The latest Haiku release is almost a year old. Clearly they don't care about the small-but-capable part of the market at all.
From TFA:
>> Claude Haiku 5.5, built for high-volume and cost-sensitive applications, will join the Claude 5.5 family in the coming weeks.
From TFA:
>> Claude Haiku 5.5, built for high-volume and cost-sensitive applications, will join the Claude 5.5 family in the coming weeks.