Added value: +{
+  "description": "공시상세유형 (DART pblntf_detail_ty), narrower than kind: A001 사업보고서 · A002 반기 · A003 분기 · B001 주요사항보고서 · F001 감사보고서 · F002 연결감사보고서 … Not with preset.",
+  "pattern": "^[A-J]\\d{3}$",
+  "type": "string"
+}

Added value: +{
+  "description": "법인구분 (DART corp_cls Y·K·N·E): kospi · kosdaq · konex · unlisted (기타). Omit or all = every market.",
+  "enum": [
+    "all",
+    "kospi",
+    "kosdaq",
+    "konex",
+    "unlisted"
+  ],
+  "type": "string"
+}

Added value: +false

Previous value: -"Collect the whole period in parallel even without a preset (정정공시 included — the same set as page mode). When true, limit applies instead of page/size."New value: +"Batch-collect the whole period without a preset (same set as page mode, 정정공시 included); limit replaces page/size."

Previous value: -"Collector workers in batch mode (1~10, default 5). **Effective concurrency is set by a server-wide cap, so raising this usually does NOT make it faster** — to cut latency, set corp (which removes the period split, leaving a single request), narrow the period, or lower limit. The response's dart_requests/cached_chunks report how many DART requests this call spent and how many chunks came from cache — read them when it feels slow."New value: +"Collector workers. A server-wide cap sets real concurrency, so raising this rarely helps — to cut latency set corp, narrow the period or lower limit."

Previous value: -"회사명/종목코드/corp_code. Omit for all companies — but a batch without corp splits the period into calendar months and sweeps every company: closed months fetched before are served from cache (cached_chunks), the rest cost DART requests up to the per-call budget (default 60, env SEARCH_MAX_REQUESTS) and can take tens of seconds; on reaching it collection is truncated and flagged incomplete=true. With corp the split disappears and the same query finishes in 1 request and a few hundred ms."New value: +"회사명/종목코드/corp_code. Omit = all companies; a batch then splits the period by month, spends up to 60 DART requests (incomplete=true when hit) and can take tens of seconds. With corp: 1 request, a few hundred ms."

Previous value: -"Trailing N days from today instead of start (1~730; out-of-range values are clamped to the bound). When unset, the preset default applies: 사업·감사 460 / 반기 280 / 분기 180 / 수시·일반 90. For windows longer than 730 days use start/end"New value: +"Trailing N days from today, used when start is omitted; out-of-range values clamp. Default by preset: 사업·감사 460 / 반기 280 / 분기 180 / 수시·일반 90. Longer windows: start/end."

Previous value: -"End date (defaults to today)"New value: +"End date (default today)"

Previous value: -"One latest version per event — where a 정정 exists the 구본(원본) is dropped and the latest 정정본 is taken (this does NOT exclude 정정공시 themselves). Use when you need one duplicate-free set. DART windows these on each event's LATEST version date — an event first filed in the window but corrected after end is absent (it shows up in the window of its last 정정)."New value: +"One latest version per event: 원본 replaced by its latest 정정본 (정정공시 NOT excluded) — a duplicate-free set. Windowed by each event's LATEST version date: filed in window but corrected after end = absent."

Previous value: -"Whether to include 정정공시 ([기재정정] etc.) — preset batch mode ONLY (default false, to avoid double-counting 원본+정정 of the same event; correction_all forces true; ignored when final_only=true since that already removes duplicates). Bare all_pages and page mode ALWAYS include them (raw DART) — for latest-only without duplicates use final_only."New value: +"Include 정정공시 ([기재정정] etc.) in preset batch; off avoids 원본+정정 double count. correction_all forces true; ignored with final_only. Page mode and bare all_pages always include them. Latest-only: final_only."

Previous value: -"공시유형: periodic/major/issuance/holdings/other/audit/fund/abs/exchange/ftc (= DART pblntf_ty A~J 순서 — 글자로 줘도 된다)"New value: +"공시유형; omit = all types. Enum order = DART pblntf_ty A~J; that letter or the Korean name (정기공시…) also works."

