diff --git a/CHANGELOG.md b/CHANGELOG.md
index d7e27ad..27c62e7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,7 +14,12 @@ prediction-API surface. Additive release: no changes to `KalshiClient`.
   exchange (`external-api.kalshi.com` / demo `external-api.demo.kalshi.co`,
   `/trade-api/v2`), with their own `PerpsConfig` and a separate `KALSHI_PERPS_*`
   credential namespace. They reuse the prediction-API RSA-PSS signer and HTTP
-  transport unchanged. Resource families: `exchange` (status / enabled gate /
+  transport unchanged. The constructors and `from_env()` also accept
+  `ws_base_url` (set the WS endpoint independently from REST) and `password`
+  (passphrase for an encrypted key), and read `KALSHI_PERPS_WS_BASE_URL` /
+  `KALSHI_PERPS_PRIVATE_KEY_PASSPHRASE` from the environment; passing `config=`
+  together with `demo`/`base_url`/`ws_base_url` is rejected. Resource families:
+  `exchange` (status / enabled gate /
   risk parameters), `markets` (list / get / orderbook / candlesticks), `orders`
   (create / get / list / cancel / decrease / amend + FCM), `order_groups`,
   `portfolio` (positions / fills / trades), `margin` (balance / risk /
@@ -52,8 +57,16 @@ prediction-API surface. Additive release: no changes to `KalshiClient`.
   spec-required array key raises `ValidationError` (surfacing spec drift instead
   of silently returning `[]`), while a **null** array coerces to `[]` (Kalshi's
   empty-as-null convention — the prior `data.get(...)` extraction would
-  `TypeError` on a null array). The equivalent perps endpoints were hardened the
-  same way (markets/funding list responses).
+  `TypeError` on a null array). The perps `markets.list` / `markets.candlesticks`
+  / `funding.historical_rates` / `funding.history` responses use the same
+  `NullableList` envelopes, so null-handling is consistent across both surfaces.
+  The optional `order_groups.list` stays tolerant of a missing/null array.
+
+### Fixed
+
+- `KalshiWebSocket._stop()` now retrieves an already-finished receive-loop's
+  exception, so a session torn down after a permanent close no longer logs
+  asyncio's "Task exception was never retrieved" on garbage collection.
 
 ### Internal
 
diff --git a/ROADMAP.md b/ROADMAP.md
index 7c667ee..ee8b5ff 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -2,6 +2,17 @@
 
 ## Shipped
 
+- **v3.2.0 (2026-06-05)** — full **Perps (margin) API** support: standalone
+  `PerpsClient` / `AsyncPerpsClient` (REST), `PerpsWebSocket`, and the
+  Self-Clearing-Member `KlearClient` (cookie-session + MFA settlement API),
+  alongside the unchanged prediction-API surface. Also hardened the prediction
+  and perps list endpoints to validate typed response envelopes (a missing
+  spec-required array now surfaces as a `ValidationError`). Additive for
+  existing `KalshiClient` users.
+- **v3.1.0 (2026-06-04)** — OpenAPI sync v3.19.0 → v3.20.0: `events.fee_changes`,
+  `is_block_trade`, and the `event_fee_update` frame on the `market_lifecycle_v2`
+  WebSocket channel.
+- **v3.0.1 (2026-05-26)** — OpenAPI sync v3.18.0 → v3.19.0.
 - **v3.0.0 (2026-05-22)** — first major release in the v3 line. Three
   breaking-rename issues (`#348`, `#349`, `#351`) deferred from the v2.7.0
   audit closure land with one-release deprecation aliases:
diff --git a/docs/RELEASING.md b/docs/RELEASING.md
index 2eca33e..7d3409b 100644
--- a/docs/RELEASING.md
+++ b/docs/RELEASING.md
@@ -31,6 +31,8 @@ from this repo can publish without further configuration.
 ## Cutting a release
 
