diff --git a/apps/datahub/src/app/record/record-downloads/record-downloads.component.spec.ts b/apps/datahub/src/app/record/record-downloads/record-downloads.component.spec.ts
index b298d13cee..2e5a12d4cb 100644
--- a/apps/datahub/src/app/record/record-downloads/record-downloads.component.spec.ts
+++ b/apps/datahub/src/app/record/record-downloads/record-downloads.component.spec.ts
@@ -13,11 +13,11 @@ import { MdViewFacade } from '@geonetwork-ui/feature/record'
 import { MockBuilder } from 'ng-mocks'
 import { PopupAlertComponent } from '@geonetwork-ui/ui/widgets'
 
-// This is used to work around a very weird bug when comparing URL objects would fail
-// if the `searchParams` of the object wasn't accessed beforehand in some cases...
+// This is used to work around this issue with URL in JSDom:
+// https://github.com/jestjs/jest/issues/14012
 const newUrl = (url: string) => {
   const obj = new URL(url)
-  // obj.searchParams // try commenting this out to see the bug
+  obj.searchParams // calling the getter once to fill query params
   return obj
 }
 
diff --git a/libs/api/metadata-converter/src/lib/iso19139/write-parts.ts b/libs/api/metadata-converter/src/lib/iso19139/write-parts.ts
index b41c13e5c1..32fc7a34e8 100644
--- a/libs/api/metadata-converter/src/lib/iso19139/write-parts.ts
+++ b/libs/api/metadata-converter/src/lib/iso19139/write-parts.ts
@@ -18,7 +18,7 @@ import {
   UpdateFrequencyCustom,
 } from '@geonetwork-ui/common/domain/model/record'
 import { ThesaurusModel } from '@geonetwork-ui/common/domain/model/thesaurus'
-import format from 'date-fns/format'
+import { format } from 'date-fns/format'
 import { Geometry } from 'geojson'
 import {
   ChainableFunction,
diff --git a/libs/util/data-fetcher/src/lib/utils.ts b/libs/util/data-fetcher/src/lib/utils.ts
index c00e278e68..6d6e16cd49 100644
--- a/libs/util/data-fetcher/src/lib/utils.ts
+++ b/libs/util/data-fetcher/src/lib/utils.ts
@@ -8,8 +8,8 @@ import {
 } from './model'
 import { sharedFetch, useCache } from '@camptocamp/ogc-client'
 import { parseHeaders } from './headers'
-import parseDate from 'date-fns/parse'
-import parseIsoDate from 'date-fns/parseISO'
+import { parse as parseDate } from 'date-fns/parse'
+import { parseISO as parseIsoDate } from 'date-fns/parseISO'
 
 export async function inferDatasetType(
   url: string,
@@ -89,20 +89,22 @@ export function fetchDataAsArrayBuffer(url: string): Promise<ArrayBuffer> {
   })
 }
 
-export function tryParseDate(input: string): Date | null {
-  function tryIso() {
-    const parsed = parseIsoDate(input)
+export function tryParseDate(input: unknown): Date | null {
+  if (typeof input !== 'string') return null
+
+  function tryIso(value: string) {
+    const parsed = parseIsoDate(value)
     return isNaN(parsed.getDate()) ? null : parsed
   }
-  function tryFormat(format: string) {
-    const parsed = parseDate(input, format, new Date())
+  function tryFormat(value: string, format: string) {
+    const parsed = parseDate(value, format, new Date())
     return isNaN(parsed.getDate()) ? null : parsed
   }
   return (
-    tryIso() ||
-    tryFormat('dd/MM/yyyy') ||
-    tryFormat('dd.MM.yyyy') ||
-    tryFormat('MM/dd/yyyy') ||
+    tryIso(input) ||
+    tryFormat(input, 'dd/MM/yyyy') ||
+    tryFormat(input, 'dd.MM.yyyy') ||
+    tryFormat(input, 'MM/dd/yyyy') ||
     null
   )
 }
diff --git a/libs/util/data-fetcher/src/test-setup.ts b/libs/util/data-fetcher/src/test-setup.ts
index 687a56a558..ff658f77f6 100644
--- a/libs/util/data-fetcher/src/test-setup.ts
+++ b/libs/util/data-fetcher/src/test-setup.ts
@@ -1,8 +1,14 @@
 /* eslint-disable */
 import fetch from 'fetch-mock-jest'
+import { TextDecoder, TextEncoder } from 'util'
 
 global.fetch = fetch as never
 
+// this is needed because jsdom does not include these as globals by default
+// see https://github.com/jsdom/jsdom/issues/2524
+global.TextEncoder = TextEncoder
+global.TextDecoder = TextDecoder
+
 global.Headers = class {
   _value = {}
   constructor(initValue) {
diff --git a/libs/util/shared/src/lib/utils/temporal-extent-union.spec.ts b/libs/util/shared/src/lib/utils/temporal-extent-union.spec.ts
index b85a40693e..8bd8ddc550 100644
--- a/libs/util/shared/src/lib/utils/temporal-extent-union.spec.ts
+++ b/libs/util/shared/src/lib/utils/temporal-extent-union.spec.ts
@@ -1,5 +1,13 @@
 import { getTemporalRangeUnion } from './temporal-extent-union'
 
+// lock locale to en
+beforeAll(() => {
+  const originalFn = Date.prototype.toLocaleDateString
+  Date.prototype.toLocaleDateString = function () {
+    return originalFn.call(this, 'en')
+  }
+})
+
 describe('getTemporalRangeUnion', () => {
   it('should return the union of temporal ranges', () => {
     const ranges = [
diff --git a/libs/util/shared/src/lib/utils/temporal-extent-union.ts b/libs/util/shared/src/lib/utils/temporal-extent-union.ts
index 5016527434..691dccf036 100644
--- a/libs/util/shared/src/lib/utils/temporal-extent-union.ts
+++ b/libs/util/shared/src/lib/utils/temporal-extent-union.ts
@@ -1,4 +1,9 @@
-export function getTemporalRangeUnion(ranges) {
+export function getTemporalRangeUnion(
+  ranges: {
+    start?: Date
+    end?: Date
+  }[]
+) {
   let earliestStartDate = Infinity
   let latestEndDate = -Infinity
   if (ranges.length) {