Previous value: -"Cap on rows finally returned in batch mode (preset given or all_pages=true)"New value: +"Max rows returned in batch mode (preset or all_pages)"

Previous value: -"Page number (page mode — the default when neither preset nor all_pages is set). Row shape differs by mode: page mode items are raw DART list rows, batch mode items a 7-key projection (rcept_no·rcept_dt·corp_name·corp_code·corp_cls·report_nm·flr_nm) plus event on 주요사항 rows and corrected/withdrawn:true from DART rm (정 = a later 정정 exists, 철 = withdrawn), so any other field is only in page mode."New value: +"Page number (page mode = no preset, all_pages=false). Page mode returns raw DART rows; batch rows drop stock_code·rm and add event (주요사항), corrected (= a later 정정 exists), withdrawn."

Previous value: -"주요사항보고 presets match the EXACT DART 보고 사유 (never a title substring) — one key per 사유, named like get_corporate_event event_type (cb_issuance · cb_treasury_resale · cb_early_acquisition · cb_call_designation · cb_call_exercise_third_party · treasury_acquisition · company_merger · other_corp_stock_acquisition · guarantee_for_others …), plus group aliases that union them: capital_change · cb · bw · cps · bond_issuance · treasury · treasury_trust · restructuring · asset_deal · asset_transfer_etc · guarantee_debt · insolvency · overseas. Other presets: large_holding_5pct · annual_report/half_report/quarterly_report · audit_report · correction_all. Setting one applies kind and the filter automatically and collects every page in parallel. Old names (cb_issue · bw_issue · eb_issue · treasury_buy/sell · merger · split) are accepted as the exact 사유 they name."New value: +"Batch filter; sets kind and collects every page. 주요사항보고 keys match the EXACT DART 보고 사유 (never a title substring) — one key per 사유 (cb_issuance · cb_treasury_resale …); group aliases capital_change · cb · bw · cps · bond_issuance · treasury · treasury_trust · restructuring · asset_deal · asset_transfer_etc · guarantee_debt · insolvency · overseas union several. large_holding_5pct = all 지분공시."

Previous value: -"Start date YYYY-MM-DD. When omitted, `days` back from today (and when that is unset, the preset default: 사업·감사 460 / 반기 280 / 분기 180 / 수시·일반 90) — set it explicitly for older filings. (The old parameter name begin is still accepted — unified with start/end in get_corporate_event.)"New value: +"Start date YYYY-MM-DD. Omitted = `days` back from today; set it for older filings."

Previous value: -"회사명/종목코드/corp_code. Omit for all companies — but a batch without corp splits the period into 90-day chunks and sweeps every company, spending up to the per-call request budget (default 60, env SEARCH_MAX_REQUESTS) and taking tens of seconds; on reaching it collection is truncated and flagged incomplete=true. With corp the split disappears and the same query finishes in 1 request and a few hundred ms."New value: +"회사명/종목코드/corp_code. Omit for all companies — but a batch without corp splits the period into calendar months and sweeps every company: closed months fetched before are served from cache (cached_chunks), the rest cost DART requests up to the per-call budget (default 60, env SEARCH_MAX_REQUESTS) and can take tens of seconds; on reaching it collection is truncated and flagged incomplete=true. With corp the split disappears and the same query finishes in 1 request and a few hundred ms."

Previous value: -"One latest version per event — where a 정정 exists the 구본(원본) is dropped and the latest 정정본 is taken (this does NOT exclude 정정공시 themselves). Use when you need one duplicate-free set."New value: +"One latest version per event — where a 정정 exists the 구본(원본) is dropped and the latest 정정본 is taken (this does NOT exclude 정정공시 themselves). Use when you need one duplicate-free set. DART windows these on each event's LATEST version date — an event first filed in the window but corrected after end is absent (it shows up in the window of its last 정정)."

Previous value: -"Page number (page mode — the default when neither preset nor all_pages is set). Row shape differs by mode: page mode items are raw DART list rows, batch mode items a 7-key projection (rcept_no·rcept_dt·corp_name·corp_code·corp_cls·report_nm·flr_nm) plus event on 주요사항 rows, so any other field is only in page mode."New value: +"Page number (page mode — the default when neither preset nor all_pages is set). Row shape differs by mode: page mode items are raw DART list rows, batch mode items a 7-key projection (rcept_no·rcept_dt·corp_name·corp_code·corp_cls·report_nm·flr_nm) plus event on 주요사항 rows and corrected/withdrawn:true from DART rm (정 = a later 정정 exists, 철 = withdrawn), so any other field is only in page mode."

