diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0fb2b9e..7552c01 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,20 @@
 # Changelog
 
+## [v1.4.1](https://github.com/adewg/ICAR/tree/HEAD)
+
+[Full Changelog](https://github.com/adewg/ICAR/compare/v1.4.0...HEAD)
+
+**Closed issues:**
+
+- Update readme for 1.4 [\#478](https://github.com/adewg/ICAR/issues/478)
+- Sorting command with multiple sorting sites [\#477](https://github.com/adewg/ICAR/issues/477)
+- Review departure reason list [\#455](https://github.com/adewg/ICAR/issues/455)
+- expand departure reasons [\#454](https://github.com/adewg/ICAR/issues/454)
+
+**Merged pull requests:**
+
+- Update README.md for 1.4 [\#480](https://github.com/adewg/ICAR/pull/480) ([cookeac](https://github.com/cookeac))
+
 ## [v1.4.0](https://github.com/adewg/ICAR/tree/v1.4.0) (2024-05-21)
 
 [Full Changelog](https://github.com/adewg/ICAR/compare/v1.3.2...v1.4.0)
@@ -14,6 +29,7 @@
 - Sorting of animals [\#456](https://github.com/adewg/ICAR/issues/456)
 - Remove "enum" attribute from deprecated "@type" property of icarResourceType [\#451](https://github.com/adewg/ICAR/issues/451)
 - Add support for milking shifts or batch milking to icarMilkingVisitEventResource [\#450](https://github.com/adewg/ICAR/issues/450)
+- Improvements to documentation of icarMilkingVisitEventResource [\#444](https://github.com/adewg/ICAR/issues/444)
 - Remaining items to be addressed for ADE 1.4 release [\#443](https://github.com/adewg/ICAR/issues/443)
 - Update icarResourceTypeCatalog.md [\#440](https://github.com/adewg/ICAR/issues/440)
 - icarDeviceResource is not correctly structured [\#439](https://github.com/adewg/ICAR/issues/439)
@@ -28,6 +44,7 @@
 - service-sires API [\#402](https://github.com/adewg/ICAR/issues/402)
 - Device Attentions message [\#393](https://github.com/adewg/ICAR/issues/393)
 - Define metrics for carcass observations [\#386](https://github.com/adewg/ICAR/issues/386)
+- Animal and Group Position events [\#383](https://github.com/adewg/ICAR/issues/383)
 - Group feed utilisation/allowance event [\#382](https://github.com/adewg/ICAR/issues/382)
 - Add Inventory to MedicineRessource?  [\#369](https://github.com/adewg/ICAR/issues/369)
 - Request to make Meta required on IcarEventCoreResource and SourceId on Meta required [\#366](https://github.com/adewg/ICAR/issues/366)
@@ -40,16 +57,67 @@
 - Heat recording - standardise vendor-specific fields and make them extensible [\#354](https://github.com/adewg/ICAR/issues/354)
 - Possible agenda for webinar January 2023 [\#343](https://github.com/adewg/ICAR/issues/343)
 - Provide predictions for expected milk yield [\#285](https://github.com/adewg/ICAR/issues/285)
+- Moving to open api spec 3.1 [\#239](https://github.com/adewg/ICAR/issues/239)
 - Define carcase data feedback event and collection [\#155](https://github.com/adewg/ICAR/issues/155)
 