 1. Bump `version` in `pyproject.toml` and `__version__` in `kalshi/__init__.py`.
+   The `## <version>` heading in `CHANGELOG.md` must use the same version (the
+   workflow extracts the section by that heading for the release body).
 2. Add a section to `CHANGELOG.md` for the new version. The release workflow
    extracts the section between `## <version>` and the next `## ` heading
    and uses it as the GitHub Release body, so write it for that audience.
diff --git a/docs/authentication.md b/docs/authentication.md
index 80b435d..2036eb4 100644
--- a/docs/authentication.md
+++ b/docs/authentication.md
@@ -226,8 +226,14 @@ with KalshiClient.from_env() as client:
     ...
 ```
 
-An explicit `password=` argument always wins over
-`KALSHI_PRIVATE_KEY_PASSPHRASE` when both are supplied. A wrong passphrase
+`KalshiClient.from_env()` has no `password=` kwarg — it reads the passphrase
+only from `KALSHI_PRIVATE_KEY_PASSPHRASE`. For programmatic passphrase control,
+build a `KalshiAuth` (above) and pass it as `auth=`. (The perps
+`PerpsClient.from_env()` *does* accept a `password=` kwarg.)
+
+Wherever a `password=` argument is accepted (the `KalshiAuth.from_*`
+constructors and `PerpsClient`), it always wins over an environment passphrase
+when both are supplied. A wrong passphrase
 raises `KalshiAuthError` ("Invalid PEM private key…"); a missing passphrase
 for an encrypted PEM raises `KalshiAuthError` pointing at the `password=`
 parameter.
diff --git a/docs/dataframes.md b/docs/dataframes.md
index a9093cc..aeaf0c8 100644
--- a/docs/dataframes.md
+++ b/docs/dataframes.md
@@ -25,8 +25,11 @@ print(df[["ticker", "yes_bid", "yes_ask", "volume_24h"]].head())
 
 ## How it works
 
-Both methods walk `page.items` and call `item.model_dump(mode="python")` on
-each, then hand the records to `pd.DataFrame(...)` / `pl.DataFrame(...)`.
+Both methods build a column-oriented `dict[field, list[value]]` over
+`page.items` (`getattr` per field — deliberately avoiding a per-row
+`model_dump`) and hand it to `pd.DataFrame(...)` / `pl.DataFrame(...)`. Nested
+model cells are dumped to dicts per column (so polars can infer a `Struct`
+dtype) while scalar cells pass through unchanged.
 
 This means:
 
diff --git a/docs/environment-variables.md b/docs/environment-variables.md
index 30c02cc..4e9442d 100644
--- a/docs/environment-variables.md
+++ b/docs/environment-variables.md
@@ -8,7 +8,8 @@ these:
 | `KALSHI_KEY_ID` | unset | Key ID. If unset, `from_env()` returns an unauthenticated client. |
 | `KALSHI_PRIVATE_KEY` | unset | PEM string. **Conflicts** with `KALSHI_PRIVATE_KEY_PATH` — set exactly one. |
 | `KALSHI_PRIVATE_KEY_PATH` | unset | Path to PEM file. `~` is expanded. Conflicts with `KALSHI_PRIVATE_KEY`. |
-| `KALSHI_DEMO` | `false` | Truthy values (`true`, `1`, `yes`, `on`, case-insensitive) flip the client to the demo URLs. |
+| `KALSHI_PRIVATE_KEY_PASSPHRASE` | unset | Passphrase for an encrypted PEM (read by `try_from_env()`). |
+| `KALSHI_DEMO` | `false` | The exact string `true` (case-insensitive) selects the demo URLs. Other values (`1`, `yes`, `on`) are **not** recognized. |
 | `KALSHI_API_BASE_URL` | unset | Overrides `base_url` entirely. Wins over `KALSHI_DEMO`. |
 | `KALSHI_ALLOW_UNKNOWN_HOST` | unset | Set to `1` to allow `base_url`/`ws_base_url` hosts outside `{api.elections.kalshi.com, demo-api.kalshi.co, localhost}`. Default-fail prevents typos like `kalsi.com` from silently signing to an attacker (#250). |
 
@@ -52,3 +53,30 @@ config = (
 with KalshiClient.from_env(config=config) as client:
