Windows locale surrogate errors in strftime handling

NousResearch/hermes-agent · cluster 102910

Data as of 2026-10-23 11:54 UTC

Nothing open on GitHub. Fix merged in #120748. Check it covers your case.

open issues

open PRs

items grouped

Known?: Yes. 5 related items grouped here, 1 issue already closed.
Fix event: A fix was merged to main in PR #120748. Check it covers your case. No release data is tracked.
Tracker: The maintainers' tracker marks this resolved, deciding PR #120748. That is separate from the fix event.
Still open: Nothing open on GitHub.

Next step: read #120748, then check it covers your case.

Read #120748 Pick up a Lab task

These issues and fixes address UnicodeEncodeError crashes caused by undecodable locale or timezone names when calling strftime on Windows. The work involves adding protective wrappers or fallbacks to prevent surrogate characters from propagating and crashing the application.

Open issues0

No open issues.

Open PRs0

No open pull requests.

Fixes on record

Merged to main. A stamp counts the issues a fix is linked to.

#120748 fix(time): stop Windows locale timezone names from crashing the gateway

merged to main

files: agent/account_usage.py, agent/auxiliary_unavailable.py, agent/billing_usage.py, agent/insights.py, agent/learning_graph_render.py, agent/system_prompt.py, cron/quota_hold.py, cron/scheduler.py, gateway/message_timestamps.py, hermes_cli/goals.py, hermes_cli/status_auth.py, hermes_time.py, tests/agent/test_system_prompt.py, tests/cron/test_timezone.py, tools/session_search_tool.py

3 PRs closed without merging

From the close comments: duplicate 1 · merged via another change 1 · superseded by another PR 1

#102918 fix(agent): keep Windows locale errors from crashing conversations · merged via another change
#102936 strftime: add safe_strftime wrapper for Windows locale surrogate issues · duplicate → #102918, #102910
#103438 fix(i18n): survive undecodable locale names in strftime paths (fixes #102910) · superseded by another PR

Closed issues · 1

Closed#102910[Bug] Windows fr-FR: strftime("%Z") raises UnicodeEncodeError: surrogates not allowed and crashes the desktop gateway at every conversation start

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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 0.40: 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

Merged PRs: #120748
Closed issues: 1
Attempts: 3 PRs closed without merging
Fix link checked: 23 Sep 2026

For your agent

The same facts, typed.

cluster/102910.json
cluster/102910.md