Thread history missing or unopenable

“Codex could recompute the byte offset from the ordinal (or offer a repair) instead of hard-failing.”

Is this your bug? What gets counted gets fixed. Pile on.

Paste this into your agent. It files your report, with your error and version.

I hit this bug: rapsheet.dev/sheets/codex/themes/193/file
Follow it to file my report. Show me the text before you send.

No install. No account. Public and anonymous. The link asks your agent for one report, nothing else. What it sends

Fading. No reports and thumbs-up in the last 7 days and 1 the week before, down from 9 a week at the mid-October peak.

12 bugs in this theme

read_thread returns only content-reference placeholders for ChatGPT assistant repliesNo workaround yet8 people
Chat replies go blank after switchingHas a workaround4 people
Threads fail to openHas a workaround3 people
Response vanishes after streamingNo workaround yet3 people
Older turns missing from historyNo workaround yet3 people
Completed turns return empty itemsNo workaround yet3 people
Final answers not displayedNo workaround yet3 people
Remote chat history missingNo workaround yet2 people
Thread history rolls backNo workaround yet2 people
Task transcript goes blankHas a workaround2 people

Show all 12Show only the largest 10

Chats fail to openNo workaround yet2 people
Thread history projection stallsNo workaround yet2 people

What's included

Existing thread cannot be opened: "invalid paginated history lineage: cutoff byte offset is past the source rollout", seen after an external tool shrank the rollout file
History projection stops at a duplicated rollout ordinal ("expected ordinal N, got N-1"), so the thread shows an old state while new turns keep completing
Older completed turns are skipped in the conversation view or search results after pagination, though they remain in the saved transcript
Completed turn is returned with empty items or no latest assistant message, even though the history database holds the final answer
Desktop app, remote mobile view and app-server read APIs (thread/items/list, read_thread) all show the same gaps
Answer body turns blank or shows "Unable to load this reply" after switching conversations and returning

Not included

Conversations lost because the rollout files themselves were deleted or corrupted
Chats missing from the sidebar or thread list, as opposed to missing turns inside a chat
Slow loading of long conversations without missing content

Original reports28, newest first

Oct 26, 2026[macOS App] Native ChatGPT reference returns unreadable replies; agent diverts to browser loginOn GitHub#57155
Oct 15, 2026Windows: completed final answer is saved but invisible; New Window does not restore itOn GitHub#54299
Oct 14, 2026Conversation history skips completed turns after app updateOn GitHub#54051
Oct 13, 2026Paginated history stays stale after external rollout rewrite; request supported per-thread reindex recoveryOn GitHub#53793
Oct 13, 2026Desktop remote conversation shows only Worked for durations while persisted final responses display on mobileOn GitHub#53592
Oct 11, 2026Codex desktop chat history is not rendered after reopening a long chat in a remote SSH workspaceOn GitHub#53080
Oct 9, 2026[macOS Desktop][Chat] Completed long assistant answer missing from transcript while fully visible on webOn GitHub#52701
Oct 9, 2026Windows desktop: existing chats fail to open with cutoff byte offset past the source rolloutOn GitHub#52551
Oct 9, 2026[Windows Chat 26.1002.52244] Completed answer bodies disappear on chat revisit; duration and actions remainOn GitHub#52493
Oct 9, 2026[Mac][26.924.22138] Entire paragraphs disappear after streaming completesOn GitHub#52436

Show all 28Show only the newest 10

Oct 9, 2026Thread unopenable: "cutoff byte offset is past the source rollout" although end_ordinal_exclusive identifies the correct offsetOn GitHub#52412
Oct 8, 2026GPT-6 final response disappears immediately after streaming completes in Codex macOS Chat modeOn GitHub#52385
Oct 8, 2026Unable to load replyOn GitHub#52134
Oct 4, 2026Legacy completed turn has no projected items although its original rollout records surviveOn GitHub#50861
Oct 2, 2026Codex desktop: command-menu search does not locate old matches, and read_thread pagination can skip stored itemsOn GitHub#50479
Oct 2, 2026[Windows App] read_thread returns only chatgpt-content-reference for completed ChatGPT repliesOn GitHub#50329
Sep 26, 2026Remote Codex tasks show only the first user message and assistant reply after reopening.On GitHub#48610
Sep 21, 2026[macOS][Desktop] Completed-turn history can return empty items instead of an explicit incomplete stateOn GitHub#47093
Sep 21, 2026[macOS Desktop 26.915.31945] Older turns stay hidden despite complete paginated history projectionOn GitHub#46954
Sep 20, 2026Codex Desktop omits newer saved history segments and resumes from an obsolete checkpointOn GitHub#46873
Sep 20, 2026[macOS desktop] Transcript becomes entirely blank during active task; harness restart restores historyOn GitHub#46865
Sep 18, 2026Codex Desktop main task timeline stays blank while a long-running Goal remains activeOn GitHub#46424
Sep 17, 2026"Error creating chat / Failed to resume chat" after latest macOS updateOn GitHub#46341
Sep 17, 2026app-server: thread history projection stalls forever after a duplicated rollout ordinal ("expected N, got N-1"); thread/items/list and thread/turns/list stop reflecting new turnsOn GitHub#46316
Sep 16, 2026[Windows Desktop] Active thread rolls back to stale checkpoint after restart; same-day turns and project rename disappearOn GitHub#45877
Sep 15, 2026macOS desktop app cannot resume historical threads: initialTurnsPage rejected for paginated threadsOn GitHub#45673
Sep 14, 2026macOS Desktop: completed turn returns empty items although history DB contains the final answerOn GitHub#45562
Sep 14, 2026[Windows Codex App] Task repeatedly returns to stale history: duplicate ordinal blocks projectionOn GitHub#45473