Packet Play Client Advancements

Version	ID
1.12	0x4C
1.12.1	0x4D
1.13.1	0x51
1.14.4	0x57
1.15.2	0x58

1.15.2

Packet ID	State	Bound To	Field Name		Field Type		Notes
0x58	Play	Client	Reset/Clear		Boolean		Whether to reset/clear the current advancements
			Mapping size		VarInt		Size of the following array
			Advancement mapping	Key	Array	Identifier	The identifier of the advancement
			Advancement mapping	Value	Array	Advancement	See below
			List size		VarInt		Size of the following array
			Identifiers		Array of Identifier		The identifiers of the advancements that should be removed
			Progress size		VarInt		Size of the following array
			Progress mapping	Key	Array	Identifier	The identifier of the advancement
			Progress mapping	Value	Array	Advancement progress	See below

1.14.4

Packet ID	State	Bound To	Field Name		Field Type		Notes
0x57	Play	Client	Reset/Clear		Boolean		Whether to reset/clear the current advancements
			Mapping size		VarInt		Size of the following array
			Advancement mapping	Key	Array	Identifier	The identifier of the advancement
			Advancement mapping	Value	Array	Advancement	See below
			List size		VarInt		Size of the following array
			Identifiers		Array of Identifier		The identifiers of the advancements that should be removed
			Progress size		VarInt		Size of the following array
			Progress mapping	Key	Array	Identifier	The identifier of the advancement
			Progress mapping	Value	Array	Advancement progress	See below

1.13.2

Packet ID	State	Bound To	Field Name		Field Type		Notes
0x51	Play	Client	Reset/Clear		Boolean		Whether to reset/clear the current advancements
			Mapping size		VarInt		Size of the following array
			Advancement mapping	Key	Array	Identifier	The identifier of the advancement
			Advancement mapping	Value	Array	Advancement	See below
			List size		VarInt		Size of the following array
			Identifiers		Array of Identifier		The identifiers of the advancements that should be removed
			Progress size		VarInt		Size of the following array
			Progress mapping	Key	Array	Identifier	The identifier of the advancement
			Progress mapping	Value	Array	Advancement progress	See below

1.13.1

Packet ID	State	Bound To	Field Name		Field Type		Notes
0x51	Play	Client	Reset/Clear		Boolean		Whether to reset/clear the current advancements
			Mapping size		VarInt		Size of the following array
			Advancement mapping	Key	Array	Identifier	The identifier of the advancement
			Advancement mapping	Value	Array	Advancement	See below
			List size		VarInt		Size of the following array
			Identifiers		Array of Identifier		The identifiers of the advancements that should be removed
			Progress size		VarInt		Size of the following array
			Progress mapping	Key	Array	Identifier	The identifier of the advancement
			Progress mapping	Value	Array	Advancement progress	See below

1.12.2

Packet ID	State	Bound To	Field Name		Field Type		Notes
0x4D	Play	Client	Reset/Clear		Boolean		Whether to reset/clear the current advancements
			Mapping size		VarInt		Size of the following array
			Advancement mapping	Key	Array	Identifier	The identifier of the advancement
			Advancement mapping	Value	Array	Advancement	See below
			List size		VarInt		Size of the following array
			Identifiers		Array of Identifier		The identifiers of the advancements that should be removed
			Progress size		VarInt		Size of the following array
			Progress mapping	Key	Array	Identifier	The identifier of the advancement
			Progress mapping	Value	Array	Advancement progress	See below

1.12.1

Packet ID	State	Bound To	Field Name		Field Type		Notes
0x4D	Play	Client	Reset/Clear		Boolean		Whether to reset/clear the current advancements
			Mapping size		VarInt		Size of the following array
			Advancement mapping	Key	Array	Identifier	The identifier of the advancement
			Advancement mapping	Value	Array	Advancement	See below
			List size		VarInt		Size of the following array
			Identifiers		Array of Identifier		The identifiers of the advancements that should be removed
			Progress size		VarInt		Size of the following array
			Progress mapping	Key	Array	Identifier	The identifier of the advancement
			Progress mapping	Value	Array	Advancement progress	See below

1.12

Packet ID	State	Bound To	Field Name		Field Type		Notes
0x4C	Play	Client	Reset/Clear		Boolean		Whether to reset/clear the current advancements
			Mapping size		VarInt		Size of the following array
			Advancement mapping	Key	Array	Identifier	The identifier of the advancement
			Advancement mapping	Value	Array	Advancement	See below
			List size		VarInt		Size of the following array
			Identifiers		Array of Identifier		The identifiers of the advancements that should be removed
			Progress size		VarInt		Size of the following array
			Progress mapping	Key	Array	Identifier	The identifier of the advancement
			Progress mapping	Value	Array	Advancement progress	See below