GIP-0003 resolves an issue that prevents indexing rewards from being collected in certain cases. The RewardsManager contract's main responsibility is to calculate rewards accrued for allocations based on the total token supply, tokens signaled on subgraphs, accumulated rewards on a subgraph and allocations. In a specific edge case, calculation could fail and block closing an allocation in a way that collects rewards.
View the full proposal in the Graph Improvement Proposals repo hosted on Radicle, ID: rad:git:hwd1yreg8s5ju3d7yr9w5p1zxpapjktajoxepf77womowk4mxaigp77rysr
Find the discussion for GIP-0003 in this forum thread.