diff --git a/server/collections/impl/EdanCollection.ts b/server/collections/impl/EdanCollection.ts
index fec45433a..6e06aef1e 100644
--- a/server/collections/impl/EdanCollection.ts
+++ b/server/collections/impl/EdanCollection.ts
@@ -171,6 +171,9 @@ export class EdanCollection implements COL.ICollection {
     }
 
     async publish(idSystemObject: number, ePublishState: number): Promise<boolean> {
+
+        LOG.info(`EdanCollection.publish (idSystemObject: ${idSystemObject}`,LOG.LS.eDEBUG);
+
         switch (ePublishState) {
             case COMMON.ePublishedState.eNotPublished:
             case COMMON.ePublishedState.eAPIOnly:
diff --git a/server/collections/impl/PublishScene.ts b/server/collections/impl/PublishScene.ts
index c3a647e78..f2271cea9 100644
--- a/server/collections/impl/PublishScene.ts
+++ b/server/collections/impl/PublishScene.ts
@@ -76,6 +76,7 @@ export class PublishScene {
             if (resource)
                 resourceMap.set(SAC, resource);
         }
+        // LOG.info(`>>> PublishScene.computeResourceMap (scene: ${this.sceneFile} | ${H.Helpers.JSONStringify(resourceMap)})`,LOG.LS.eDEBUG);
         return resourceMap;
     }
 
@@ -86,12 +87,16 @@ export class PublishScene {
                 return false;
         }
 
-        if (!this.scene || !this.subject)
+        if (!this.scene || !this.subject) {
+            LOG.info(`PublishScene.publish cannot publish. no scene/subject. (scene: ${this.scene?.Name} | subject: ${this.subject?.Name})`,LOG.LS.eCOLL);
             return false;
+        }
 
         // stage scene
-        if (!await this.stageSceneFiles() || !this.sharedName)
+        if (!await this.stageSceneFiles() || !this.sharedName) {
+            LOG.error(`PublishScene.publish cannot stage files. (scene: ${this.scene?.Name} | sharedName: ${this.sharedName})`,LOG.LS.eCOLL);
             return false;
+        }
 
         // create EDAN 3D Package
         let edanRecord: COL.EdanRecord | null = await ICol.createEdan3DPackage(this.sharedName, this.sceneFile);
@@ -356,10 +361,13 @@ export class PublishScene {
             return false;
         }
 
+        LOG.info(`PublishScene.collectAssets downloadMSXMap ${H.Helpers.JSONStringify(this.DownloadMSXMap)}`, LOG.LS.eDEBUG);
+
         // first pass through assets: detect and record the scene file (first file to match *.svx.json); lookup supporting information
         // prepare to extract and discard the path to this file, so that the scene zip is "rooted" at the svx.json
         let stageRes: H.IOResults = { success: true };
         for (const assetVersion of this.assetVersions) {
+            // grab our system object for this asset version
             const asset: DBAPI.Asset | null = await DBAPI.Asset.fetch(assetVersion.idAsset);
             LOG.info(`PublishScene.collectAssets considering assetVersion=${JSON.stringify(assetVersion, H.Helpers.saferStringify)} asset=${JSON.stringify(asset, H.Helpers.saferStringify)}`, LOG.LS.eCOLL);
             if (!asset) {
@@ -368,6 +376,9 @@ export class PublishScene {
             }
 
             // determine if assetVersion is an attachment by examining metadata
+            // NOTE: isAttachment metadata is set in computeResourceMap to label an asset as a 'resource' (i.e. downloadable)
+            // however, usdz/draco files have dual use and are resources, but also connected to a voyager scene. below is a special
+            // case for this situation until downloadable is decoupled from Usage.
             let isAttachment: boolean = false;
             const SOAssetVersion: DBAPI.SystemObject | null = await assetVersion.fetchSystemObject();
             if (!SOAssetVersion) {
@@ -383,20 +394,34 @@ export class PublishScene {
                     }
                 }
             } else
-                LOG.error(`PublishScene.collectAssets unable to compute metadata for ${JSON.stringify(assetVersion, H.Helpers.saferStringify)}`, LOG.LS.eCOLL);
+                LOG.error(`PublishScene.collectAssets unable to compute metadata for ${H.Helpers.JSONStringify(assetVersion)}`, LOG.LS.eCOLL);
 
