diff --git a/client/Chart.yaml b/client/Chart.yaml
index 85c17ec3..672adbd6 100644
--- a/client/Chart.yaml
+++ b/client/Chart.yaml
@@ -2,8 +2,8 @@ apiVersion: v2
 name: client
 description: A unified Helm chart for tracebloc on AKS, EKS, bare-metal, and OpenShift
 type: application
-version: 1.9.14
-appVersion: "1.9.14"
+version: 1.9.15
+appVersion: "1.9.15"
 keywords:
   - tracebloc
   - kubernetes
diff --git a/client/templates/_helpers.tpl b/client/templates/_helpers.tpl
index 165dc9c6..21596858 100644
--- a/client/templates/_helpers.tpl
+++ b/client/templates/_helpers.tpl
@@ -315,9 +315,11 @@ Usage: {{ include "tracebloc.ingestorDigest" . }}
   Precedence, mirroring tracebloc.ingestorDigest:
     1. `images.ingestor.tag`          explicit override, any environment
     2. `images.ingestor.channelTags[CLIENT_ENV]`   per-environment channel
-    3. "0.7"                          last-resort literal, so a release that
+    3. "0.8"                          last-resort literal, so a release that
                                       predates these keys still renders under
-                                      `--reuse-values`
+                                      `--reuse-values`. Track the current prod
+                                      line: an older literal here would spawn a
+                                      pre-D16 ingestor on such a release.
 
   Only consulted when no digest applies: jobs-manager builds `repo@digest`
   when tracebloc.ingestorDigest is non-empty, and `repo:tag` otherwise
@@ -338,7 +340,7 @@ Usage: {{ include "tracebloc.ingestorDigest" . }}
 {{- if $channel -}}
 {{- $channel -}}
 {{- else -}}
-{{- "0.7" -}}
+{{- "0.8" -}}
 {{- end -}}
 {{- end -}}
 {{- end }}
diff --git a/client/tests/ingestor_channel_tag_test.yaml b/client/tests/ingestor_channel_tag_test.yaml
index bf26c94d..1145cfaf 100644
--- a/client/tests/ingestor_channel_tag_test.yaml
+++ b/client/tests/ingestor_channel_tag_test.yaml
@@ -36,7 +36,7 @@ tests:
           path: spec.template.spec.containers[0].env
           content:
             name: INGESTOR_IMAGE_TAG
-            value: "0.7"
+            value: "0.8"
 
   - it: defaults to the prod float when CLIENT_ENV is unset
     asserts:
@@ -44,7 +44,7 @@ tests:
           path: spec.template.spec.containers[0].env
           content:
             name: INGESTOR_IMAGE_TAG
-            value: "0.7"
+            value: "0.8"
 
   - it: an explicit tag override wins over the channel for every environment
     set:
@@ -65,7 +65,7 @@ tests:
           path: spec.template.spec.containers[0].env
           content:
             name: INGESTOR_IMAGE_TAG
-            value: "0.7"
+            value: "0.8"
 
   - it: renders for a release predating channelTags (--reuse-values replay)
     set:
@@ -76,7 +76,7 @@ tests:
           path: spec.template.spec.containers[0].env
           content:
             name: INGESTOR_IMAGE_TAG
-            value: "0.7"
+            value: "0.8"
 
   - it: prod still pins by digest, so the tag is not the spawn target there
     set:
@@ -86,7 +86,7 @@ tests:
           path: spec.template.spec.containers[0].env
           content:
             name: INGESTOR_IMAGE_DIGEST
-            value: "sha256:9098b3c9b83951f825e262d6ff1e9c47c46c5b5cafbfc8fef1ed82ccbadebb24"
+            value: "sha256:05e124945a2ef61868661a9137abb5e75dac96a090cb41a7b4e8be520c4b5873"
 
   - it: dev gets no digest, so it spawns by the floating channel tag
     set:
@@ -130,7 +130,7 @@ tests:
           path: spec.template.spec.containers[0].env
           content:
             name: INGESTOR_IMAGE_TAG
-            value: "0.7"
+            value: "0.8"
 