Previous value: -"공시유형: periodic/major/issuance/holdings/audit/other/fund/abs/exchange/ftc"New value: +"공시유형: periodic/major/issuance/holdings/other/audit/fund/abs/exchange/ftc (= DART pblntf_ty A~J 순서 — 글자로 줘도 된다)"

Previous value: -"Page number (page mode — the default when neither preset nor all_pages is set). Row shape differs by mode: page mode items are raw DART list rows, batch mode items a 7-key projection (rcept_no·rcept_dt·corp_name·corp_code·corp_cls·report_nm·flr_nm), so any field outside those 7 is only in page mode."New value: +"Page number (page mode — the default when neither preset nor all_pages is set). Row shape differs by mode: page mode items are raw DART list rows, batch mode items a 7-key projection (rcept_no·rcept_dt·corp_name·corp_code·corp_cls·report_nm·flr_nm) plus event on 주요사항 rows, so any other field is only in page mode."

Previous value: -"22 presets: treasury_buy/sell/trust · cb/bw/eb_issue · rights_offering/bonus_issue/capital_reduction · merger/split/stock_exchange · business_transfer/acquisition · large_holding_5pct · annual_report/half_report/quarterly_report · audit_report · correction_all · insolvency · litigation. Setting one applies kind and a keyword filter automatically and collects every page in parallel."New value: +"주요사항보고 presets match the EXACT DART 보고 사유 (never a title substring) — one key per 사유, named like get_corporate_event event_type (cb_issuance · cb_treasury_resale · cb_early_acquisition · cb_call_designation · cb_call_exercise_third_party · treasury_acquisition · company_merger · other_corp_stock_acquisition · guarantee_for_others …), plus group aliases that union them: capital_change · cb · bw · cps · bond_issuance · treasury · treasury_trust · restructuring · asset_deal · asset_transfer_etc · guarantee_debt · insolvency · overseas. Other presets: large_holding_5pct · annual_report/half_report/quarterly_report · audit_report · correction_all. Setting one applies kind and the filter automatically and collects every page in parallel. Old names (cb_issue · bw_issue · eb_issue · treasury_buy/sell · merger · split) are accepted as the exact 사유 they name."

Previous value: -[
-  "treasury_buy",
-  "treasury_sell",
-  "treasury_trust",
-  "cb_issue",
-  "bw_issue",
-  "eb_issue",
-  "rights_offering",
-  "bonus_issue",
-  "capital_reduction",
-  "merger",
-  "split",
-  "stock_exchange",
-  "business_transfer",
-  "business_acquisition",
-  "large_holding_5pct",
-  "annual_report",
-  "half_report",
-  "quarterly_report",
-  "audit_report",
-  "correction_all",
-  "insolvency",
-  "litigation"
-]New value: +[
+  "capital_change",
+  "cb",
+  "bw",
+  "cps",
+  "bond_issuance",
+  "treasury",
+  "treasury_trust",
+  "restructuring",
+  "asset_deal",
+  "asset_transfer_etc",
+  "guarantee_debt",
+  "insolvency",
+  "overseas",
+  "rights_offering",
+  "bonus_issue",
+  "rights_bonus_combo",
+  "capital_reduction",
+  "cb_issuance",
+  "cb_treasury_resale",
+  "cb_early_acquisition",
+  "cb_call_designation",
+  "cb_call_exercise_third_party",
+  "bw_issuance",
+  "bw_treasury_resale",
+  "bw_early_acquisition",
+  "bw_call_designation",
+  "bw_call_exercise_third_party",
+  "cps_call_designation",
+  "cps_call_exercise_third_party",
+  "eb_issuance",
+  "cocobond_issuance",
+  "hybrid_capital_issuance",
+  "treasury_acquisition",
+  "treasury_disposal",
+  "treasury_trust_contract",
+  "treasury_trust_cancel",
+  "treasury_trust_extension",
+  "company_merger",
+  "company_split",
+  "company_split_merger",
+  "stock_exchange",
+  "other_corp_stock_acquisition",
+  "other_corp_stock_transfer",
+  "tangible_asset_acquisition",
+  "tangible_asset_transfer",
+  "noncurrent_asset_acquisition",
+  "noncurrent_asset_disposal",
+  "business_acquisition",
+  "business_transfer",
+  "business_deal_legacy",
+  "asset_deal_legacy",
+  "business_lease_delegation",
+  "business_lease_delegation_change",
+  "asset_transfer_other",
+  "putback_option_contract",
+  "bond_with_stock_right_acquisition",
+  "bond_with_stock_right_transfer",
+  "guarantee_for_others",
+  "collateral_for_others",
+  "debt_assumption",
+  "debt_forgiveness_granted",
+  "debt_forgiveness_received",
+  "donation",
+  "donation_received",
+  "default_occurrence",
+  "business_suspension",
+  "rehabilitation_filing",
+  "rehabilitation_commencement",
+  "rehabilitation_discontinuance",
+  "dissolution_cause",
+  "bank_management_start",
+  "bank_management_stop",
+  "bank_management_end",
+  "litigation",
+  "overseas_listing_decision",
+  "overseas_listing",
+  "overseas_delisting_decision",
+  "overseas_delisting",
+  "foreign_tender_offer",
+  "foreign_trading_halt",
+  "large_holding_5pct",
+  "annual_report",
+  "half_report",
+  "quarterly_report",
+  "audit_report",
+  "correction_all"
+]