+            // if we have our asset and a system object (always the case?) then we see if this asset is in the download/resource
+            // map...
             if (asset.idSystemObject) {
                 const modelSceneXref: DBAPI.ModelSceneXref | undefined = this.DownloadMSXMap.get(asset.idSystemObject ?? 0);
-                if (!modelSceneXref)
+                if (!modelSceneXref) {
+                    // LOG.info(`>>> PublishScene.collectAssets adding to list, no MSX (${asset.FileName}|${isAttachment}|${H.Helpers.JSONStringify(metadataSet)}`, LOG.LS.eDEBUG);
                     this.SacList.push({ idSystemObject: asset.idSystemObject, asset, assetVersion, metadataSet: isAttachment ? metadataSet : undefined });
-                else {
+                } else {
                     const model: DBAPI.Model | null = await DBAPI.Model.fetch(modelSceneXref.idModel);
                     if (!model) {
-                        LOG.error(`PublishScene.collectAssets unable to load model from xref ${JSON.stringify(modelSceneXref, H.Helpers.saferStringify)}`, LOG.LS.eCOLL);
+                        LOG.error(`PublishScene.collectAssets unable to load model from xref ${H.Helpers.JSONStringify(modelSceneXref)}`, LOG.LS.eCOLL);
                         return false;
                     }
+                    // LOG.info(`>>> PublishScene.collectAssets adding to list with MSX (${asset.FileName}|${isAttachment}|${H.Helpers.JSONStringify(modelSceneXref)}`, LOG.LS.eDEBUG);
                     this.SacList.push({ idSystemObject: asset.idSystemObject, asset, assetVersion, model, modelSceneXref, metadataSet: isAttachment ? metadataSet : undefined });
+
+                    // HACK: special case for handling dual-use assets (draco/usdz), which will be added as downloads/attachments by default.
+                    // whe check if we're dealing with that asset and add like other scene referenced assets. (i.e. we omit the MSX and metadataSet)
+                    if(modelSceneXref.Usage === 'App3D' || modelSceneXref.Usage === 'iOSApp3D') {
+                        LOG.info(`>>> PublishScene.collectAssets adding draco/usdz assets again (${asset.FileName})`,LOG.LS.eDEBUG);
+                        this.SacList.push({ idSystemObject: asset.idSystemObject, asset, assetVersion, metadataSet: undefined });
+                    }
                 }
+
+            } else {
+                LOG.info(`PublishScene.collectAssets not adding. no idSystemObject ${H.Helpers.JSONStringify(asset)}|${H.Helpers.JSONStringify(metadataSet)}`, LOG.LS.eDEBUG);
             }
 
             if (!this.sceneFile && assetVersion.FileName.toLowerCase().endsWith('.svx.json')) {
@@ -427,10 +452,16 @@ export class PublishScene {
     }
 
     private async stageSceneFiles(): Promise<boolean> {
-        if (this.SacList.length <= 0 || !this.scene)
+        if (this.SacList.length <= 0 || !this.scene) {
+            LOG.error(`PublishScene.stageSceneFiles casnnot stage files for scene (${this.sceneFile}). No scene or assets list (${this.scene}|${this.SacList.length})`,LOG.LS.eCOLL);
             return false;
+        }
         let stageRes: H.IOResults = { success: true };
 
+        // log what will be included
+        const assets: string[] = this.SacList.map(SAC => { return `${SAC.asset.FileName}(${SAC.assetVersion.Version})`; });
+        LOG.info(`PublishScene.stageSceneFiles collecting assets for scene (${this.sceneFile}): ${assets.join(',')}`,LOG.LS.eCOLL);
+
         // second pass: zip up appropriate assets; prepare to copy downloads
         const zip: ZIP.ZipStream = new ZIP.ZipStream();
         for (const SAC of this.SacList.values()) {
@@ -704,11 +735,16 @@ export class PublishScene {
             switch (SAC.modelSceneXref.Usage?.replace('Download:', '').toLowerCase()) {
                 case undefined:
                 case 'webassetglblowuncompressed':  category = 'Low resolution';    MODEL_FILE_TYPE = 'glb'; break;
-                case 'webassetglbarcompressed':     category = 'Low resolution';    MODEL_FILE_TYPE = 'glb'; DRACO_COMPRESSED = true; break;
-                case 'usdz':                        category = 'iOS AR model';      MODEL_FILE_TYPE = 'usdz'; break;
                 case 'objzipfull':                  category = 'Full resolution';   MODEL_FILE_TYPE = 'obj'; break;
                 case 'objziplow':                   category = 'Low resolution';    MODEL_FILE_TYPE = 'obj'; break;
                 case 'gltfziplow':                  category = 'Low resolution';    MODEL_FILE_TYPE = 'gltf'; break;
+
+                // HACK: special case to account for USDZ/Draco models which have dual purpose 'usage'
+                // and requires specific Usage to work. fix when decoupling 'downloadable' property.
+                case 'usdz':
+                case 'iosapp3d':                    category = 'iOS AR model';      MODEL_FILE_TYPE = 'usdz'; break;
+                case 'webassetglbarcompressed':
+                case 'app3d':                       category = 'Low resolution';    MODEL_FILE_TYPE = 'glb'; DRACO_COMPRESSED = true; break;
             }
         }
 
