Sui experienced three mainnet outages on May 28 and May 29 tied to its v1.72 release.
Two halts came from a gas-charging bug exposed by the new address balances feature.
The third halt followed a latent randomness bug triggered during validator restarts.
The Sui Foundation published its full review of the three mainnet outages that knocked the network offline across May 28 and May 29, 2026. The firm claimed that the disruptions were caused by two distinct bugs in the v1.72 software release.
The post-mortem confirmed that the first two halts shared the same root cause, while a third halt was triggered by a latent randomness-state bug exposed during validator restarts.
The first outage began at around 7 a.m. PT on Thursday, May 28, and ended at about 1:30 p.m. PT the same day. The second halt ran from roughly 5 a.m. PT to 8:30 a.m. PT on Friday, May 29.
The third outage began at around 1:30 p.m. PT on Friday and ended at about 7:20 p.m. PT. The Foundation said no user fu
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