diff --git a/OpenActive.NET/enums/PropertyEnumeration.cs b/OpenActive.NET/enums/PropertyEnumeration.cs
index 1ebef89..09fd001 100644
--- a/OpenActive.NET/enums/PropertyEnumeration.cs
+++ b/OpenActive.NET/enums/PropertyEnumeration.cs
@@ -153,6 +153,8 @@ public enum  PropertyEnumeration
         UnitTaxSpecification,
         [EnumMember(Value = "https://openactive.io/validFromBeforeStartDate")]
         ValidFromBeforeStartDate,
+        [EnumMember(Value = "https://openactive.io/validThroughBeforeStartDate")]
+        ValidThroughBeforeStartDate,
         [EnumMember(Value = "https://openactive.io/valueOption")]
         ValueOption,
         [EnumMember(Value = "https://schema.org/about")]
@@ -309,6 +311,8 @@ public enum  PropertyEnumeration
         Antagonist,
         [EnumMember(Value = "https://schema.org/appearance")]
         Appearance,
+        [EnumMember(Value = "https://schema.org/applicableCountry")]
+        ApplicableCountry,
         [EnumMember(Value = "https://schema.org/applicableLocation")]
         ApplicableLocation,
         [EnumMember(Value = "https://schema.org/applicantLocationRequirements")]
@@ -1231,8 +1235,14 @@ public enum  PropertyEnumeration
         FundedItem,
         [EnumMember(Value = "https://schema.org/funder")]
         Funder,
+        [EnumMember(Value = "https://schema.org/funding")]
+        Funding,
         [EnumMember(Value = "https://schema.org/game")]
         Game,
+        [EnumMember(Value = "https://schema.org/gameAvailabilityType")]
+        GameAvailabilityType,
+        [EnumMember(Value = "https://schema.org/gameEdition")]
+        GameEdition,
         [EnumMember(Value = "https://schema.org/gameItem")]
         GameItem,
         [EnumMember(Value = "https://schema.org/gameLocation")]
@@ -1309,6 +1319,8 @@ public enum  PropertyEnumeration
         GuidelineSubject,
         [EnumMember(Value = "https://schema.org/handlingTime")]
         HandlingTime,
+        [EnumMember(Value = "https://schema.org/hasAdultConsideration")]
+        HasAdultConsideration,
         [EnumMember(Value = "https://schema.org/hasBioChemEntityPart")]
         HasBioChemEntityPart,
         [EnumMember(Value = "https://schema.org/hasBioPolymerSequence")]
@@ -1571,6 +1583,8 @@ public enum  PropertyEnumeration
         Isbn,
         [EnumMember(Value = "https://schema.org/isicV4")]
         IsicV4,
+        [EnumMember(Value = "https://schema.org/iso6523Code")]
+        Iso6523Code,
         [EnumMember(Value = "https://schema.org/isrcCode")]
         IsrcCode,
         [EnumMember(Value = "https://schema.org/issn")]
diff --git a/OpenActive.NET/models/Entitlement.cs b/OpenActive.NET/models/Entitlement.cs
index bb2504e..dd8d8e5 100644
--- a/OpenActive.NET/models/Entitlement.cs
+++ b/OpenActive.NET/models/Entitlement.cs
@@ -75,14 +75,14 @@ public override string ToString()
         /// The date the entitlement becomes valid. This must be in the past.
         /// </summary>
         [DataMember(Name = "validFrom", EmitDefaultValue = false, Order = 9)]
-        [JsonConverter(typeof(OpenActiveDateTimeOffsetToISO8601DateTimeValuesConverter))]
-        public new virtual DateTimeOffset? ValidFrom { get; set; }
+        [JsonConverter(typeof(OpenActiveDateTimeValuesConverter))]
+        public new virtual DateValue ValidFrom { get; set; }
 