     ...
 ```
+
+## Perps environment variables
+
+`PerpsClient.from_env()` / `AsyncPerpsClient.from_env()` read a **separate**
+`KALSHI_PERPS_*` namespace — perps requires a key issued for the perps exchange:
+
+| Variable | Default | Effect |
+|---|---|---|
+| `KALSHI_PERPS_KEY_ID` | unset | Perps key ID. Omit for an unauthenticated client. |
+| `KALSHI_PERPS_PRIVATE_KEY` | unset | PEM string. Conflicts with `KALSHI_PERPS_PRIVATE_KEY_PATH`. |
+| `KALSHI_PERPS_PRIVATE_KEY_PATH` | unset | Path to a PEM file. |
+| `KALSHI_PERPS_PRIVATE_KEY_PASSPHRASE` | unset | Passphrase for an encrypted perps PEM. A `password=` kwarg to the client overrides it. |
+| `KALSHI_PERPS_DEMO` | `false` | `true` (case-insensitive) selects the demo REST + WS endpoints. |
+| `KALSHI_PERPS_API_BASE_URL` | unset | Overrides the perps REST `base_url`. |
+| `KALSHI_PERPS_WS_BASE_URL` | unset | Overrides the perps `ws_base_url`, so a REST override doesn't leave the WS feed on production. |
+| `KALSHI_PERPS_ALLOW_UNKNOWN_HOST` | unset | Set to `1` to allow non-Kalshi perps hosts (mock servers / proxies). |
+
+## Klear (SCM) environment variables
+
+`KlearClient` / `AsyncKlearClient` use cookie-session auth (no RSA keys), so they
+read only environment selectors:
+
+| Variable | Default | Effect |
+|---|---|---|
+| `KALSHI_KLEAR_DEMO` | `false` | `true` (case-insensitive) selects the demo Klear endpoint. |
+| `KALSHI_KLEAR_API_BASE_URL` | unset | Overrides the Klear `base_url`. |
+| `KALSHI_KLEAR_ALLOW_UNKNOWN_HOST` | unset | Set to `1` to allow non-Kalshi Klear hosts. |
diff --git a/docs/perps.md b/docs/perps.md
index 4350d77..43924a3 100644
--- a/docs/perps.md
+++ b/docs/perps.md
@@ -42,7 +42,9 @@ never collide with the prediction-API `KALSHI_*` vars:
 |---|---|
 | `KALSHI_PERPS_KEY_ID` | perps API key id (omit for an unauthenticated client) |
 | `KALSHI_PERPS_PRIVATE_KEY` / `KALSHI_PERPS_PRIVATE_KEY_PATH` | RSA private key (PEM string or file) |
-| `KALSHI_PERPS_API_BASE_URL` | optional base-URL override |
+| `KALSHI_PERPS_PRIVATE_KEY_PASSPHRASE` | optional passphrase for an encrypted PEM (a `password=` kwarg overrides it) |
+| `KALSHI_PERPS_API_BASE_URL` | optional REST base-URL override |
+| `KALSHI_PERPS_WS_BASE_URL` | optional WS base-URL override (keeps the WS feed off production when overriding REST) |
 | `KALSHI_PERPS_DEMO` | `"true"` routes to the demo exchange |
 
 ```python
diff --git a/docs/resources/markets.md b/docs/resources/markets.md
index 8debcc0..3f22a86 100644
--- a/docs/resources/markets.md
+++ b/docs/resources/markets.md
@@ -43,10 +43,9 @@ for market in page:
 for the wire (this endpoint uses comma-join form, **not** the explode form
 used by `bulk_orderbooks`).
 
-All the `*_ts` filters (`min_close_ts`, `max_close_ts`, `min_open_ts`,
-`max_open_ts`, `min_settle_ts`, `max_settle_ts`, `min_volume_24h`,
-`min_total_volume`, `min_total_open_interest`) are Unix-second ints. Pair them
-with `min_open_ts`/`max_open_ts` etc. as needed.
+All seven `*_ts` filters (`min_created_ts`, `max_created_ts`, `min_updated_ts`,
+`min_close_ts`, `max_close_ts`, `min_settled_ts`, `max_settled_ts`) are
+Unix-second ints.
 
 `list_all(...)` walks cursors and returns an iterator — see
 [Pagination](../pagination.md).
@@ -94,7 +93,7 @@ candles = client.markets.candlesticks(
     period_interval=60,            # seconds: 60, 3600, 86400
     include_latest_before_start=True,
 )
-for c in candles.candlesticks:
+for c in candles:                      # list[Candlestick]
     print(c.end_period_ts, c.yes_bid)
 ```
 
