++ b/tests/test_struct.py
@@ -774,3 +774,15 @@ class TestStruct(t.Struct):
     s1 = TestStruct(foo=1, bar=2, baz="asd")
 
     assert repr(s1) == "TestStruct(foo=2, bar=bar, baz=baz)"
+
+
+def test_skip_missing():
+    class TestStruct(t.Struct):
+        foo: t.uint8_t
+        bar: t.uint16_t
+
+    assert TestStruct(foo=1).as_dict() == {"foo": 1, "bar": None}
+    assert TestStruct(foo=1).as_dict(skip_missing=True) == {"foo": 1}
+
+    assert TestStruct(foo=1).as_tuple() == (1, None)
+    assert TestStruct(foo=1).as_tuple(skip_missing=True) == (1,)
diff --git a/zigpy/__init__.py b/zigpy/__init__.py
index 4e4c8c6f9..2fa1947b5 100644
--- a/zigpy/__init__.py
+++ b/zigpy/__init__.py
@@ -1,5 +1,5 @@
 MAJOR_VERSION = 0
-MINOR_VERSION = 44
-PATCH_VERSION = "1"
+MINOR_VERSION = 45
+PATCH_VERSION = "0.dev0"
 __short_version__ = f"{MAJOR_VERSION}.{MINOR_VERSION}"
 __version__ = f"{__short_version__}.{PATCH_VERSION}"
diff --git a/zigpy/ota/OTA_URLs.md b/zigpy/ota/OTA_URLs.md
new file mode 100644
index 000000000..d4887cb93
--- /dev/null
+++ b/zigpy/ota/OTA_URLs.md
@@ -0,0 +1,87 @@
+# Zigbee OTA source provider sources for these and others
+
+Collection of external Zigbee OTA firmware images from official and unofficial OTA provider sources.
+
+### Koenkk zigbee-OTA repository
+
+Koenkk zigbee-OTA repository host third-party OTA firmware images and external URLs for many third-party Zigbee OTA firmware images.
+
+https://github.com/Koenkk/zigbee-OTA/tree/master/images
+
+https://raw.githubusercontent.com/Koenkk/zigbee-OTA/master/index.json
+
+### Dresden Elektronik
+
+Dresden Elektronik Zigbee OTA firmware images are made publicly available by Dresden Elektronik (first-party) at the following URL:
+
+https://github.com/dresden-elektronik/deconz-rest-plugin/wiki/OTA-Image-Types---Firmware-versions
+
+Dresden Elektronik also provide third-party OTA firmware images and external URLs for many third-party Zigbee OTA firmware images.
+
+### EUROTRONICS
+
+EUROTRONICS Zigbee OTA firmware images are made publicly available by EUROTRONIC Technology (first-party) at the following URL:
+
+https://github.com/EUROTRONIC-Technology/Spirit-ZigBee/releases/download/
+
+### IKEA Trådfri 
+
+IKEA Tradfi Zigbee OTA firmware images are made publicly available by IKEA (first-party) at the following URL:
+
+Download-URL: 
+
+http://fw.ota.homesmart.ikea.net/feed/version_info.json
+
+Download-URL (Test/Beta-Version): 
+
+http://fw.test.ota.homesmart.ikea.net/feed/version_info.json
+
+Release changelogs
+
+https://ww8.ikea.com/ikeahomesmart/releasenotes/releasenotes.html
+
+### LEDVANCE/Sylvania and OSRAM Lightify
+
+LEDVANCE/Sylvania and OSRAM Lightify Zigbee OTA firmware images are made publicly available by LEDVANCE (first-party) at the following URL:
+
+https://update.ledvance.com/firmware-overview
+
+https://api.update.ledvance.com/v1/zigbee/firmwares/download
+
+https://consumer.sylvania.com/our-products/smart/sylvania-smart-zigbee-products-menu/index.jsp
+
+### Legrand/Netatmo
+
+Legrand/Netatmo Zigbee OTA firmware images are made publicly available by Legrand (first-party) at the following URL:
+
+https://developer.legrand.com/documentation/operating-manual/ https://developer.legrand.com/documentation/firmwares-download/
+
+### LiXee
+
+LiXee Zigbee OTA firmware images are made publicly available by Fairecasoimeme / ZiGate (first-party) at the following URL:
+
+https://github.com/fairecasoimeme/Zlinky_TIC/releases
+
+### SALUS/Computime
+
+SALUS/Computime Hue Zigbee OTA firmware images are made publicly available by SALUS (first-party) at the following URL:
+
+https://eu.salusconnect.io/demo/default/status/firmware
+
+### Sengled
+
+Sengled Zigbee OTA firmware images are made publicly available by Dresden Elektronik (third-party) at the following URL:
+
+https://github.com/dresden-elektronik/deconz-rest-plugin/wiki/OTA-Image-Types---Firmware-versions#sengled
+
+### Philips Hue (Signify)
+
+Philips Hue (Signify) Zigbee OTA firmware images are made publicly available by Dresden Elektronik (third-party) at the following URL:
+
+https://github.com/dresden-elektronik/deconz-rest-plugin/wiki/OTA-Image-Types---Firmware-versions#philips-hue
+
+### Ubisys
+
+Ubisys Zigbee OTA firmware images are made publicly available by Ubisys (first-party) at the following URL:
+
+https://www.ubisys.de/en/support/firmware/
diff --git a/zigpy/ota/image.py b/zigpy/ota/image.py
index f3da5ab25..b76512255 100644
--- a/zigpy/ota/image.py
+++ b/zigpy/ota/image.py
@@ -223,8 +223,12 @@ def parse_ota_image(data: bytes) -> tuple[BaseOTAImage, bytes]:
     Attempts to extract any known OTA image type from data. Does not validate firmware.
     """
 
