diff --git a/changelog/seqera-enterprise/v26.1.5.md b/changelog/seqera-enterprise/v26.1.5.md
new file mode 100644
index 000000000..64615b4b1
--- /dev/null
+++ b/changelog/seqera-enterprise/v26.1.5.md
@@ -0,0 +1,24 @@
+---
+title: Seqera Enterprise v26.1.5
+date: 2026-08-18
+tags: [seqera enterprise]
+---
+
+## Feature updates and improvements
+
+### Pipelines
+
+- Updated the bundled Nextflow version to 25.10.6.
+
+## Bug fixes
+
+### Data Explorer
+
+- Fixed the IGV genome viewer failing to load reference genomes in Data Explorer by signing reference genome URLs.
+- Fixed IGV genome viewer rendering in Data Explorer, which no longer depends on an externally hosted genome registry.
+- Fixed IGV previews of Google Cloud Storage files in Data Explorer returning an authorization error, by signing those URLs with V4 signatures.
+- Fixed IGV previews in Data Explorer failing at high zoom levels by signing index URLs independently of their data file URLs.
+
+## Upgrade notes
+
+No breaking changes. Standard upgrade procedure applies.
diff --git a/platform-cloud/docs/functionality_matrix/overview.md b/platform-cloud/docs/functionality_matrix/overview.md
index c8ba6721f..a1c6f6c43 100644
--- a/platform-cloud/docs/functionality_matrix/overview.md
+++ b/platform-cloud/docs/functionality_matrix/overview.md
@@ -2,7 +2,7 @@
 title: "Default version compatibility"
 description: "Version compatibility for Seqera Platform, nf-launcher, Nextflow, Fusion, and the Connect client"
 date created: "2024-06-20"
-last updated: "2026-07-06"
+last updated: "2026-08-18"
 tags: [compatibility, nextflow, nf-launcher]
 ---
 
@@ -14,43 +14,31 @@ If you do not specify a Nextflow version in your configuration, Seqera Platform
 
