diff --git a/robosystems_client/models/available_extension.py b/robosystems_client/models/available_extension.py
index 52a8358..0bb6e76 100644
--- a/robosystems_client/models/available_extension.py
+++ b/robosystems_client/models/available_extension.py
@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 from collections.abc import Mapping
-from typing import Any, TypeVar
+from typing import Any, TypeVar, cast
 
 from attrs import define as _attrs_define
 from attrs import field as _attrs_field
@@ -17,11 +17,13 @@ class AvailableExtension:
   Attributes:
       name (str):
       description (str):
+      display_name (None | str | Unset):
       enabled (bool | Unset):  Default: False.
   """
 
   name: str
   description: str
+  display_name: None | str | Unset = UNSET
   enabled: bool | Unset = False
   additional_properties: dict[str, Any] = _attrs_field(init=False, factory=dict)
 
@@ -30,6 +32,12 @@ def to_dict(self) -> dict[str, Any]:
 
     description = self.description
 
+    display_name: None | str | Unset
+    if isinstance(self.display_name, Unset):
+      display_name = UNSET
+    else:
+      display_name = self.display_name
+
     enabled = self.enabled
 
     field_dict: dict[str, Any] = {}
@@ -40,6 +48,8 @@ def to_dict(self) -> dict[str, Any]:
         "description": description,
       }
     )
+    if display_name is not UNSET:
+      field_dict["display_name"] = display_name
     if enabled is not UNSET:
       field_dict["enabled"] = enabled
 
@@ -52,11 +62,21 @@ def from_dict(cls: type[T], src_dict: Mapping[str, Any]) -> T:
 
     description = d.pop("description")
 
+    def _parse_display_name(data: object) -> None | str | Unset:
+      if data is None:
+        return data
+      if isinstance(data, Unset):
+        return data
+      return cast(None | str | Unset, data)
+
+    display_name = _parse_display_name(d.pop("display_name", UNSET))
+
     enabled = d.pop("enabled", UNSET)
 
     available_extension = cls(
       name=name,
       description=description,
+      display_name=display_name,
       enabled=enabled,
     )
 
diff --git a/robosystems_client/models/event_block_envelope.py b/robosystems_client/models/event_block_envelope.py
index 9865627..2d98967 100644
--- a/robosystems_client/models/event_block_envelope.py
+++ b/robosystems_client/models/event_block_envelope.py
@@ -35,8 +35,9 @@ class EventBlockEnvelope:
               `adjustment`, `recognition`, `other`) or support (`control`, `approval`, `reconciliation`, `inquiry`).
           status (str): Lifecycle state. One of: `captured` (raw, pre-classification), `classified` (handler ran, GL
               pending), `committed` (GL entries posted), `pending` (committed but awaiting fulfillment of an obligation),
-              `fulfilled` (obligation discharged), `voided` (canceled — terminal), `superseded` (replaced by a corrected event
-              — terminal). See `UpdateEventBlockRequest.transition_to` for the valid transition graph.
+              `fulfilled` (obligation discharged — retractable while its ledger rows are still drafts), `voided` (canceled —
+              terminal), `superseded` (replaced by a corrected event — terminal). See `UpdateEventBlockRequest.transition_to`
+              for the valid transition graph.
           occurred_at (datetime.datetime): When the event happened in the real world (UTC).
           source (str): Capture source: `manual`, `system`, `schedule`, a connected provider name (e.g. `quickbooks`), or
               a registered external source_name. Used for adapter routing.
diff --git a/robosystems_client/models/update_event_block_request.py b/robosystems_client/models/update_event_block_request.py
index 5237e07..f442ab8 100644
--- a/robosystems_client/models/update_event_block_request.py
+++ b/robosystems_client/models/update_event_block_request.py
@@ -35,8 +35,10 @@ class UpdateEventBlockRequest:
           transition_to (None | Unset | UpdateEventBlockRequestTransitionToType0): Status transition. Valid moves depend
               on current status: captured → committed | voided | superseded; classified → committed | pending | fulfilled |
               voided | superseded; committed → pending | fulfilled | voided | superseded; pending → fulfilled | voided |
-              superseded. Terminal states (fulfilled, voided, superseded) accept no further transitions. Note: classified and
-              fulfilled are usually set by handlers, not by callers, but the transition is allowed for corrections.
+              superseded; fulfilled → voided | superseded. A retraction (voided, superseded) is final and is refused from any
+              status once the event's ledger rows have posted or it has published to QuickBooks — reverse the posted entries
+              instead. Note: classified and fulfilled are usually set by handlers, not by callers, but the transition is
+              allowed for corrections.
           superseded_by_id (None | str | Unset): New event id that replaces this one. Required when
               transition_to='superseded'.
           description (None | str | Unset): Replacement free-text summary. Unset = unchanged; pass an empty string to