@@ -739,6 +775,8 @@ export class PublishScene {
                 LOG.error(`PublishScene.updatePublishedState unable to update published state for ${JSON.stringify(this.systemObjectVersion, H.Helpers.saferStringify)}`, LOG.LS.eCOLL);
                 return false;
             }
+        } else {
+            LOG.info(`PublishScene.updatePublishedState skipping.... ${H.Helpers.JSONStringify(ePublishedStateIntended)}`, LOG.LS.eDEBUG);
         }
 
         return true;
diff --git a/server/config/index.ts b/server/config/index.ts
index b8bf92ee0..6e039a3ce 100644
--- a/server/config/index.ts
+++ b/server/config/index.ts
@@ -108,7 +108,8 @@ export type ConfigType = {
 };
 
 const oneDay            = 24 * 60 * 60;
-const fifteenMinutes    =  1 * 15 * 60;
+// const fifteenMinutes    =  1 * 15 * 60;
+const threeHours        =  3 * 60 * 60;
 const debugSessionTimeout = false;
 
 export const Config: ConfigType = {
@@ -118,7 +119,7 @@ export const Config: ConfigType = {
     auth: {
         type: process.env.PACKRAT_AUTH_TYPE == 'LDAP' ? AUTH_TYPE.LDAP : AUTH_TYPE.LOCAL,
         session: {
-            maxAge: !debugSessionTimeout ? (((process.env.NODE_ENV === 'production') ? fifteenMinutes : oneDay) * 1000) : 8000, // expiration time 15 minutes, in milliseconds
+            maxAge: !debugSessionTimeout ? (((process.env.NODE_ENV === 'production') ? threeHours : oneDay) * 1000) : 8000, // expiration time 15 minutes, in milliseconds
             checkPeriod: oneDay                                                                                                 // prune expired entries every 24 hours
         },
         ldap: {
diff --git a/server/job/impl/Cook/JobCookSIGenerateDownloads.ts b/server/job/impl/Cook/JobCookSIGenerateDownloads.ts
index 3cfada57d..f90fa8606 100644
--- a/server/job/impl/Cook/JobCookSIGenerateDownloads.ts
+++ b/server/job/impl/Cook/JobCookSIGenerateDownloads.ts
@@ -56,8 +56,12 @@ export class JobCookSIGenerateDownloadsParameters {
         this.units = units ? units : undefined;
         this.metaDataFile = metaDataFile ? metaDataFile : undefined;
         this.parameterHelper = parameterHelper ? parameterHelper : undefined;
+        this.units = units ? units : undefined;
+        this.metaDataFile = metaDataFile ? metaDataFile : undefined;
+        this.parameterHelper = parameterHelper ? parameterHelper : undefined;
     }
 
+
     idScene: number | undefined;
     idModel: number | undefined;
     sourceMeshFile: string;             // required
@@ -135,7 +139,7 @@ export class JobCookSIGenerateDownloads extends JobCook<JobCookSIGenerateDownloa
             if (!parameters.metaDataFile) {
                 const metaDataFileID: number = -1;
                 parameters.metaDataFile = 'PackratMetadataFile.json';
-                const buffer: Buffer = Buffer.from(JSON.stringify(this.sceneParameterHelper.metaDataFileJSON));
+                const buffer: Buffer = Buffer.from(H.Helpers.JSONStringify(this.sceneParameterHelper.metaDataFileJSON));
 
                 const RSRs: STORE.ReadStreamResult[] = [{
                     readStream: Readable.from(buffer.toString()),
@@ -169,12 +173,14 @@ export class JobCookSIGenerateDownloads extends JobCook<JobCookSIGenerateDownloa
             return results;
         } catch (error) {
             LOG.error('JobCookSIGenerateDownloads.cleanupJob', LOG.LS.eJOB, error);
-            return { success: false, error: JSON.stringify(error) };
+            return { success: false, error: H.Helpers.JSONStringify(error) };
         }
     }
 
     private async createSystemObjects(): Promise<H.IOResults> {
 
+        // grab our Packrat Scene from the database. idScene is a parameter passed in when creating this object
+
         // grab our Packrat Scene from the database. idScene is a parameter passed in when creating this object
         const sceneSource: DBAPI.Scene | null = this.idScene ? await DBAPI.Scene.fetch(this.idScene) : null;
         if (!sceneSource)
@@ -183,7 +189,7 @@ export class JobCookSIGenerateDownloads extends JobCook<JobCookSIGenerateDownloa
         // grab the scene's SystemObject.
         const sceneSystemObject: DBAPI.SystemObject | null = await sceneSource.fetchSystemObject();
         if (!sceneSystemObject)
-            return this.logError(`createSystemObjects unable to fetch scene system object from ${JSON.stringify(sceneSource, H.Helpers.saferStringify)}`);
+            return this.logError(`createSystemObjects unable to fetch scene system object from ${H.Helpers.JSONStringify(sceneSource)}`);
 
         // grab our master model's source info
         const modelSource: DBAPI.Model | null = this.idModel ? await DBAPI.Model.fetch(this.idModel) : null;
@@ -200,7 +206,7 @@ export class JobCookSIGenerateDownloads extends JobCook<JobCookSIGenerateDownloa
             LOG.error('JobCookSIGenerateDownloadsOutput.extractDownloads failed', LOG.LS.eJOB, err);
             return { success: false, error };
         }
-        LOG.info(`JobCookSIGenerateDownloads extracted download files ${JSON.stringify(downloadMap, H.Helpers.saferStringify)}`, LOG.LS.eJOB);
+        LOG.info(`JobCookSIGenerateDownloads extracted download files ${H.Helpers.JSONStringify(downloadMap)}`, LOG.LS.eJOB);
 
