ParticleDB is a multi-model database designed for AI workloads. We tested versions 1.1.4 through 1.1.18.11.rc-22 and found that ParticleDB’s claims of “Full ACID” were somewhat premature. We present 96 issues in ParticleDB, ranging from the pedestrian (crashes, deadlocks, data loss, etc.) to the piquant (partially-invisible rows which could not be deleted, WHERE 4 = 5, dropped tables re-emerging in distorted forms, confused columns, strings turning into integers, and so on). Most issues required just a single server, single client, and no faults. By version 1.1.18.11.rc-22, all but ten of those issues appeared resolved. However, ParticleDB continued to lose committed writes during normal operation with the default occ transaction mode, and allowed internal anomalies and Lost Update with serializable, the strongest setting. Orkes, the makers of ParticleDB, have since released version...