Previous value: -"회사명/종목코드/corp_code. Omit for all companies — but a batch without corp splits the period into 90-day chunks and sweeps every company, so DART requests grow to tens~150 and it takes tens of seconds. With corp the split disappears and the same query finishes in 1 request and a few hundred ms (152× measured)."New value: +"회사명/종목코드/corp_code. Omit for all companies — but a batch without corp splits the period into 90-day chunks and sweeps every company, spending up to the per-call request budget (default 60, env SEARCH_MAX_REQUESTS) and taking tens of seconds; on reaching it collection is truncated and flagged incomplete=true. With corp the split disappears and the same query finishes in 1 request and a few hundred ms."

Previous value: -"Collector workers in batch mode (1~10, default 5). **Effective concurrency is set by a server-wide cap, so raising this usually does NOT make it faster** — to cut latency, set corp (which removes the period split, leaving a single request), narrow the period, or lower limit."New value: +"Collector workers in batch mode (1~10, default 5). **Effective concurrency is set by a server-wide cap, so raising this usually does NOT make it faster** — to cut latency, set corp (which removes the period split, leaving a single request), narrow the period, or lower limit. The response's dart_requests/cached_chunks report how many DART requests this call spent and how many chunks came from cache — read them when it feels slow."

Previous value: -"회사명/종목코드/corp_code. Omit for all companies"New value: +"회사명/종목코드/corp_code. Omit for all companies — but a batch without corp splits the period into 90-day chunks and sweeps every company, so DART requests grow to tens~150 and it takes tens of seconds. With corp the split disappears and the same query finishes in 1 request and a few hundred ms (152× measured)."

Previous value: -"Cap on rows finally returned (batch mode)"New value: +"Cap on rows finally returned in batch mode (preset given or all_pages=true)"

Previous value: -"Page number (page mode)"New value: +"Page number (page mode — the default when neither preset nor all_pages is set). Row shape differs by mode: page mode items are raw DART list rows, batch mode items a 7-key projection (rcept_no·rcept_dt·corp_name·corp_code·corp_cls·report_nm·flr_nm), so any field outside those 7 is only in page mode."

Previous value: -"Start date YYYY-MM-DD. When omitted, `days` back from today (and when that is unset, the preset default: 사업·감사 460 / 반기 280 / 분기 180 / 수시·일반 90). (The old parameter name begin is still accepted — unified with start/end in get_corporate_event.)"New value: +"Start date YYYY-MM-DD. When omitted, `days` back from today (and when that is unset, the preset default: 사업·감사 460 / 반기 280 / 분기 180 / 수시·일반 90) — set it explicitly for older filings. (The old parameter name begin is still accepted — unified with start/end in get_corporate_event.)"

Previous value: -"preset 없이도 기간 전체를 병렬 수집(정정공시 포함 — 페이지 모드와 동일 집합). true 시 page/size 대신 limit 적용."New value: +"Collect the whole period in parallel even without a preset (정정공시 included — the same set as page mode). When true, limit applies instead of page/size."