         // if nothing returned then bail
         if(downloadMap.size<=0)
@@ -216,10 +222,15 @@ export class JobCookSIGenerateDownloads extends JobCook<JobCookSIGenerateDownloa
         const LS: LocalStore = await ASL.getOrCreateStore();
         const idUserCreator: number = LS?.idUser ?? 0;
 
+        // cycle through retrieved downloads, processing them
+        LOG.info(`JobCookSIGenerateDownloads processing ${downloadMap.size} generated downloads (idScene:${sceneSource.idScene})`,LOG.LS.eJOB);
         // cycle through retrieved downloads, processing them
         LOG.info(`JobCookSIGenerateDownloads processing ${downloadMap.size} generated downloads (idScene:${sceneSource.idScene})`,LOG.LS.eJOB);
         for (const [downloadType, downloadFile] of downloadMap) {
 
+            // fetch the file from WebDav shared space with Cook
+            // TODO: just check if file exists vs. actually opening stream
+
             // fetch the file from WebDav shared space with Cook
             // TODO: just check if file exists vs. actually opening stream
             LOG.info(`JobCookSIGenerateDownloads processing download ${downloadFile} of type ${downloadType}`, LOG.LS.eJOB);
@@ -264,8 +275,8 @@ export class JobCookSIGenerateDownloads extends JobCook<JobCookSIGenerateDownloa
                     }
 
                     // if we have success, extract our overrides and ModelScenXref so we can link this up to the right resources
-                    const { assetVersionOverrideMap: assetVersionOverrides, MSX } = modelProcessingResult;
-                    currentItemResult.data = { assetVersionOverrides, MSX };
+                    const { assetVersionOverrideMap: assetVersionOverrides, MSX, assetVersion } = modelProcessingResult;
+                    currentItemResult.data = { assetVersionOverrides, MSX, assetVersion };
                     modelFiles.push(currentItemResult);
                     // LOG.info(`>>> model file results: ${H.Helpers.JSONStringify(currentItemResult)}`,LOG.LS.eDEBUG);
 
@@ -350,7 +361,18 @@ export class JobCookSIGenerateDownloads extends JobCook<JobCookSIGenerateDownloa
         const SOV: DBAPI.SystemObjectVersion | null = await DBAPI.SystemObjectVersion.cloneObjectAndXrefs(sceneSystemObject.idSystemObject, null,
             'Created by Cook si-generate-downloads', assetVersionOverrideMap);
         if (!SOV)
-            return this.logError(`JobCookSIGenerateDownloads.createSystemObjects unable to clone SystemObjectVersion for ${JSON.stringify(sceneSystemObject, H.Helpers.saferStringify)}`);
+            return this.logError(`JobCookSIGenerateDownloads.createSystemObjects unable to clone SystemObjectVersion for ${H.Helpers.JSONStringify(sceneSystemObject)}`);
+
+        // cycle through models and if there's an asset version link up
+        for(const model of modelFiles) {
+            if (SOV && model.data.assetVersion) {
+                LOG.info(`>>> model (${model.fileName}) linking to scene (${sceneSource.Name}|${SOV.idSystemObject})`,LOG.LS.eDEBUG);
+                const SOVAVX: DBAPI.SystemObjectVersionAssetVersionXref | null =
+                    await DBAPI.SystemObjectVersionAssetVersionXref.addOrUpdate(SOV.idSystemObjectVersion, model.data.assetVersion.idAsset, model.data.assetVersion.idAssetVersion);
+                if (!SOVAVX)
+                    LOG.error(`JobCookSIGenerateDownloads.processSceneFile unable create/update SystemObjectVersionAssetVersionXref for ${H.Helpers.JSONStringify(SOV)}, ${H.Helpers.JSONStringify(model.data.assetVersion)}`, LOG.LS.eJOB);
+            }
+        }
 
         // Add scene asset metadata for attachments
         // LOG.info('JobCookSIGenerateDownloads.createSystemObjects calling PublishScene.extractSceneMetadata', LOG.LS.eJOB);
@@ -423,7 +445,7 @@ export class JobCookSIGenerateDownloads extends JobCook<JobCookSIGenerateDownloa
     // MODEL
     //------------------------------------------------------------------------------
     // #region model
-    private async processModelFile(sceneSource: DBAPI.Scene, modelSource: DBAPI.Model, fileItem: FileProcessItem, RSR: STORE.ReadStreamResult, idUserCreator: number ): Promise<{ assetVersionOverrideMap: Map< number, number>, MSX: DBAPI.ModelSceneXref } | null> { //Promise<H.IOResults> {
+    private async processModelFile(sceneSource: DBAPI.Scene, modelSource: DBAPI.Model, fileItem: FileProcessItem, RSR: STORE.ReadStreamResult, idUserCreator: number ): Promise<{ assetVersionOverrideMap: Map< number, number>, MSX: DBAPI.ModelSceneXref, assetVersion: DBAPI.AssetVersion|null } | null> { //Promise<H.IOResults> {
 