         /// <summary>
         /// The date that the entitlement is no longer valid. This must be in the future.
         /// </summary>
         [DataMember(Name = "validUntil", EmitDefaultValue = false, Order = 10)]
-        [JsonConverter(typeof(OpenActiveDateTimeOffsetToISO8601DateTimeValuesConverter))]
-        public new virtual DateTimeOffset? ValidUntil { get; set; }
+        [JsonConverter(typeof(OpenActiveDateTimeValuesConverter))]
+        public new virtual DateValue ValidUntil { get; set; }
     }
 }
diff --git a/OpenActive.NET/models/Event.cs b/OpenActive.NET/models/Event.cs
index 999d824..32ac79d 100644
--- a/OpenActive.NET/models/Event.cs
+++ b/OpenActive.NET/models/Event.cs
@@ -749,13 +749,23 @@ public override string ToString()
         [JsonConverter(typeof(ValuesConverter))]
         public virtual bool? IsFirstSessionAccessibleForFree { get; set; }
 
+        /// <summary>
+        /// [NOTICE: This is a beta property, and is highly likely to change in future versions of this library.]
+        /// A property that indicates whether the event contains a high frequency of occurrences. Intended as a UI hint for interfaces that represent these occurrences.
+        /// 
+        /// If you are using this property, please join the discussion at proposal [#301](https://github.com/openactive/modelling-opportunity-data/issues/301).
+        /// </summary>
+        [DataMember(Name = "beta:isScheduledAsSlots", EmitDefaultValue = false, Order = 1061)]
+        [JsonConverter(typeof(ValuesConverter))]
+        public virtual bool? IsScheduledAsSlots { get; set; }
+
         /// <summary>
         /// [NOTICE: This is a beta property, and is highly likely to change in future versions of this library.]
         /// Contact details for an Event, where they are not specifically related to the `organizer` or `leader`.
         /// 
         /// If you are using this property, please join the discussion at proposal [#113](https://github.com/openactive/modelling-opportunity-data/issues/113).
         /// </summary>
-        [DataMember(Name = "beta:contactPoint", EmitDefaultValue = false, Order = 1061)]
+        [DataMember(Name = "beta:contactPoint", EmitDefaultValue = false, Order = 1062)]
         [JsonConverter(typeof(ValuesConverter))]
         public virtual Schema.NET.ContactPoint ContactPoint { get; set; }
 
@@ -765,14 +775,14 @@ public override string ToString()
         /// 
         /// If you are using this property, please join the discussion at proposal [#161](https://github.com/openactive/modelling-opportunity-data/issues/161).
         /// </summary>
-        [DataMember(Name = "beta:bookingChannel", EmitDefaultValue = false, Order = 1062)]
+        [DataMember(Name = "beta:bookingChannel", EmitDefaultValue = false, Order = 1063)]
         [JsonConverter(typeof(ValuesConverter))]
         public virtual List<BookingChannelType> BookingChannel { get; set; }
 
         /// <summary>
         /// [NOTICE: This property is part of the Open Booking API Test Interface, and MUST NOT be used in production.]
         /// </summary>
-        [DataMember(Name = "test:testOpenBookingFlow", EmitDefaultValue = false, Order = 1063)]
+        [DataMember(Name = "test:testOpenBookingFlow", EmitDefaultValue = false, Order = 1064)]
         [JsonConverter(typeof(ValuesConverter))]
         public virtual TestOpenBookingFlowEnumeration? TestOpenBookingFlow { get; set; }
 
@@ -780,7 +790,7 @@ public override string ToString()
         /// [NOTICE: This property is part of the Open Booking API Test Interface, and MUST NOT be used in production.]
         /// The opportunity criteria which the Event conforms to.
         /// </summary>
-        [DataMember(Name = "test:testOpportunityCriteria", EmitDefaultValue = false, Order = 1064)]
+        [DataMember(Name = "test:testOpportunityCriteria", EmitDefaultValue = false, Order = 1065)]
         [JsonConverter(typeof(ValuesConverter))]
         public virtual TestOpportunityCriteriaEnumeration? TestOpportunityCriteria { get; set; }
     }
diff --git a/OpenActive.NET/models/FacilityUse.cs b/OpenActive.NET/models/FacilityUse.cs
index 2d13401..459db6b 100644
--- a/OpenActive.NET/models/FacilityUse.cs
+++ b/OpenActive.NET/models/FacilityUse.cs
@@ -356,7 +356,7 @@ public override string ToString()
         /// </example>
         [DataMember(Name = "provider", EmitDefaultValue = false, Order = 25)]
         [JsonConverter(typeof(ValuesConverter))]
-        public new virtual Organization Provider { get; set; }
+        public virtual Organization Provider { get; set; }
 