Previous value: -"배치 모드 수집 워커 수(1~10, 기본 5). **실효 동시성은 서버 전역 상한이 정하므로 이 값을 올려도 대개 빨라지지 않는다** — 지연을 줄이려면 corp 지정(기간 분할이 사라져 요청 1건)·기간 축소·limit 축소가 효과적이다."New value: +"Collector workers in batch mode (1~10, default 5). **Effective concurrency is set by a server-wide cap, so raising this usually does NOT make it faster** — to cut latency, set corp (which removes the period split, leaving a single request), narrow the period, or lower limit."

Previous value: -"회사명/종목코드/corp_code. 생략 시 전체"New value: +"회사명/종목코드/corp_code. Omit for all companies"

Previous value: -"start 대신 오늘 기준 과거 N일(1~730, 벗어나면 경계로 보정). 미지정 시 preset별 기본: 사업·감사 460·반기 280·분기 180·수시/일반 90. 730일보다 긴 기간은 start/end 로 지정하세요"New value: +"Trailing N days from today instead of start (1~730; out-of-range values are clamped to the bound). When unset, the preset default applies: 사업·감사 460 / 반기 280 / 분기 180 / 수시·일반 90. For windows longer than 730 days use start/end"

Previous value: -"종료일 (생략 시 오늘)"New value: +"End date (defaults to today)"

Previous value: -"이벤트당 최신본 1본만 — 정정이 있으면 구본(원본)을 빼고 최신 정정본을 채택한다(정정공시 자체를 제외하는 게 아님). 중복 없는 한 벌이 필요할 때 사용."New value: +"One latest version per event — where a 정정 exists the 구본(원본) is dropped and the latest 정정본 is taken (this does NOT exclude 정정공시 themselves). Use when you need one duplicate-free set."

Previous value: -"정정공시([기재정정] 등) 포함 여부 — preset 배치 모드 전용(기본 false: 같은 이벤트의 원본+정정 중복 집계 방지, correction_all 은 자동 true, final_only=true 면 이미 중복이 없어 무시). preset 없는 all_pages·페이지 모드는 항상 포함(DART 원본 그대로) — 중복 없이 최신본만 원하면 final_only."New value: +"Whether to include 정정공시 ([기재정정] etc.) — preset batch mode ONLY (default false, to avoid double-counting 원본+정정 of the same event; correction_all forces true; ignored when final_only=true since that already removes duplicates). Bare all_pages and page mode ALWAYS include them (raw DART) — for latest-only without duplicates use final_only."

Previous value: -"배치 모드 최종 반환 개수 상한"New value: +"Cap on rows finally returned (batch mode)"

Previous value: -"페이지 모드 시 페이지 번호"New value: +"Page number (page mode)"

Previous value: -"프리셋 22종: treasury_buy/sell/trust · cb/bw/eb_issue · rights_offering/bonus_issue/capital_reduction · merger/split/stock_exchange · business_transfer/acquisition · large_holding_5pct · annual_report/half_report/quarterly_report · audit_report · correction_all · insolvency · litigation. 지정 시 kind·키워드 자동 + 전량 페이지 병렬 수집."New value: +"22 presets: treasury_buy/sell/trust · cb/bw/eb_issue · rights_offering/bonus_issue/capital_reduction · merger/split/stock_exchange · business_transfer/acquisition · large_holding_5pct · annual_report/half_report/quarterly_report · audit_report · correction_all · insolvency · litigation. Setting one applies kind and a keyword filter automatically and collects every page in parallel."

Previous value: -"페이지 모드 시 페이지 크기"New value: +"Page size (page mode)"

Previous value: -"시작일 YYYY-MM-DD. 생략 시 days(미지정이면 preset별 기본: 사업·감사 460·반기 280·분기 180·수시/일반 90)일 전. (구 파라미터명 begin 도 허용 — get_major_holdings·get_corporate_event 의 start/end 와 통일)"New value: +"Start date YYYY-MM-DD. When omitted, `days` back from today (and when that is unset, the preset default: 사업·감사 460 / 반기 280 / 분기 180 / 수시·일반 90). (The old parameter name begin is still accepted — unified with start/end in get_corporate_event.)"