Understanding the limitations of Pubsub systems

The only information available is the title of a discussion that aims to explore the limits of publish-subscribe (Pubsub) systems. No concrete changes, features, or performance numbers are described, so the exact scope of the limitations remains undefined. Engineers can infer that the talk will likely cover typical concerns such as latency, ordering, and scaling, but those topics are not confirmed by the source. Because the feed offers no concrete data, there is no cost or migration effort to assess. The lack of detail means teams cannot gauge the effort required to mitigate any identified shortcomings, nor can they plan for alternative architectures. Any decision to adopt or modify a Pubsub implementation would have to rely on external research or internal testing. The discussion's relevance ends where the provided material stops; without further content, readers cannot determine which Pubsub implementations are affected, what workloads are impacted, or what workarounds might exist. Engineers should seek the full discussion or additional sources before drawing conclusions about their own systems.