         // verify input
         if(!sceneSource || fileItem.fileName.length<=0 || idUserCreator < 0 || RSR == null) {
@@ -467,12 +489,12 @@ export class JobCookSIGenerateDownloads extends JobCook<JobCookSIGenerateDownloa
                         }
                     }
                 } else {
-                    const name = JSON.stringify(modelSO, H.Helpers.saferStringify);
+                    const name = H.Helpers.JSONStringify(modelSO);
                     this.logError(`unable to fetch assets for model system object ${name}`);
                     return null;
                 }
             } else {
-                const name = JSON.stringify(modelSource, H.Helpers.saferStringify);
+                const name = H.Helpers.JSONStringify(modelSource);
                 this.logError(`unable to fetch system object ${name}`);
                 return null;
             }
@@ -480,7 +502,7 @@ export class JobCookSIGenerateDownloads extends JobCook<JobCookSIGenerateDownloa
             // create Model (for each download generated)
             model = await this.createModel(fileItem.fileName, fileItem.downloadType, modelSource);
             if (!await model.create()) {
-                const name = JSON.stringify(model, H.Helpers.saferStringify);
+                const name = H.Helpers.JSONStringify(model);
                 this.logError(`JobCookSIGenerateDownloads.processModelFile unable to create model: ${name}`);
                 return null;
             }
@@ -488,14 +510,14 @@ export class JobCookSIGenerateDownloads extends JobCook<JobCookSIGenerateDownloa
             // link model as derived from the scene
             const SOX1: DBAPI.SystemObjectXref | null = await DBAPI.SystemObjectXref.wireObjectsIfNeeded(sceneSource, model);
             if (!SOX1) {
-                this.logError(`JobCookSIGenerateDownloads.processModelFile unable to wire model to scene: ${JSON.stringify(sceneSource, H.Helpers.saferStringify)} and Model ${JSON.stringify(model, H.Helpers.saferStringify)} together`);
+                this.logError(`JobCookSIGenerateDownloads.processModelFile unable to wire model to scene: ${H.Helpers.JSONStringify(sceneSource)} and Model ${H.Helpers.JSONStringify(model)} together`);
                 return null;
             }
 
             // link model as derived from the master model
             const SOX2: DBAPI.SystemObjectXref | null = await DBAPI.SystemObjectXref.wireObjectsIfNeeded(modelSource, model);
             if (!SOX2) {
-                this.logError(`JobCookSIGenerateDownloads.processModelFile unable to wire model to master model source: ${JSON.stringify(modelSource, H.Helpers.saferStringify)} and Model ${JSON.stringify(model, H.Helpers.saferStringify)} together`);
+                this.logError(`JobCookSIGenerateDownloads.processModelFile unable to wire model to master model source: ${H.Helpers.JSONStringify(modelSource)} and Model ${H.Helpers.JSONStringify(model)} together`);
                 return null;
             }
         }
@@ -601,7 +623,7 @@ export class JobCookSIGenerateDownloads extends JobCook<JobCookSIGenerateDownloa
 
         // TODO: if failed cleanup prior ingestion?
         if (MSXResult === false) {
-            this.logError(`JobCookSIGenerateDownloads.processModelFile cannot create/update ModelSceneXref ${JSON.stringify(MSX, H.Helpers.saferStringify)}`);
+            this.logError(`JobCookSIGenerateDownloads.processModelFile cannot create/update ModelSceneXref ${H.Helpers.JSONStringify(MSX)}`);
             return null;
         }
 
@@ -620,7 +642,7 @@ export class JobCookSIGenerateDownloads extends JobCook<JobCookSIGenerateDownloa
         }
         console.timeEnd(`${model.Name} inspection`);
 
-        return { assetVersionOverrideMap, MSX };
+        return { assetVersionOverrideMap, MSX, assetVersion };
     }
 
     private async createModel(Name: string, downloadType: string, modelSource: DBAPI.Model): Promise<DBAPI.Model> {
@@ -731,19 +753,8 @@ export class JobCookSIGenerateDownloads extends JobCook<JobCookSIGenerateDownloa
         if (!vScene || !vModel)
             return this.logError(`JobCookSIGenerateDownloads.processSceneFile unable to calculate vocabulary needed to ingest scene file ${svxFile}`);
 
-        // // Retrieve svx.json data
-        // let RSR: STORE.ReadStreamResult = await this.fetchFile(svxFile);
-        // if (!RSR.success || !RSR.readStream)
-        //     return this.logError(`JobCookSIGenerateDownloads.processSceneFile unable to fetch stream for scene file ${svxFile}: ${RSR.error}`);
-
-        // Parse Scene
-        // const svx: SvxReader = new SvxReader();
-        // const res: H.IOResults = await svx.loadFromStream(RSR.readStream);
-        // if (!res.success || !svx.SvxExtraction)
-        //     return this.logError(`JobCookSIGenerateDownloads.processSceneFile unable to parse scene file ${svxFile}: ${res.error}`);
-
         LOG.info(`JobCookSIGenerateDownloads.processSceneFile[${svxFile}] parse scene`, LOG.LS.eJOB);
-        LOG.info(`JobCookSIGenerateDownloads.processSceneFile fetched scene:${H.Helpers.JSONStringify(svxData)}`, LOG.LS.eJOB);
+        // LOG.info(`JobCookSIGenerateDownloads.processSceneFile fetched scene:${H.Helpers.JSONStringify(svxData)}`, LOG.LS.eJOB);
 