@@ -106,7 +105,6 @@ for c in candles.candlesticks:
 ```python
 batches = client.markets.bulk_candlesticks(
     market_tickers=["KXPRES-24-DJT", "KXPRES-24-KH"],   # 1–100 tickers
-    series_ticker="KXPRES",                              # optional shard hint
     start_ts=1_700_000_000,
     end_ts=1_700_100_000,
     period_interval=3600,
diff --git a/docs/resources/multivariate.md b/docs/resources/multivariate.md
index 39ae865..8968273 100644
--- a/docs/resources/multivariate.md
+++ b/docs/resources/multivariate.md
@@ -8,6 +8,13 @@ with a list of leg selections mints a derived YES/NO contract.
 Public listing, auth-required minting. Attribute name on the client:
 `multivariate_collections`.
 
+!!! warning "Deprecated methods"
+    `create_market()`, `lookup_tickers()`, and `lookup_history()` are
+    deprecated — "This endpoint predates RFQs and should not be used for new
+    integrations." Calling them emits a `DeprecationWarning`. Use the
+    [Communications (RFQ/Quote)](communications.md) surface instead. `list()` /
+    `list_all()` / `get()` remain supported.
+
 ## Quick reference
 
 | Method | Endpoint | Auth |
@@ -15,7 +22,7 @@ Public listing, auth-required minting. Attribute name on the client:
 | `list(...)` / `list_all(...)` | `GET /multivariate_event_collections` | no |
 | `get(collection_ticker)` | `GET /multivariate_event_collections/{ticker}` | no |
 | `create_market(collection_ticker, *, selected_markets, with_market_payload=False)` | `POST /multivariate_event_collections/{ticker}` | yes |
-| `lookup_tickers(collection_ticker, *, selected_markets)` | `PUT /multivariate_event_collections/{ticker}/lookup` | no |
+| `lookup_tickers(collection_ticker, *, selected_markets)` | `PUT /multivariate_event_collections/{ticker}/lookup` | yes |
 | `lookup_history(collection_ticker, *, lookback_seconds)` | `GET /multivariate_event_collections/{ticker}/lookup` (with `lookback_seconds` query param) | no |
 
 ## List collections
diff --git a/docs/resources/series.md b/docs/resources/series.md
index 7d879a8..cd809eb 100644
--- a/docs/resources/series.md
+++ b/docs/resources/series.md
@@ -72,7 +72,7 @@ hist = client.series.forecast_percentile_history(
     end_ts=1_700_100_000,
     period_interval=86400,
 )
-for point in hist.forecast_percentiles:
+for point in hist:                   # list[ForecastPercentilesPoint]
     print(point.ts, point.percentile, point.value)
 ```
 