         /// <summary>
         /// A URL to a web page (or section of a page) that describes the facility use.
@@ -420,13 +420,23 @@ public override string ToString()
         [JsonConverter(typeof(OpenActiveTimeSpanToISO8601DurationValuesConverter))]
         public virtual TimeSpan? OfferValidityPeriod { get; set; }
 
+        /// <summary>
+        /// [NOTICE: This is a beta property, and is highly likely to change in future versions of this library.]
+        /// Attributes associated with the facility in use. See https://openactive.io/facility-attribute-list/.
+        /// 
+        /// If you are using this property, please join the discussion at proposal [#1](https://github.com/openactive/facility-types/issues/1).
+        /// </summary>
+        [DataMember(Name = "beta:facilityAttribute", EmitDefaultValue = false, Order = 1032)]
+        [JsonConverter(typeof(ValuesConverter))]
+        public virtual List<Concept> FacilityAttribute { get; set; }
+
         /// <summary>
         /// [NOTICE: This is a beta property, and is highly likely to change in future versions of this library.]
         /// Whether the event or facility is indoor or outdoor.
         /// 
         /// If you are using this property, please join the discussion at proposal [#1](https://github.com/openactive/facility-types/issues/1).
         /// </summary>
-        [DataMember(Name = "beta:facilitySetting", EmitDefaultValue = false, Order = 1032)]
+        [DataMember(Name = "beta:facilitySetting", EmitDefaultValue = false, Order = 1033)]
         [JsonConverter(typeof(ValuesConverter))]
         public virtual FacilitySettingType? FacilitySetting { get; set; }
 
@@ -436,7 +446,7 @@ public override string ToString()
         /// 
         /// If you are using this property, please join the discussion at proposal [#161](https://github.com/openactive/modelling-opportunity-data/issues/161).
         /// </summary>
-        [DataMember(Name = "beta:bookingChannel", EmitDefaultValue = false, Order = 1033)]
+        [DataMember(Name = "beta:bookingChannel", EmitDefaultValue = false, Order = 1034)]
         [JsonConverter(typeof(ValuesConverter))]
         public virtual List<BookingChannelType> BookingChannel { get; set; }
     }
diff --git a/OpenActive.NET/models/Offer.cs b/OpenActive.NET/models/Offer.cs
index e31574d..2b7ddc8 100644
--- a/OpenActive.NET/models/Offer.cs
+++ b/OpenActive.NET/models/Offer.cs
@@ -225,19 +225,26 @@ public override string ToString()
         public new virtual Uri Url { get; set; }
 
         /// <summary>
-        /// The duration before the startDate for which this Offer is valid, given in ISO 8601 format. This is a relatively-defined equivalent of schema:validFrom, to allow for Offer inheritance.
+        /// The duration before the `startDate` for which this `Offer` is valid, given in ISO 8601 format. This is a relatively-defined equivalent of `schema:validFrom`, to allow for `Offer` inheritance.
         /// </summary>
         [DataMember(Name = "validFromBeforeStartDate", EmitDefaultValue = false, Order = 22)]
         [JsonConverter(typeof(OpenActiveTimeSpanToISO8601DurationValuesConverter))]
         public virtual TimeSpan? ValidFromBeforeStartDate { get; set; }
 