 **Merged pull requests:**
 
+- Merge changes from Develop branch into ADE-1 for 1.4.0 release [\#475](https://github.com/adewg/ICAR/pull/475) ([cookeac](https://github.com/cookeac))
+- Update CHANGELOG for 1.4.0 [\#474](https://github.com/adewg/ICAR/pull/474) ([cookeac](https://github.com/cookeac))
+- Finished description improvements in icarMilkingVisitEventResource [\#473](https://github.com/adewg/ICAR/pull/473) ([cookeac](https://github.com/cookeac))
+- Fix linting errors [\#472](https://github.com/adewg/ICAR/pull/472) ([cookeac](https://github.com/cookeac))
+- \#458 Add fedding costs and deliveried weight to consumed feed types [\#471](https://github.com/adewg/ICAR/pull/471) ([ErikUniformAgri](https://github.com/ErikUniformAgri))
+- Addition of attaention catgories and causes \#462 [\#470](https://github.com/adewg/ICAR/pull/470) ([erwinspeybroeck](https://github.com/erwinspeybroeck))
+- get to the develop branch [\#469](https://github.com/adewg/ICAR/pull/469) ([erwinspeybroeck](https://github.com/erwinspeybroeck))
+- Add milkingShiftNumber and milkingShiftLocalDate [\#468](https://github.com/adewg/ICAR/pull/468) ([cookeac](https://github.com/cookeac))
+- Improve description for icarGestationResource [\#464](https://github.com/adewg/ICAR/pull/464) ([cookeac](https://github.com/cookeac))
+- Remove enum from @type [\#460](https://github.com/adewg/ICAR/pull/460) ([cookeac](https://github.com/cookeac))
+- Sorting of animals [\#457](https://github.com/adewg/ICAR/pull/457) ([AndreasSchultzGEA](https://github.com/AndreasSchultzGEA))
+- Remove use of $comment which breaks linting [\#453](https://github.com/adewg/ICAR/pull/453) ([cookeac](https://github.com/cookeac))
+- Add enum for milk characteristics type [\#452](https://github.com/adewg/ICAR/pull/452) ([cookeac](https://github.com/cookeac))
+- Update Resource Type Catalog for ADE 1.4 [\#449](https://github.com/adewg/ICAR/pull/449) ([cookeac](https://github.com/cookeac))
+- Merge identifier scheme updates from ADE-1 [\#448](https://github.com/adewg/ICAR/pull/448) ([cookeac](https://github.com/cookeac))
 - Add AU/NZ/UK medicine registers [\#447](https://github.com/adewg/ICAR/pull/447) ([cookeac](https://github.com/cookeac))
+- Make icarDeviceResource an icarResource [\#442](https://github.com/adewg/ICAR/pull/442) ([cookeac](https://github.com/cookeac))
+- Update to OpenAPI version 3.1 [\#438](https://github.com/adewg/ICAR/pull/438) ([cookeac](https://github.com/cookeac))
+- Upgrade from OpenAPI 3.0 to 3.1 [\#437](https://github.com/adewg/ICAR/pull/437) ([cookeac](https://github.com/cookeac))
+- Additional data for IcarMovementArrivalEventResource [\#431](https://github.com/adewg/ICAR/pull/431) ([AndreasSchultzGEA](https://github.com/AndreasSchultzGEA))
+- Define position observations [\#430](https://github.com/adewg/ICAR/pull/430) ([cookeac](https://github.com/cookeac))
+- Update descriptions re meta and sourceId [\#429](https://github.com/adewg/ICAR/pull/429) ([cookeac](https://github.com/cookeac))
+- Device registration and manufacturer information [\#428](https://github.com/adewg/ICAR/pull/428) ([cookeac](https://github.com/cookeac))
+- Add resourceType column to resourceTypeCatalog.md [\#427](https://github.com/adewg/ICAR/pull/427) ([cookeac](https://github.com/cookeac))
+- Add a comma to fix error in icarAnimalCoreResource [\#424](https://github.com/adewg/ICAR/pull/424) ([cookeac](https://github.com/cookeac))
+- fix: value added to icarInventoryTransactionKindType [\#423](https://github.com/adewg/ICAR/pull/423) ([donwilson-rezare](https://github.com/donwilson-rezare))
+- Descriptions added or modified [\#420](https://github.com/adewg/ICAR/pull/420) ([donwilson-rezare](https://github.com/donwilson-rezare))
+- Update icarConsignmentType.json [\#417](https://github.com/adewg/ICAR/pull/417) ([donwilson-rezare](https://github.com/donwilson-rezare))