 | Platform version | nf-launcher version | Nextflow version | Fusion version | Connect client version |
 | ---------------- | ------------------- | ---------------- | -------------- | ---------------------- |
-| 26.1.4           | j21-26.04           | 26.04            | 2.4            | 0.12.0        |
-| 26.1.3           | j21-26.04           | 26.04            | 2.4            | 0.12.0        |
-| 26.1.2           | j21-26.04           | 26.04            | 2.4            | 0.12.0        |
-| 26.1.0           | j21-26.04           | 26.04            | 2.4            | 0.12.0        |
-| 25.3.6           | j21-25.10.2         | 25.10.2          | 2.4            | 0.11.0        |
-| 25.3.4           | j21-25.10.2         | 25.10.2          | 2.4            | 0.9.0         |
-| 25.3.1           | j21-25.10.2         | 25.10.2          | 2.4            | 0.9.0         |
-| 25.3.0           | j21-25.04.8         | 25.04.8          | 2.4            |               |
-| 25.2.4           | j21-25.04.3         | 25.04.3          | 2.4            |               |
-| 25.2.3           | j21-25.04.3         | 25.04.3          | 2.4            |               |
-| 25.2.2           | j21-25.04.3         | 25.04.3          | 2.4            |               |
-| 25.2.3           | j21-25.04.3         | 25.04.3          | 2.4            |               |
-| 25.2.1           | j21-25.04.3         | 25.04.3          | 2.4            |               |
-| 25.1.3           | j17-24.10.9-b1      | 24.10.9          | 2.4            |               |
-| 25.2.0           | j21-25.04.3         | 25.04.3          | 2.4            |               |
-| 25.1.5           | j17-24.10.9-b1      | 24.10.9          | 2.4            |               |
-| 25.1.4           | j17-24.10.9-b1      | 24.10.9          | 2.4            |               |
-| 25.1.3           | j17-24.10.9-b1      | 24.10.9          | 2.4            |               |
-| 25.2.3           | j21-25.04.3         | 25.04.3          | 2.4            |               |
-| 25.2.1           | j21-25.04.3         | 25.04.3          | 2.4            |               |
-| 25.1.3           | j17-24.10.9-b1      | 24.10.9          | 2.4            |               |
-| 25.1.1           | j17-24.10.5         | 24.10.5          | 2.4            |               |
-| 25.1.0           | j17-24.10.5         | 24.10.5          | 2.4            |               |
-| 24.2.7           | j17-24.10.9-a1      | 24.10.9          | 2.4            |               |
-| 24.2.4           | j17-24.10.4         | 24.10.4          | 2.4            |               |
-| 24.2.1           | j17-24.10.2         | 24.10.2          | 2.4            |               |
-| 25.1.0           | j17-24.10.5         | 24.10.5          | 2.4            |               |
-| 24.2.7           | j17-24.10.9-a1      | 24.10.9          | 2.4            |               |
-| 24.2.6           | j17-24.10.9-a1      | 24.10.9          | 2.4            |               |
-| 25.1.0           | j17-24.10.5         | 24.10.5          | 2.4            |               |
-| 24.2.7           | j17-24.10.9-a1      | 24.10.9          | 2.4            |               |
-| 24.2.4           | j17-24.10.4         | 24.10.4          | 2.4            |               |
-| 24.2.1           | j17-24.10.2         | 24.10.2          | 2.4            |               |
-| 24.2.4           | j17-24.10.4         | 24.10.4          | 2.4            |               |
-| 24.2.3           | j17-24.10.4         | 24.10.4          | 2.4            |               |
-| 24.2.2           | j17-24.10.0         | 24.10.0          | 2.4            |               |
-| 24.2.1           | j17-24.10.2         | 24.10.2          | 2.4            |               |
-| 24.2.0           | j17-24.10.0         | 24.10.0          | 2.4            |               |
+| 26.1.5           | j21-26.04           | 26.04            | 2.4            | 0.12.0                 |
+| 26.1.4           | j21-26.04           | 26.04            | 2.4            | 0.12.0                 |
+| 26.1.3           | j21-26.04           | 26.04            | 2.4            | 0.12.0                 |
+| 26.1.2           | j21-26.04           | 26.04            | 2.4            | 0.12.0                 |
+| 26.1.0           | j21-26.04           | 26.04            | 2.4            | 0.12.0                 |
+| 25.3.6           | j21-25.10.2         | 25.10.2          | 2.4            | 0.11.0                 |
+| 25.3.4           | j21-25.10.2         | 25.10.2          | 2.4            | 0.9.0                  |
+| 25.3.1           | j21-25.10.2         | 25.10.2          | 2.4            | 0.9.0                  |
+| 25.3.0           | j21-25.04.8         | 25.04.8          | 2.4            |                        |
+| 25.2.4           | j21-25.04.3         | 25.04.3          | 2.4            |                        |
+| 25.2.3           | j21-25.04.3         | 25.04.3          | 2.4            |                        |
+| 25.2.2           | j21-25.04.3         | 25.04.3          | 2.4            |                        |
+| 25.2.1           | j21-25.04.3         | 25.04.3          | 2.4            |                        |
+| 25.2.0           | j21-25.04.3         | 25.04.3          | 2.4            |                        |
+| 25.1.5           | j17-24.10.9-b1      | 24.10.9          | 2.4            |                        |
+| 25.1.4           | j17-24.10.9-b1      | 24.10.9          | 2.4            |                        |
+| 25.1.3           | j17-24.10.9-b1      | 24.10.9          | 2.4            |                        |
+| 25.1.1           | j17-24.10.5         | 24.10.5          | 2.4            |                        |
+| 25.1.0           | j17-24.10.5         | 24.10.5          | 2.4            |                        |
+| 24.2.7           | j17-24.10.9-a1      | 24.10.9          | 2.4            |                        |
+| 24.2.6           | j17-24.10.9-a1      | 24.10.9          | 2.4            |                        |
+| 24.2.4           | j17-24.10.4         | 24.10.4          | 2.4            |                        |
+| 24.2.3           | j17-24.10.4         | 24.10.4          | 2.4            |                        |
+| 24.2.2           | j17-24.10.0         | 24.10.0          | 2.4            |                        |
+| 24.2.1           | j17-24.10.2         | 24.10.2          | 2.4            |                        |
+| 24.2.0           | j17-24.10.0         | 24.10.0          | 2.4            |                        |
 
