Hi everyone! I have ported over the COLM submission as-is to ICLR format in the same
overleaf project as the first iteration of our draft, and created a one page summary of reviewer concerns/feedback from the COLM submission and prior ACM CAIS workshop submission
here. The somewhat major/unaddressed concerns are:
1. Difficult to understand each component’s contribution to the performance gains as we change: (1) base model (qwen3 vs. qwen2.5), (2) scaffold, (3) RL recipe, when comparing to baselines. Reviewers asked to:
a. Train Qwen 2.5 models with our recipe
b. Train Qwen3 models with baseline scaffolds using our recipe to see if it helps →
i. Without this it is unclear whether the simple scaffold is genuinely sufficient
c. Evaluate Qwen3 base models and more proprietary LLMs on other scaffolds to make a direct comparison with CodeScout
2. Language-agnostic framing is unsupported with corresponding evaluations showing improvements on localization for other languages → is below result sufficient?
a. We have file F1 localization scores on non-Python instances from SWE-bench Pro. Qwen3-4B-Instr. → 17.38, CodeScout-4B → 32.56, Qwen3-14B: 19.41, CodeScout-14B → 22.99. Getting function/module F1 is tricky as our ground truth parsers rely on ASTs to get edited functions/modules.
3. CodeScout only works well for OpenHands-Bash and will not generalize to other scaffolds
4. Novelty: Every component is off-the-shelf (SWE-Smith, OpenHands, GSPO, RFT). RepoNavigator already makes a very similar claim - RL with a simple tool, no closed-source distillation making the incremental contribution difficult to justify.
5. The “submission reminder” substantially changes results for frontier models, including near-collapse without it for some systems so part of the reported performance difference may be failure-to-terminate behaviour rather than localization capability itself. Also this makes results harder to interpret.
a. Better if all models were compared under a standardized setup where the submission reminder was consistently enabled.
One of the suggestions from COLM AC/PC was future revisions should frame the contribution as an effective open recipe for training bash-based code localization agents instead of making broad claims about specialized scaffolds not being good enough or the models being language agnostic.