HSK 2015 Test Syllabus (V2):
HSK1-6
HSK 2021 Test Syllabus (V3):
HSK C1-9 = HSK Characters
HSK V1-9 = HSK Vocabulary
HSK W1-3 = HSK Handwriting
A word or grammar has both HSK5 and HSK V3 labels, which means it is HSK5 in HSK 2015 Test Syllabus and HSK Vocabulary 3 in HSK 2021 Test Syllabus.
(more)HSK1-6
HSK 2021 Test Syllabus (V3):
HSK C1-9 = HSK Characters
HSK V1-9 = HSK Vocabulary
HSK W1-3 = HSK Handwriting
A word or grammar has both HSK5 and HSK V3 labels, which means it is HSK5 in HSK 2015 Test Syllabus and HSK Vocabulary 3 in HSK 2021 Test Syllabus.