 `nf-launcher` versions prefixed with `j21` use Java 21, and versions prefixed with `j17` use Java 17.
diff --git a/platform-enterprise_versioned_docs/version-26.1/enterprise/_templates/docker/docker-compose.yml b/platform-enterprise_versioned_docs/version-26.1/enterprise/_templates/docker/docker-compose.yml
index 4edc36d3f..926cd9123 100644
--- a/platform-enterprise_versioned_docs/version-26.1/enterprise/_templates/docker/docker-compose.yml
+++ b/platform-enterprise_versioned_docs/version-26.1/enterprise/_templates/docker/docker-compose.yml
@@ -47,7 +47,7 @@ services:
       - $HOME/.tower/db/redis:/data
 
   migrate:
-    image: cr.seqera.io/enterprise/platform/migrate-db:v26.1.4
+    image: cr.seqera.io/enterprise/platform/migrate-db:v26.1.5
     platform: linux/amd64
     command: -c "/migrate-db.sh"
     networks:
@@ -64,7 +64,7 @@ services:
         condition: service_healthy
 
   cron:
-    image: cr.seqera.io/enterprise/platform/backend:v26.1.4
+    image: cr.seqera.io/enterprise/platform/backend:v26.1.5
     platform: linux/amd64
     command: -c '/tower.sh'
     networks:
@@ -85,7 +85,7 @@ services:
 
 
   backend:
-    image: cr.seqera.io/enterprise/platform/backend:v26.1.4
+    image: cr.seqera.io/enterprise/platform/backend:v26.1.5
     platform: linux/amd64
     command: -c '/wait-for-it.sh db:3306 -t 60; /tower.sh'
     networks:
@@ -110,7 +110,7 @@ services:
       - cron
 
   frontend:
-    image: cr.seqera.io/enterprise/platform/frontend:v26.1.4
+    image: cr.seqera.io/enterprise/platform/frontend:v26.1.5
     platform: linux/amd64
     networks:
       - frontend
diff --git a/platform-enterprise_versioned_docs/version-26.1/enterprise/_templates/k8s/tower-cron.yml b/platform-enterprise_versioned_docs/version-26.1/enterprise/_templates/k8s/tower-cron.yml
index ad9158108..1a5e7031e 100644
--- a/platform-enterprise_versioned_docs/version-26.1/enterprise/_templates/k8s/tower-cron.yml
+++ b/platform-enterprise_versioned_docs/version-26.1/enterprise/_templates/k8s/tower-cron.yml
@@ -21,7 +21,7 @@ spec:
             name: tower-yml
       initContainers:
         - name: migrate-db
-          image: cr.seqera.io/enterprise/platform/migrate-db:v26.1.4
+          image: cr.seqera.io/enterprise/platform/migrate-db:v26.1.5
           command: ["sh", "-c", "/migrate-db.sh"]
           envFrom:
             - configMapRef:
@@ -32,7 +32,7 @@ spec:
               subPath: tower.yml
       containers:
         - name: backend
-          image: cr.seqera.io/enterprise/platform/backend:v26.1.4
+          image: cr.seqera.io/enterprise/platform/backend:v26.1.5
           envFrom:
             - configMapRef:
                 name: tower-backend-cfg
diff --git a/platform-enterprise_versioned_docs/version-26.1/enterprise/_templates/k8s/tower-svc.yml b/platform-enterprise_versioned_docs/version-26.1/enterprise/_templates/k8s/tower-svc.yml
index b60b47365..4cf9a22f4 100644
--- a/platform-enterprise_versioned_docs/version-26.1/enterprise/_templates/k8s/tower-svc.yml
+++ b/platform-enterprise_versioned_docs/version-26.1/enterprise/_templates/k8s/tower-svc.yml
@@ -29,7 +29,7 @@ spec:
         #    secretName: platform-oidc-certs
       containers:
         - name: backend
-          image: cr.seqera.io/enterprise/platform/backend:v26.1.4
+          image: cr.seqera.io/enterprise/platform/backend:v26.1.5
           envFrom:
             - configMapRef:
                 name: tower-backend-cfg
@@ -91,7 +91,7 @@ spec:
         - name: "cr.seqera.io"
       containers:
         - name: frontend
-          image: cr.seqera.io/enterprise/platform/frontend:v26.1.4
+          image: cr.seqera.io/enterprise/platform/frontend:v26.1.5
           ports:
             - containerPort: 80
       restartPolicy: Always
diff --git a/platform-enterprise_versioned_docs/version-26.1/enterprise/configuration/mirroring.md b/platform-enterprise_versioned_docs/version-26.1/enterprise/configuration/mirroring.md
index 5a7a5e72b..757662903 100644
--- a/platform-enterprise_versioned_docs/version-26.1/enterprise/configuration/mirroring.md
+++ b/platform-enterprise_versioned_docs/version-26.1/enterprise/configuration/mirroring.md
@@ -30,9 +30,9 @@ Create a YAML file (`seqera-images.yaml`) to specify which images to sync:
 ```yaml
 cr.seqera.io:
     images-by-semver:
-        enterprise/platform/backend: ">= v26.1.4"
-        enterprise/platform/frontend: ">= v26.1.4"
-        enterprise/platform/migrate-db: ">= v26.1.4"
+        enterprise/platform/backend: ">= v26.1.5"
+        enterprise/platform/frontend: ">= v26.1.5"
+        enterprise/platform/migrate-db: ">= v26.1.5"
 ```
 
