NousResearch/hermes-agent

Anthropic preserved thinking replay bug fixes

Cluster 129476. Data as of

Nothing open on GitHub. Fix attempted, not merged.

The short answer

0open issues
0open PRs
3items grouped
Known?
Yes. 3 related items grouped here, 1 issue already closed.
Fix event
No fix has been merged to main. 2 PRs closed without merging; see the attempts below.
Tracker
The maintainers' tracker marks this unresolved. That is separate from the fix event.
Still open
Nothing open on GitHub.

These items address a bug where signed thinking blocks from prior assistant turns are stripped during replay, breaking reasoning chain continuity and prompt-cache prefix stability on newer Anthropic models. The cluster includes the bug report and two related fix attempts targeting coherence of the replay behavior.

Open issues0

No open issues.

Open PRs0

No open pull requests.

2 PRs closed without merging

From the close comments: done elsewhere 1 · superseded by another PR 1

  • #129492 fix(anthropic): replay signed thinking on every assistant turn (preserved thinking) · superseded by another PR → 5d07710
  • #129620 fix(anthropic): make preserved-thinking replay coherent · done elsewhere → 588b746, 91145e5, c19252d, a3b56ca, 6b64d45, bc9511a, 7df230b, 6698760, e78c9f6, 28529b9, f2ad223, #129476, #172554, #129492, #106426, #103476, #129882, #70107, #83331
Closed issues · 1
  • Closed#129476[Bug]: Anthropic prior-turn signed thinking blocks are stripped on replay (preserved thinking), losing the reasoning chain and breaking prompt-cache prefix stability on Opus 4.6+/5.x
How this cluster was grouped
  • Link evidence (structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
  • Pairwise link density 0.67: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. 1.00 means every pair is linked.

Pick up a Lab task

Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.

Open the Lab

At a glance

Closed issues
1
Attempts
2 PRs closed without merging

For your agent

The same facts, typed.