Redis version: redis-7.2.4
RedisGraph version: redisgraph-2.12.10
Operating system: Ubuntu 20.04

Q1:MATCH (n0)<-[r0 :T0]-(n1 :L2)-[r1 :T4]->(n2), (n0)-[r2 :T1]->(n3 :L3)-[r3 :T2]->(n4), (n5 :L2)<-[r4 :T1]-(n3)-[r5 :T0]->(n6 :L2), (n7 :L4)<-[r6 :T5]-(n3)-[r7 :T0]->(n8 :L1), (n6)-[r8 :T1]->(n9 :L1)-[r9 :T0]->(n0), (n6 :L2)<-[r10 :T1]-(n10 :L3)<-[r11 :T1]-(n11 :L0) MATCH (n0)-[]->(n3)-[]->(n4) RETURN COUNT(*);
return--0

Q2:MATCH (n6 :L2)<-[r10 :T1]-(n10 :L3), (n10 :L3), (n8 :L1)<-[r7 :T0]-(n3 :L3)<-[r2 :T1]-(n0)<-[r9 :T0]-(n9 :L1), (n10 :L3)<-[r11 :T1]-(n11 :L0), (n9 :L1)<-[r8 :T1]-(n6 :L2), (n6 :L2)<-[r5 :T0]-(n3 :L3), (n7 :L4)<-[r6 :T5]-(n3 :L3), (n5 :L2), (n5 :L2)<-[r4 :T1]-(n3 :L3), (n4)<-[r3 :T2]-(n3 :L3), (n1 :L2)-[r0 :T0]->(n0), (n1 :L2)-[r1 :T4]->(n2) MATCH (n0)-[]->(n3)-[]->(n4) RETURN COUNT(*);
return--1

Q1 returns 0 while Q2 returns 1. Only the first MATCH differs here; the second MATCH is identical and fully references the nodes from the first MATCH. The problem also shows up where the first MATCH is applied, and it seems the issue occurs purely when referencing nodes.

database：

database.log