 Run the sync:
diff --git a/platform-enterprise_versioned_docs/version-26.1/enterprise/platform-kubernetes.md b/platform-enterprise_versioned_docs/version-26.1/enterprise/platform-kubernetes.md
index 3f2ec6a20..0d8a2cbe1 100644
--- a/platform-enterprise_versioned_docs/version-26.1/enterprise/platform-kubernetes.md
+++ b/platform-enterprise_versioned_docs/version-26.1/enterprise/platform-kubernetes.md
@@ -145,7 +145,7 @@ spec:
   ...
       containers:
         - name: frontend
-          image: cr.seqera.io/enterprise/platform/frontend:v26.1.4-unprivileged
+          image: cr.seqera.io/enterprise/platform/frontend:v26.1.5-unprivileged
           env:
             - name: NGINX_LISTEN_PORT  # If not defined, defaults to 8000.
               value: 8000
diff --git a/platform-enterprise_versioned_docs/version-26.1/functionality_matrix/overview.md b/platform-enterprise_versioned_docs/version-26.1/functionality_matrix/overview.md
index c8ba6721f..a1c6f6c43 100644
--- a/platform-enterprise_versioned_docs/version-26.1/functionality_matrix/overview.md
+++ b/platform-enterprise_versioned_docs/version-26.1/functionality_matrix/overview.md
@@ -2,7 +2,7 @@
 title: "Default version compatibility"
 description: "Version compatibility for Seqera Platform, nf-launcher, Nextflow, Fusion, and the Connect client"
 date created: "2024-06-20"
-last updated: "2026-07-06"
+last updated: "2026-08-18"
 tags: [compatibility, nextflow, nf-launcher]
 ---
 
@@ -14,43 +14,31 @@ If you do not specify a Nextflow version in your configuration, Seqera Platform
 