diff --git a/docs/resources/subaccounts.md b/docs/resources/subaccounts.md
index e313ab4..1215aa8 100644
--- a/docs/resources/subaccounts.md
+++ b/docs/resources/subaccounts.md
@@ -50,12 +50,12 @@ below).
 
 ```python
 resp = client.subaccounts.list_balances()
-for bal in resp.balances:
-    print(bal.subaccount_number, bal.balance, bal.portfolio_value, bal.updated_ts)
+for bal in resp.subaccount_balances:
+    print(bal.subaccount_number, bal.balance, bal.updated_ts)
 ```
 
-`bal.balance` and `bal.portfolio_value` are **integer cents**.
-`bal.updated_ts` is Unix seconds (not ISO datetime).
+`bal.balance` is a `DollarDecimal` (dollars). `bal.updated_ts` is Unix seconds
+(not ISO datetime).
 
 ## List transfers
 
diff --git a/docs/retries.md b/docs/retries.md
index b4e3c42..a4516b2 100644
--- a/docs/retries.md
+++ b/docs/retries.md
@@ -7,8 +7,8 @@ duplicate orders happen.
 
 | Verb | Retries on |
 |---|---|
-| `GET`, `HEAD`, `OPTIONS` | `429`, `500`, `502`, `503`, `504` |
-| `POST`, `DELETE`, `PUT`, `PATCH` | **never** |
+| `GET`, `HEAD`, `OPTIONS` | `408`, `425`, `429`, `500`, `502`, `503`, `504`, `520`, `521`, `522`, `523`, `524` |
+| `POST`, `PUT`, `DELETE` | **never** |
 
 POST/DELETE/PUT are write paths. Retrying them risks duplicate orders,
 duplicate cancels, duplicate transfers — even with `client_order_id`, you
diff --git a/docs/websockets.md b/docs/websockets.md
index ad807b7..f92b87b 100644
--- a/docs/websockets.md
+++ b/docs/websockets.md
@@ -50,8 +50,9 @@ for `user_order`, `market_position`, and the `multivariate_lookup` /
 `multivariate` mismatch.
 
 !!! warning "Migration (v3.1.0): `event_fee_update` rides `market_lifecycle_v2`"
-    Since v3.20.0 the `market_lifecycle_v2` channel also emits
-    `event_fee_update` frames (event-level fee override set or cleared), so
+    Since the v3.20.0 spec sync (SDK v3.1.0) the `market_lifecycle_v2` channel
+    also emits `event_fee_update` frames (event-level fee override set or
+    cleared), so
     `subscribe_market_lifecycle()` now yields
     `MarketLifecycleMessage | EventFeeUpdateMessage`. **Existing consumers must
     discriminate on `.type` before touching payload fields** — an
@@ -425,8 +426,8 @@ silently corrupting book state.
 
 | Strategy | Use for | Why |
 |---|---|---|
-| `DROP_OLDEST` | Read-only / latest-wins feeds: `ticker`, `trade`, `market_lifecycle`, `multivariate*` | Newest snapshot is always correct; an evicted old tick is recoverable from the next one. |
-| `ERROR` | Stateful, sequenced feeds: `orderbook_delta`, `order_group_updates`, `user_orders` | A dropped delta corrupts derived state. Surface the backpressure to the consumer rather than continuing on a corrupted book. |
+| `DROP_OLDEST` | Read-only / coalesced feeds: `ticker`, `trade`, `market_lifecycle`, `multivariate*`, `user_orders` | Newest sample is the one that matters; an evicted old frame is recoverable from the next one. |
+| `ERROR` | Stateful, sequenced feeds: `orderbook_delta`, `order_group_updates` | A dropped delta corrupts derived state (the reconstructed book / order-group tracking). Surface the backpressure to the consumer rather than continuing on corrupted state. |
 
 `ERROR` is fatal — the recv loop broadcasts sentinels and exits when it fires
 (see [Backpressure](#backpressure)). Wire `on_error=` / `on_state_change=` to
diff --git a/pyproject.toml b/pyproject.toml
index 4cfb1f9..ff89fe6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [project]
 name = "kalshi-sdk"
 version = "3.2.0"
-description = "A professional Python SDK for the Kalshi prediction markets API"
+description = "A professional Python SDK for the Kalshi prediction markets and Perps (margin) APIs"
 readme = "README.md"
 license = { text = "MIT" }
 requires-python = ">=3.12"