+        /// <summary>
+        /// The duration before the `startDate` after which the `Offer` is no longer valid, given in ISO 8601 format. This is a relatively-defined equivalent of `schema:validThrough`, to allow for `Offer` inheritance.
+        /// </summary>
+        [DataMember(Name = "validThroughBeforeStartDate", EmitDefaultValue = false, Order = 23)]
+        [JsonConverter(typeof(OpenActiveTimeSpanToISO8601DurationValuesConverter))]
+        public virtual TimeSpan? ValidThroughBeforeStartDate { get; set; }
+
         /// <summary>
         /// [NOTICE: This is a beta property, and is highly likely to change in future versions of this library.]
         /// Number of people the reservation should accommodate.
         /// 
         /// If you are using this property, please join the discussion at proposal [#250](https://github.com/openactive/modelling-opportunity-data/issues/250).
         /// </summary>
-        [DataMember(Name = "beta:partySize", EmitDefaultValue = false, Order = 1023)]
+        [DataMember(Name = "beta:partySize", EmitDefaultValue = false, Order = 1024)]
         [JsonConverter(typeof(ValuesConverter))]
         public virtual QuantitativeValue PartySize { get; set; }
     }
diff --git a/OpenActive.NET/models/OfferOverride.cs b/OpenActive.NET/models/OfferOverride.cs
index a950422..20d0612 100644
--- a/OpenActive.NET/models/OfferOverride.cs
+++ b/OpenActive.NET/models/OfferOverride.cs
@@ -67,5 +67,8 @@ public override string ToString()
 
         [Obsolete("This property is disinherited in this type, and must not be used.", true)]
         public override TimeSpan? ValidFromBeforeStartDate { get; set; }
+
+        [Obsolete("This property is disinherited in this type, and must not be used.", true)]
+        public override TimeSpan? ValidThroughBeforeStartDate { get; set; }
     }
 }
diff --git a/OpenActive.NET/models/Place.cs b/OpenActive.NET/models/Place.cs
index 6bf0df8..a1e6f81 100644
--- a/OpenActive.NET/models/Place.cs
+++ b/OpenActive.NET/models/Place.cs
@@ -157,7 +157,7 @@ public override string ToString()
         /// </example>
         [DataMember(Name = "containedInPlace", EmitDefaultValue = false, Order = 12)]
         [JsonConverter(typeof(ValuesConverter))]
-        public new virtual Place ContainedInPlace { get; set; }
+        public new virtual ReferenceValue<Place> ContainedInPlace { get; set; }
 
         /// <summary>
         /// Places that exist within this place
@@ -256,5 +256,25 @@ public override string ToString()
         [DataMember(Name = "beta:formattedDescription", EmitDefaultValue = false, Order = 1020)]
         [JsonConverter(typeof(ValuesConverter))]
         public virtual string FormattedDescription { get; set; }
+
+        /// <summary>
+        /// [NOTICE: This is a beta property, and is highly likely to change in future versions of this library.]
+        /// A related video object.
+        /// 
+        /// If you are using this property, please join the discussion at proposal [#88](https://github.com/openactive/modelling-opportunity-data/issues/88).
+        /// </summary>
+        [DataMember(Name = "beta:video", EmitDefaultValue = false, Order = 1021)]
+        [JsonConverter(typeof(ValuesConverter))]
+        public virtual List<VideoObject> Video { get; set; }
+
+        /// <summary>
+        /// [NOTICE: This is a beta property, and is highly likely to change in future versions of this library.]
+        /// The type of Place. See https://openactive.io/place-types/.
+        /// 
+        /// If you are using this property, please join the discussion at proposal [#1](https://github.com/openactive/place-types/issues/1).
+        /// </summary>
+        [DataMember(Name = "beta:placeType", EmitDefaultValue = false, Order = 1022)]
+        [JsonConverter(typeof(ValuesConverter))]
+        public virtual List<Concept> PlaceType { get; set; }
     }
 }
diff --git a/OpenActive.NET/models/Slot.cs b/OpenActive.NET/models/Slot.cs
index 1a67765..c04f38b 100644
--- a/OpenActive.NET/models/Slot.cs
+++ b/OpenActive.NET/models/Slot.cs
@@ -229,7 +229,16 @@ public override string ToString()
         [Obsolete("This property is disinherited in this type, and must not be used.", true)]
         public override Event SuperEvent { get; set; }
 
-        [Obsolete("This property is disinherited in this type, and must not be used.", true)]
+        /// <summary>
+        /// A URL to a web page (or section of a page) that describes the specific Slot.
+        /// </summary>
+        /// <example>
+        /// <code>
+        /// "url": "https://example.com/slots/1234"
+        /// </code>
+        /// </example>
+        [DataMember(Name = "url", EmitDefaultValue = false, Order = 42)]
+        [JsonConverter(typeof(ValuesConverter))]
         public override Uri Url { get; set; }
 
         /// <summary>