Allow multiple variable-rank dimension specs in check shapes

Allow multiple variable-rank dimension specs in check shapes: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). Feature request Allow multiple variable-rank dimension specs in check shapes. Motivation Today we have: it would be nice to have This is hard for reasons similar to…

The task

Feature request Allow multiple variable-rank dimension specs in check_shapes. Motivation Today we have: it would be nice to have This is hard for reasons similar to why GPflow/check_shapes#5 is hard. In general, if there are multiple variable-rank dimensions in one…

Part of XiaomiMiMo/MiMo-V2.6-RL-oss.