-    # IKEA container needs to be unwrapped
-    if data.startswith(b"NGIS"):
+    if len(data) > 4 and int.from_bytes(data[0:4], "little") + 21 == len(data):
+        # Legrand OTA images are prefixed with their unwrapped size and include a 1 + 16
+        # byte suffix
+        return OTAImage.deserialize(data[4:-17])
+    elif data.startswith(b"NGIS"):
+        # IKEA container needs to be unwrapped
         if len(data) <= 24:
             raise ValueError(
                 f"Data too short to contain IKEA container header: {len(data)}"
diff --git a/zigpy/types/struct.py b/zigpy/types/struct.py
index 989a5104c..01f457f11 100644
--- a/zigpy/types/struct.py
+++ b/zigpy/types/struct.py
@@ -184,11 +184,21 @@ def assigned_fields(self, *, strict=False) -> list[tuple[StructField, typing.Any
 
         return assigned_fields
 
-    def as_dict(self) -> dict[str, typing.Any]:
-        return {f.name: getattr(self, f.name) for f in self.fields}
+    def as_dict(self, *, skip_missing: bool = False) -> dict[str, typing.Any]:
+        d = {}
 
-    def as_tuple(self) -> tuple:
-        return tuple(getattr(self, f.name) for f in self.fields)
+        for f in self.fields:
+            value = getattr(self, f.name)
+
+            if value is None and skip_missing:
+                continue
+
+            d[f.name] = value
+
+        return d
+
+    def as_tuple(self, *, skip_missing: bool = False) -> tuple:
+        return tuple(self.as_dict(skip_missing=skip_missing).values())
 
     def serialize(self) -> bytes:
         chunks = []
diff --git a/zigpy/zcl/__init__.py b/zigpy/zcl/__init__.py
index e5b443920..1ee1bafd8 100644
--- a/zigpy/zcl/__init__.py
+++ b/zigpy/zcl/__init__.py
@@ -207,7 +207,7 @@ def from_id(
                 cluster.cluster_id = cluster_id
                 return cluster
 
-        LOGGER.warning("Unknown cluster 0x%04X", cluster_id)
+        LOGGER.debug("Unknown cluster 0x%04X", cluster_id)
 
         cluster = cls(endpoint, is_server)
         cluster.cluster_id = cluster_id
diff --git a/zigpy/zcl/clusters/closures.py b/zigpy/zcl/clusters/closures.py
index 3c1adf789..c490e6183 100644
--- a/zigpy/zcl/clusters/closures.py
+++ b/zigpy/zcl/clusters/closures.py
@@ -336,7 +336,7 @@ class EventType(t.enum8):
             "set_holiday_schedule",
             {
                 "holiday_schedule_id": t.uint8_t,
-                "loca_start_time": t.LocalTime,
+                "local_start_time": t.LocalTime,
                 "local_end_time": t.LocalTime,
                 "operating_mode_during_holiday": OperatingMode,
             },
diff --git a/zigpy/zcl/clusters/general.py b/zigpy/zcl/clusters/general.py
index 809463c07..5e765afaf 100644
--- a/zigpy/zcl/clusters/general.py
+++ b/zigpy/zcl/clusters/general.py
@@ -1380,7 +1380,7 @@ class ImageNotifyPayloadType(t.enum8):
                 "file_offset": t.uint32_t,
                 "maximum_data_size": t.uint8_t,
                 "request_node_addr?": t.EUI64,
-                "minumum_block_period?": t.uint16_t,
+                "minimum_block_period?": t.uint16_t,
             },
             False,
         ),
diff --git a/zigpy/zcl/clusters/homeautomation.py b/zigpy/zcl/clusters/homeautomation.py
index 5f3a4e026..44f4430fe 100644
--- a/zigpy/zcl/clusters/homeautomation.py
+++ b/zigpy/zcl/clusters/homeautomation.py
@@ -58,7 +58,7 @@ class ApplianceEventAlerts(Cluster):
         0x00: ZCLCommandDef("get_alerts", {}, False)
     }
     client_commands: dict[int, ZCLCommandDef] = {
-        0x00: ZCLCommandDef("get_alarts_response", {}, True),
+        0x00: ZCLCommandDef("get_alerts_response", {}, True),
         0x01: ZCLCommandDef("alerts_notification", {}, False),
         0x02: ZCLCommandDef("event_notification", {}, False),
     }
diff --git a/zigpy/zcl/clusters/lighting.py b/zigpy/zcl/clusters/lighting.py
index a8c5dac73..4eac72f00 100644
--- a/zigpy/zcl/clusters/lighting.py
+++ b/zigpy/zcl/clusters/lighting.py
@@ -148,7 +148,7 @@ class ColorLoopDirection(t.enum8):
         0x02: ZCLCommandDef(
             "step_hue",
             {
-                "setp_mode": StepMode,
+                "step_mode": StepMode,
                 "step_size": t.uint8_t,
                 "transition_time": t.uint8_t,
                 "options_mask?": t.bitmap8,