 | Platform version | nf-launcher version | Nextflow version | Fusion version | Connect client version |
 | ---------------- | ------------------- | ---------------- | -------------- | ---------------------- |
-| 26.1.4           | j21-26.04           | 26.04            | 2.4            | 0.12.0        |
-| 26.1.3           | j21-26.04           | 26.04            | 2.4            | 0.12.0        |
-| 26.1.2           | j21-26.04           | 26.04            | 2.4            | 0.12.0        |
-| 26.1.0           | j21-26.04           | 26.04            | 2.4            | 0.12.0        |
-| 25.3.6           | j21-25.10.2         | 25.10.2          | 2.4            | 0.11.0        |
-| 25.3.4           | j21-25.10.2         | 25.10.2          | 2.4            | 0.9.0         |
-| 25.3.1           | j21-25.10.2         | 25.10.2          | 2.4            | 0.9.0         |
-| 25.3.0           | j21-25.04.8         | 25.04.8          | 2.4            |               |
-| 25.2.4           | j21-25.04.3         | 25.04.3          | 2.4            |               |
-| 25.2.3           | j21-25.04.3         | 25.04.3          | 2.4            |               |
-| 25.2.2           | j21-25.04.3         | 25.04.3          | 2.4            |               |
-| 25.2.3           | j21-25.04.3         | 25.04.3          | 2.4            |               |
-| 25.2.1           | j21-25.04.3         | 25.04.3          | 2.4            |               |
-| 25.1.3           | j17-24.10.9-b1      | 24.10.9          | 2.4            |               |
-| 25.2.0           | j21-25.04.3         | 25.04.3          | 2.4            |               |
-| 25.1.5           | j17-24.10.9-b1      | 24.10.9          | 2.4            |               |
-| 25.1.4           | j17-24.10.9-b1      | 24.10.9          | 2.4            |               |
-| 25.1.3           | j17-24.10.9-b1      | 24.10.9          | 2.4            |               |
-| 25.2.3           | j21-25.04.3         | 25.04.3          | 2.4            |               |
-| 25.2.1           | j21-25.04.3         | 25.04.3          | 2.4            |               |
-| 25.1.3           | j17-24.10.9-b1      | 24.10.9          | 2.4            |               |
-| 25.1.1           | j17-24.10.5         | 24.10.5          | 2.4            |               |
-| 25.1.0           | j17-24.10.5         | 24.10.5          | 2.4            |               |
-| 24.2.7           | j17-24.10.9-a1      | 24.10.9          | 2.4            |               |
-| 24.2.4           | j17-24.10.4         | 24.10.4          | 2.4            |               |
-| 24.2.1           | j17-24.10.2         | 24.10.2          | 2.4            |               |
-| 25.1.0           | j17-24.10.5         | 24.10.5          | 2.4            |               |
-| 24.2.7           | j17-24.10.9-a1      | 24.10.9          | 2.4            |               |
-| 24.2.6           | j17-24.10.9-a1      | 24.10.9          | 2.4            |               |
-| 25.1.0           | j17-24.10.5         | 24.10.5          | 2.4            |               |
-| 24.2.7           | j17-24.10.9-a1      | 24.10.9          | 2.4            |               |
-| 24.2.4           | j17-24.10.4         | 24.10.4          | 2.4            |               |
-| 24.2.1           | j17-24.10.2         | 24.10.2          | 2.4            |               |
-| 24.2.4           | j17-24.10.4         | 24.10.4          | 2.4            |               |
-| 24.2.3           | j17-24.10.4         | 24.10.4          | 2.4            |               |
-| 24.2.2           | j17-24.10.0         | 24.10.0          | 2.4            |               |
-| 24.2.1           | j17-24.10.2         | 24.10.2          | 2.4            |               |
-| 24.2.0           | j17-24.10.0         | 24.10.0          | 2.4            |               |
+| 26.1.5           | j21-26.04           | 26.04            | 2.4            | 0.12.0                 |
+| 26.1.4           | j21-26.04           | 26.04            | 2.4            | 0.12.0                 |
+| 26.1.3           | j21-26.04           | 26.04            | 2.4            | 0.12.0                 |
+| 26.1.2           | j21-26.04           | 26.04            | 2.4            | 0.12.0                 |
+| 26.1.0           | j21-26.04           | 26.04            | 2.4            | 0.12.0                 |
+| 25.3.6           | j21-25.10.2         | 25.10.2          | 2.4            | 0.11.0                 |
+| 25.3.4           | j21-25.10.2         | 25.10.2          | 2.4            | 0.9.0                  |
+| 25.3.1           | j21-25.10.2         | 25.10.2          | 2.4            | 0.9.0                  |
+| 25.3.0           | j21-25.04.8         | 25.04.8          | 2.4            |                        |
+| 25.2.4           | j21-25.04.3         | 25.04.3          | 2.4            |                        |
+| 25.2.3           | j21-25.04.3         | 25.04.3          | 2.4            |                        |
+| 25.2.2           | j21-25.04.3         | 25.04.3          | 2.4            |                        |
+| 25.2.1           | j21-25.04.3         | 25.04.3          | 2.4            |                        |
+| 25.2.0           | j21-25.04.3         | 25.04.3          | 2.4            |                        |
+| 25.1.5           | j17-24.10.9-b1      | 24.10.9          | 2.4            |                        |
+| 25.1.4           | j17-24.10.9-b1      | 24.10.9          | 2.4            |                        |
+| 25.1.3           | j17-24.10.9-b1      | 24.10.9          | 2.4            |                        |
+| 25.1.1           | j17-24.10.5         | 24.10.5          | 2.4            |                        |
+| 25.1.0           | j17-24.10.5         | 24.10.5          | 2.4            |                        |
+| 24.2.7           | j17-24.10.9-a1      | 24.10.9          | 2.4            |                        |
+| 24.2.6           | j17-24.10.9-a1      | 24.10.9          | 2.4            |                        |
+| 24.2.4           | j17-24.10.4         | 24.10.4          | 2.4            |                        |
+| 24.2.3           | j17-24.10.4         | 24.10.4          | 2.4            |                        |
+| 24.2.2           | j17-24.10.0         | 24.10.0          | 2.4            |                        |
+| 24.2.1           | j17-24.10.2         | 24.10.2          | 2.4            |                        |
+| 24.2.0           | j17-24.10.0         | 24.10.0          | 2.4            |                        |
 
 `nf-launcher` versions prefixed with `j21` use Java 21, and versions prefixed with `j17` use Java 17.