         // Look for an existing scene, which is a child of the master model (modelSource)
         // TODO: what if there are multiple?
@@ -821,16 +832,16 @@ export class JobCookSIGenerateDownloads extends JobCook<JobCookSIGenerateDownloa
             // wire ModelSource to Scene
             const SOX: DBAPI.SystemObjectXref | null = await DBAPI.SystemObjectXref.wireObjectsIfNeeded(modelSource, scene);
             if (!SOX)
-                return this.logError(`JobCookSIGenerateDownloads.processSceneFile unable to wire Model Source ${JSON.stringify(modelSource, H.Helpers.saferStringify)} to Scene ${JSON.stringify(scene, H.Helpers.saferStringify)}: database error`);
+                return this.logError(`JobCookSIGenerateDownloads.processSceneFile unable to wire Model Source ${H.Helpers.JSONStringify(modelSource)} to Scene ${H.Helpers.JSONStringify(scene)}: database error`);
 
             // wire ItemParent to Scene
             const OG: DBAPI.ObjectGraph = this.sceneParameterHelper.OG;
             if (OG.item && OG.item.length > 0) {
                 const SOX2: DBAPI.SystemObjectXref | null = await DBAPI.SystemObjectXref.wireObjectsIfNeeded(OG.item[0], scene);
                 if (!SOX2)
-                    return this.logError(`JobCookSIGenerateDownloads.processSceneFile unable to wire item ${JSON.stringify(OG.item[0], H.Helpers.saferStringify)} to Scene ${JSON.stringify(scene, H.Helpers.saferStringify)}: database error`);
+                    return this.logError(`JobCookSIGenerateDownloads.processSceneFile unable to wire item ${H.Helpers.JSONStringify(OG.item[0])} to Scene ${H.Helpers.JSONStringify(scene)}: database error`);
             }
-            // LOG.info(`JobCookSIGenerateDownloads.processSceneFile[${svxFile}] wire ModelSource to Scene: ${JSON.stringify(SOX, H.Helpers.stringifyMapsAndBigints)}`, LOG.LS.eJOB);
+            // LOG.info(`JobCookSIGenerateDownloads.processSceneFile[${svxFile}] wire ModelSource to Scene: ${H.Helpers.JSONStringify(SOX)}`, LOG.LS.eJOB);
         } else {
             LOG.info(`JobCookSIGenerateDownloads.processSceneFile updating existing scene (${scene.Name}|${scene.EdanUUID})`,LOG.LS.eJOB);
 
@@ -846,9 +857,9 @@ export class JobCookSIGenerateDownloads extends JobCook<JobCookSIGenerateDownloa
                         }
                     }
                 } else
-                    LOG.error(`JobCookSIGenerateDownloads.processSceneFile unable to fetch assets for scene systemobject ${JSON.stringify(sceneSO, H.Helpers.saferStringify)}`, LOG.LS.eJOB);
+                    LOG.error(`JobCookSIGenerateDownloads.processSceneFile unable to fetch assets for scene systemobject ${H.Helpers.JSONStringify(sceneSO)}`, LOG.LS.eJOB);
             } else
-                LOG.error(`JobCookSIGenerateDownloads.processSceneFile unable to fetch system object for ${JSON.stringify(scene, H.Helpers.saferStringify)}`, LOG.LS.eJOB);
+                LOG.error(`JobCookSIGenerateDownloads.processSceneFile unable to fetch system object for ${H.Helpers.JSONStringify(scene)}`, LOG.LS.eJOB);
         }
 
         // Scene owns this ingested asset of the SVX File
@@ -891,7 +902,7 @@ export class JobCookSIGenerateDownloads extends JobCook<JobCookSIGenerateDownloa
         // expose a need for this, but keep temporarily until more models are run through.
         //
         // const SOV: DBAPI.SystemObjectVersion | null | undefined = IAR.systemObjectVersion; // SystemObjectVersion for updated 'scene', with new version of scene asset
-        // LOG.info(`JobCookSIGenerateDownloads.processSceneFile[${svxFile}] wire ingestStreamOrFile: ${JSON.stringify(ISI, H.Helpers.stringifyMapsAndBigints)}`, LOG.LS.eJOB);
+        // LOG.info(`JobCookSIGenerateDownloads.processSceneFile[${svxFile}] wire ingestStreamOrFile: ${H.Helpers.JSONStringify(ISI)}`, LOG.LS.eJOB);
 