+- Update icarCarcassMetricType.json [\#416](https://github.com/adewg/ICAR/pull/416) ([donwilson-rezare](https://github.com/donwilson-rezare))
+- Update icarBreedFractionsType.json [\#415](https://github.com/adewg/ICAR/pull/415) ([donwilson-rezare](https://github.com/donwilson-rezare))
+- Update icarGroupMovementBirthEventResource.json [\#414](https://github.com/adewg/ICAR/pull/414) ([donwilson-rezare](https://github.com/donwilson-rezare))
+- Description for "parentage" in icarAnimalCoreResource [\#413](https://github.com/adewg/ICAR/pull/413) ([donwilson-rezare](https://github.com/donwilson-rezare))
+- Add icarAttentionEventResource issue 393 [\#407](https://github.com/adewg/ICAR/pull/407) ([cookeac](https://github.com/cookeac))
+- Update icarProductFamilyType.json [\#406](https://github.com/adewg/ICAR/pull/406) ([donwilson-rezare](https://github.com/donwilson-rezare))
+- Add service-sires API - https://github.com/adewg/ICAR/issues/402 [\#405](https://github.com/adewg/ICAR/pull/405) ([erwinspeybroeck](https://github.com/erwinspeybroeck))
+- Develop [\#404](https://github.com/adewg/ICAR/pull/404) ([erwinspeybroeck](https://github.com/erwinspeybroeck))
+- Correct typo in icarReproHeatEventResource.json [\#401](https://github.com/adewg/ICAR/pull/401) ([cookeac](https://github.com/cookeac))
+- Erwinspeybroeck [\#400](https://github.com/adewg/ICAR/pull/400) ([erwinspeybroeck](https://github.com/erwinspeybroeck))
+- rebase with Develop [\#399](https://github.com/adewg/ICAR/pull/399) ([erwinspeybroeck](https://github.com/erwinspeybroeck))
+- Changes to the icarReproHeatEvent to make it device independent [\#398](https://github.com/adewg/ICAR/pull/398) ([cvigorsICBF](https://github.com/cvigorsICBF))
+- Add icarGroupFeedingEventResource [\#396](https://github.com/adewg/ICAR/pull/396) ([cookeac](https://github.com/cookeac))
 - feat: add rearing, growing & finishing to animal set purposes enum [\#392](https://github.com/adewg/ICAR/pull/392) ([willsimmMOA](https://github.com/willsimmMOA))
+- Update documentation from ADE1 [\#389](https://github.com/adewg/ICAR/pull/389) ([cookeac](https://github.com/cookeac))
 - Add well-known identifier documentation for Australian NLIS ID and PIC [\#388](https://github.com/adewg/ICAR/pull/388) ([cookeac](https://github.com/cookeac))
+- Create icarCarcassMetricIdentifierType.md [\#387](https://github.com/adewg/ICAR/pull/387) ([cookeac](https://github.com/cookeac))
+- Inventory transaction resources [\#385](https://github.com/adewg/ICAR/pull/385) ([cookeac](https://github.com/cookeac))
+- Merge ADE1 well-known identifier doc changes back into Develop [\#384](https://github.com/adewg/ICAR/pull/384) ([cookeac](https://github.com/cookeac))
+- Implement Milking Predictions [\#381](https://github.com/adewg/ICAR/pull/381) ([erwinspeybroeck](https://github.com/erwinspeybroeck))
 - Update icarLocationIdentifierType.md [\#380](https://github.com/adewg/ICAR/pull/380) ([matheuscanalmoa](https://github.com/matheuscanalmoa))
 - Update icarAnimalIdentifierType.md [\#379](https://github.com/adewg/ICAR/pull/379) ([matheuscanalmoa](https://github.com/matheuscanalmoa))
 - Update icarBreedIdentifierType.md [\#378](https://github.com/adewg/ICAR/pull/378) ([matheuscanalmoa](https://github.com/matheuscanalmoa))
+- Animal set changes [\#376](https://github.com/adewg/ICAR/pull/376) ([AlexeyHardCode](https://github.com/AlexeyHardCode))
+- Carcass, processing lot, and carcass observations resources [\#371](https://github.com/adewg/ICAR/pull/371) ([cookeac](https://github.com/cookeac))
+- Extensions to Consignment for animals being sent to a processor [\#370](https://github.com/adewg/ICAR/pull/370) ([cookeac](https://github.com/cookeac))
+- Merge ADE 1.3.2 changes back into Develop branch [\#368](https://github.com/adewg/ICAR/pull/368) ([cookeac](https://github.com/cookeac))
+- Reapply Embryo Flushing Changes [\#351](https://github.com/adewg/ICAR/pull/351) ([cookeac](https://github.com/cookeac))
 