   - it: the "production" alias keeps the prod reproducibility pin
     # Bugbot catch (#494): the first alias fix normalized inside
@@ -146,4 +146,4 @@ tests:
           path: spec.template.spec.containers[0].env
           content:
             name: INGESTOR_IMAGE_DIGEST
-            value: "sha256:9098b3c9b83951f825e262d6ff1e9c47c46c5b5cafbfc8fef1ed82ccbadebb24"
+            value: "sha256:05e124945a2ef61868661a9137abb5e75dac96a090cb41a7b4e8be520c4b5873"
diff --git a/client/tests/jobs_manager_test.yaml b/client/tests/jobs_manager_test.yaml
index fe0991a9..a0554a42 100644
--- a/client/tests/jobs_manager_test.yaml
+++ b/client/tests/jobs_manager_test.yaml
@@ -129,12 +129,12 @@ tests:
           path: spec.template.spec.containers[0].env
           content:
             name: INGESTOR_IMAGE_TAG
-            value: "0.7"
+            value: "0.8"
       - contains:
           path: spec.template.spec.containers[0].env
           content:
             name: INGESTOR_IMAGE_DIGEST
-            value: "sha256:9098b3c9b83951f825e262d6ff1e9c47c46c5b5cafbfc8fef1ed82ccbadebb24"
+            value: "sha256:05e124945a2ef61868661a9137abb5e75dac96a090cb41a7b4e8be520c4b5873"
 
   - it: keeps the ingestor floating on dev (CLIENT_ENV=dev => no digest, :dev channel)
     # Since backend#1360 the dev float is the per-environment INTERNAL
@@ -179,7 +179,7 @@ tests:
           path: spec.template.spec.containers[0].env
           content:
             name: INGESTOR_IMAGE_DIGEST
-            value: "sha256:9098b3c9b83951f825e262d6ff1e9c47c46c5b5cafbfc8fef1ed82ccbadebb24"
+            value: "sha256:05e124945a2ef61868661a9137abb5e75dac96a090cb41a7b4e8be520c4b5873"
 
   - it: prodPin=false floats a canary prod edge while the fleet stays pinned
     set:
diff --git a/client/values.yaml b/client/values.yaml
index 11adeab2..a895363e 100644
--- a/client/values.yaml
+++ b/client/values.yaml
@@ -426,7 +426,13 @@ images:
     channelTags:
       dev: "dev"
       stg: "stg"
-      prod: "0.7"
+      # 0.8 line: carries the ds_<hex> per-ingestion write path (D16,
+      # data-ingestors#408, first released as v0.8.0 on 2026-07-30; line currently
+      # at v0.8.2, 2026-08-04). A prod edge left on 0.7 spawns a pre-D16 ingestor
+      # and silently falls back to the legacy tables even with
+      # `perIngestionTables` on (found on staging). Verified multi-arch against
+      # ghcr.io 2026-08-04 (linux/amd64 + linux/arm64 OCI image index).
+      prod: "0.8"
 
     # -- PROD REPRODUCIBILITY PIN — the digest prod edges run.
     #
@@ -449,10 +455,11 @@ images:
     # unbumped refresh reaches nobody — and commit. CI's `ingestor-multiarch`
     # job validates this value on every PR.
     #
-    # ghcr.io/tracebloc/ingestor multi-arch index for the 0.7 line, == the
-    # published `tag` above — VERIFIED against ghcr.io 2026-07-25 (linux/amd64 +
-    # linux/arm64 OCI image index). The `VERIFIED` note is the audit trail.
-    prodDigest: "sha256:9098b3c9b83951f825e262d6ff1e9c47c46c5b5cafbfc8fef1ed82ccbadebb24"
+    # ghcr.io/tracebloc/ingestor multi-arch index for the 0.8 line (v0.8.2), ==
+    # the `channelTags.prod` float above — VERIFIED against ghcr.io 2026-08-04
+    # (linux/amd64 + linux/arm64 OCI image index; matches the v0.8.2 GitHub
+    # Release digest). The `VERIFIED` note is the audit trail.
+    prodDigest: "sha256:05e124945a2ef61868661a9137abb5e75dac96a090cb41a7b4e8be520c4b5873"
 
     # -- Whether `prodDigest` applies on this edge. Default true, which means
     # "pin on prod only": it takes effect when the resolved CLIENT_ENV is "prod"