         // if an asset version was created for ingestion of this model, and if a system object version was created for scene ingestion,
         // associate the asset version with the scene's system object version (enabling a scene package to be downloaded, even if some assets
@@ -901,7 +912,7 @@ export class JobCookSIGenerateDownloads extends JobCook<JobCookSIGenerateDownloa
         //     const SOVAVX: DBAPI.SystemObjectVersionAssetVersionXref | null =
         //         await DBAPI.SystemObjectVersionAssetVersionXref.addOrUpdate(SOV.idSystemObjectVersion, assetVersion.idAsset, assetVersion.idAssetVersion);
         //     if (!SOVAVX)
-        //         LOG.error(`JobCookSIGenerateDownloads.processSceneFile unable create/update SystemObjectVersionAssetVersionXref for ${JSON.stringify(SOV, H.Helpers.saferStringify)}, ${JSON.stringify(assetVersion, H.Helpers.saferStringify)}`, LOG.LS.eJOB);
+        //         LOG.error(`JobCookSIGenerateDownloads.processSceneFile unable create/update SystemObjectVersionAssetVersionXref for ${H.Helpers.JSONStringify(SOV, H.Helpers.saferStringify)}, ${H.Helpers.JSONStringify(assetVersion, H.Helpers.saferStringify)}`, LOG.LS.eJOB);
         // }
         //#endregion
 
diff --git a/server/types/voyager/DocumentValidator.ts b/server/types/voyager/DocumentValidator.ts
index 798f54acf..8577ac1a7 100644
--- a/server/types/voyager/DocumentValidator.ts
+++ b/server/types/voyager/DocumentValidator.ts
@@ -1,4 +1,3 @@
-/* eslint-disable @typescript-eslint/brace-style */
 /**
  * 3D Foundation Project
  * Copyright 2019 Smithsonian Institution
@@ -16,13 +15,13 @@
  * limitations under the License.
  */
 
-import ajv from 'ajv';
+import AjvCore from 'ajv';
 
-import * as documentSchema from './json/document.schema.json';
-import * as commonSchema from './json/common.schema.json';
-import * as metaSchema from './json/meta.schema.json';
-import * as modelSchema from './json/model.schema.json';
-import * as setupSchema from './json/setup.schema.json';
+import documentSchema from './json/document.schema.json';
+import commonSchema from './json/common.schema.json';
+import metaSchema from './json/meta.schema.json';
+import modelSchema from './json/model.schema.json';
+import setupSchema from './json/setup.schema.json';
 
 import { IDocument } from './document';
 
@@ -31,14 +30,12 @@ import * as H from '../../utils/helpers';
 
 ////////////////////////////////////////////////////////////////////////////////
 
-export class DocumentValidator
-{
-    private _schemaValidator: ajv.Ajv;
-    private _validateDocument: ajv.ValidateFunction;
+export class DocumentValidator {
+    private _schemaValidator;
+    private _validateDocument;
 
-    constructor()
-    {
-        this._schemaValidator = new ajv({
+    constructor() {
+        this._schemaValidator = new AjvCore({
             schemas: [
                 documentSchema,
                 commonSchema,
@@ -54,14 +51,17 @@ export class DocumentValidator
         );
     }
 
-    validate(document: IDocument): H.IOResults
-    {
+    validate(document: IDocument): H.IOResults {
         if (!this._validateDocument(document)) {
             const error: string = this._schemaValidator.errorsText(this._validateDocument.errors, { separator: ', ', dataVar: 'document' });
             LOG.error(error, LOG.LS.eSYS);
             return { success: false, error };
         }
 
+        // if (ENV_DEVELOPMENT) {
+        //     console.log('JSONValidator.validateDocument - OK');
+        // }
+
         return { success: true };
     }
 }
\ No newline at end of file
diff --git a/server/types/voyager/common.ts b/server/types/voyager/common.ts
index 99e0961c4..6ece81afe 100644
--- a/server/types/voyager/common.ts
+++ b/server/types/voyager/common.ts
@@ -1,11 +1,10 @@
 /* eslint-disable quotes, @typescript-eslint/brace-style */
 /**
  * NOTE: this file is part of the definition of a Voyager scene, found in a .svx.json file.
- * This was imported from Voyager's source/client/schema on 1/27/2023. It was then modified,
+ * This was imported from Voyager's source/client/schema on 1/24/2024. It was then modified,
  * minimally, to allow for use by Packrat. Ideally, in the future, we will extract out the
  * definition of this shared file format for use by both projects.
  */
-
 /**
  * 3D Foundation Project
  * Copyright 2019 Smithsonian Institution
@@ -33,13 +32,15 @@ export type Quaternion = Vector4;
 export type ColorRGB = Vector3;
 export type ColorRGBA = Vector4;
 