 ## [v1.3.2](https://github.com/adewg/ICAR/tree/v1.3.2) (2023-02-15)
 
diff --git a/resources/icarAnimalSortingCommandResource.json b/resources/icarAnimalSortingCommandResource.json
index df762de..1376211 100644
--- a/resources/icarAnimalSortingCommandResource.json
+++ b/resources/icarAnimalSortingCommandResource.json
@@ -8,7 +8,7 @@
       "type": "object",
       "required": [
         "animal",
-        "site",
+        "sites",
         "validFrom"
       ],
       "properties": {
@@ -16,9 +16,12 @@
           "$ref": "../types/icarAnimalIdentifierType.json",
           "description": "Unique animal scheme and identifier combination."
         },
-        "site": {
-          "type": "string",
-          "description": "Unique identifier in the system for this site."
+        "sites": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          },
+          "description": "Array with unique site identifiers where this animal can be sorted to."
         },
         "validFrom": {
           "$ref": "../types/icarDateTimeType.json",
diff --git a/resources/icarMovementDeathEventResource.json b/resources/icarMovementDeathEventResource.json
index d93bc2d..69f5ccc 100644
--- a/resources/icarMovementDeathEventResource.json
+++ b/resources/icarMovementDeathEventResource.json
@@ -1,5 +1,5 @@
 {
-  "description": "Event for recording animal death",
+  "description": "Event for recording animal death on farm.",
 
   "allOf": [{
       "$ref": "../resources/icarAnimalEventCoreResource.json"
@@ -35,6 +35,13 @@
         "deathMethod": {
           "$ref": "../enums/icarDeathMethodType.json",
           "description": "Defines the method of death, including an accident, natural causes, or euthanised."
+        },
+        "extendedReasons": {
+          "description": "Extended reason codes why this animal has died.",
+          "type": "array",
+          "items": {
+            "$ref": "../types/icarReasonIdentifierType.json"
+          }
         }        
       }
     }
diff --git a/resources/icarMovementDepartureEventResource.json b/resources/icarMovementDepartureEventResource.json
index 78286b7..6e9f832 100644
--- a/resources/icarMovementDepartureEventResource.json
+++ b/resources/icarMovementDepartureEventResource.json
@@ -1,5 +1,5 @@
 {
-  "description": "Event for recording animal departure",
+  "description": "Event for recording live animal departure.",
 
   "allOf": [{
       "$ref": "../resources/icarAnimalEventCoreResource.json"
@@ -19,6 +19,13 @@
         "consignment": {
           "$ref": "../types/icarConsignmentType.json",
           "description": "Identifies the consignment of the animal from the holding."
+        },
+        "extendedReasons": {
+          "description": "Extended reason codes why this animal has departed.",
+          "type": "array",
+          "items": {
+            "$ref": "../types/icarReasonIdentifierType.json"
+          }
         }
       }
     }
diff --git a/resources/icarReproDoNotBreedEventResource.json b/resources/icarReproDoNotBreedEventResource.json
index ce7fbb3..75c36ec 100644
--- a/resources/icarReproDoNotBreedEventResource.json
+++ b/resources/icarReproDoNotBreedEventResource.json
@@ -11,6 +11,13 @@
           "type": ["boolean", "null"],
           "description": "Set this attribute to true if the animal should not be bred, false if it may now be bred.",
           "default": true
+        },
+        "extendedReasons": {
+          "description": "Extended reason codes why this animal should not be bred.",
+          "type": "array",
+          "items": {
+            "$ref": "../types/icarReasonIdentifierType.json"
+          }
         }
       }
     }
diff --git a/types/icarReasonIdentifierType.json b/types/icarReasonIdentifierType.json
new file mode 100644
index 0000000..39e5bb1
--- /dev/null
+++ b/types/icarReasonIdentifierType.json
@@ -0,0 +1,7 @@
+{
+  "description": "Extended reason identifier based on a scheme and ID.",
+
+  "allOf": [{
+    "$ref": "../types/icarIdentifierType.json"
+  }]
+}
\ No newline at end of file
diff --git a/well-known/icarReasonIdentifierType.md b/well-known/icarReasonIdentifierType.md
new file mode 100644
index 0000000..6789511
--- /dev/null
+++ b/well-known/icarReasonIdentifierType.md
@@ -0,0 +1,6 @@
+# Well-known Extended Reason Identifier Schemes
+
+These schemes define country, region, or species-specific extended reason codes for departures, deaths, and do not breed events. If you represent a recording organisation or scheme operator, please edit and "Pull Request" this file to let others know about your extended reason code schemes.
+
+| Short URI | Resolvable URI | Description | Example | Code list or format specification |
+| --- | --- | --- | --- | --- |
\ No newline at end of file