-export type TLanguageType = "EN" | "ES" | "DE" | "NL" | "JA";
-export enum ELanguageType { EN, ES, DE, NL, JA }
+export type TLanguageType = "EN" | "ES" | "DE" | "NL" | "JA" | "FR" | "HAW";
+export enum ELanguageType { EN, ES, DE, NL, JA, FR, HAW }
 export enum ELanguageStringType {
     EN = 'English',
     ES = 'Spanish (Español)',
     DE = 'German (Deutsche)',
     NL = 'Dutch (Nederlands)',
     JA = 'Japanese (日本語)',
+    FR = 'French (Français)',
+    HAW = 'Hawaiian (ʻŌlelo Hawaiʻi)',
 }
 export const DEFAULT_LANGUAGE = "EN";
diff --git a/server/types/voyager/document.ts b/server/types/voyager/document.ts
index 96331fe0a..5ce89adc4 100644
--- a/server/types/voyager/document.ts
+++ b/server/types/voyager/document.ts
@@ -1,11 +1,10 @@
 /* eslint-disable quotes, @typescript-eslint/brace-style */
 /**
  * NOTE: this file is part of the definition of a Voyager scene, found in a .svx.json file.
- * This was imported from Voyager's source/client/schema on 1/27/2023. It was then modified,
+ * This was imported from Voyager's source/client/schema on 1/24/2024. It was then modified,
  * minimally, to allow for use by Packrat. Ideally, in the future, we will extract out the
  * definition of this shared file format for use by both projects.
  */
-
 /**
  * 3D Foundation Project
  * Copyright 2019 Smithsonian Institution
diff --git a/server/types/voyager/json/model.schema.json b/server/types/voyager/json/model.schema.json
index 1117d10a3..0af3f951e 100644
--- a/server/types/voyager/json/model.schema.json
+++ b/server/types/voyager/json/model.schema.json
@@ -52,6 +52,19 @@
                     "type": "string",
                     "minLength": 1
                 },
+                "imageCredit": {
+                    "description": "Credit line image in this annotation with language key.",
+                    "type": "object"
+                },
+                "imageAltText": {
+                    "description": "Alt text for image in this annotation with language key",
+                    "type": "object"
+                },
+                "audioId": {
+                    "description": "Id of an audio resource for this annotation.",
+                    "type": "string",
+                    "minLength": 1
+                },
                 "style": {
                     "type": "string"
                 },
diff --git a/server/types/voyager/meta.ts b/server/types/voyager/meta.ts
index f980eba27..b41d2c9ad 100644
--- a/server/types/voyager/meta.ts
+++ b/server/types/voyager/meta.ts
@@ -1,11 +1,10 @@
-/* eslint-disable quotes, @typescript-eslint/brace-style, @typescript-eslint/no-explicit-any */
+/* eslint-disable quotes, @typescript-eslint/brace-style */
 /**
  * NOTE: this file is part of the definition of a Voyager scene, found in a .svx.json file.
- * This was imported from Voyager's source/client/schema on 1/27/2023. It was then modified,
+ * This was imported from Voyager's source/client/schema on 1/24/2024. It was then modified,
  * minimally, to allow for use by Packrat. Ideally, in the future, we will extract out the
  * definition of this shared file format for use by both projects.
  */
-
 /**
  * 3D Foundation Project
  * Copyright 2019 Smithsonian Institution
@@ -92,4 +91,6 @@ export interface IAudioClip
     id: string;
     name: string;
     uris: Dictionary<string>;
+    captionUris: Dictionary<string>;
+    durations: Dictionary<string>;
 }
\ No newline at end of file
diff --git a/server/types/voyager/model.ts b/server/types/voyager/model.ts
index a5abfd46c..7941041c7 100644
--- a/server/types/voyager/model.ts
+++ b/server/types/voyager/model.ts
@@ -1,11 +1,10 @@
 /* eslint-disable quotes, @typescript-eslint/brace-style */
 /**
  * NOTE: this file is part of the definition of a Voyager scene, found in a .svx.json file.
- * This was imported from Voyager's source/client/schema on 1/27/2023. It was then modified,
+ * This was imported from Voyager's source/client/schema on 1/24/2024. It was then modified,
  * minimally, to allow for use by Packrat. Ideally, in the future, we will extract out the
  * definition of this shared file format for use by both projects.
  */
-
 /**
  * 3D Foundation Project
  * Copyright 2019 Smithsonian Institution
@@ -84,6 +83,9 @@ export interface IAnnotation
     taglist?: Dictionary<string[]>;
     articleId?: string;
     imageUri?: string;
+    imageCredit?: Dictionary<string>;
+    imageAltText?: Dictionary<string>;
+    audioId?: string;
 
     style?: string;
     visible?: boolean;
diff --git a/server/types/voyager/setup.ts b/server/types/voyager/setup.ts
index 5d43ca642..73a460032 100644
--- a/server/types/voyager/setup.ts
+++ b/server/types/voyager/setup.ts
@@ -1,12 +1,11 @@
-/* eslint-disable quotes, @typescript-eslint/brace-style, @typescript-eslint/no-explicit-any */
+/* eslint-disable quotes, @typescript-eslint/brace-style */
 /**
  * NOTE: this file is part of the definition of a Voyager scene, found in a .svx.json file.
- * This was imported from Voyager's source/client/schema on 1/27/2023. It was then modified,
+ * This was imported from Voyager's source/client/schema on 1/24/2024. It was then modified,
  * minimally, to allow for use by Packrat. Ideally, in the future, we will extract out the
  * definition of this shared file format for use by both projects.
  */
-
-// import { Dictionary } from "@ff/core/types";
+//import { Dictionary } from "@ff/core/types";
 type Dictionary<T> = Record<string, T>;
 import { ELanguageType, TLanguageType } from "./common";
 
@@ -74,6 +73,8 @@ export interface IViewer
     exposure: number;
     toneMapping: boolean;
     gamma: number;
+    isWallMountAR: boolean;
+    arScale: number;
     annotationsVisible?: boolean;
     activeTags?: string;
     sortedTags?: string;
@@ -169,6 +170,7 @@ export interface ISlicer
     axis: TSliceAxis;
     inverted: boolean;
     position: number;
+    color: number[];
 }
 
 export type ITours = ITour[];