diff --git a/.github/workflows/README.md b/.github/workflows/README.md
index cd99f94..ff47416 100644
--- a/.github/workflows/README.md
+++ b/.github/workflows/README.md
@@ -19,7 +19,7 @@ permissions:
   contents: read
 jobs:
   match:
-    uses: aywrite/mache/.github/workflows/strength.yml@v0.7.1
+    uses: aywrite/mache/.github/workflows/strength.yml@v0.8.0
     with:
       build: scripts/build_at.sh
       candidate: ${{ inputs.candidate }}
diff --git a/.github/workflows/batch.yml b/.github/workflows/batch.yml
index 271dea2..5c4c5e2 100644
--- a/.github/workflows/batch.yml
+++ b/.github/workflows/batch.yml
@@ -189,7 +189,7 @@ jobs:
           fetch-depth: 0
           persist-credentials: false
 
-      - uses: aywrite/mache/actions/setup@v0.7.1
+      - uses: aywrite/mache/actions/setup@v0.8.0
         id: tools
         with:
           book_table: ${{ inputs.book_table }}
@@ -221,7 +221,7 @@ jobs:
               || { echo "::error::${BUILD} left no runnable ${binary}"; exit 1; }
           done
 
-      - uses: aywrite/mache/actions/play-shard@v0.7.1
+      - uses: aywrite/mache/actions/play-shard@v0.8.0
         id: play
         with:
           candidate: ${{ inputs.candidate_name }}
@@ -353,7 +353,7 @@ jobs:
           persist-credentials: false
 
       # no harness to build and no book to fetch: this job only reads games
-      - uses: aywrite/mache/actions/setup@v0.7.1
+      - uses: aywrite/mache/actions/setup@v0.8.0
         with:
           estimator_only: true
 
@@ -362,7 +362,7 @@ jobs:
           pattern: ${{ env.ARTIFACTS }}-shard-*
           path: shards
 
-      - uses: aywrite/mache/actions/summarise-match@v0.7.1
+      - uses: aywrite/mache/actions/summarise-match@v0.8.0
         id: summary
         with:
           games: shards
diff --git a/.github/workflows/calibrate.yml b/.github/workflows/calibrate.yml
index 8f5bcfc..5eed279 100644
--- a/.github/workflows/calibrate.yml
+++ b/.github/workflows/calibrate.yml
@@ -131,14 +131,14 @@ jobs:
           fetch-depth: 0
           persist-credentials: false
 
-      - uses: aywrite/mache/actions/resolve-ref@v0.7.1
+      - uses: aywrite/mache/actions/resolve-ref@v0.8.0
         id: candidate
         with:
           ref: ${{ inputs.candidate }}
           label: candidate
           when_empty: head
 
-      - uses: aywrite/mache/actions/plan-ladder@v0.7.1
+      - uses: aywrite/mache/actions/plan-ladder@v0.8.0
         id: plan
         with:
           games: ${{ inputs.games }}
@@ -177,7 +177,7 @@ jobs:
           fetch-depth: 0
           persist-credentials: false
 
-      - uses: aywrite/mache/actions/setup@v0.7.1
+      - uses: aywrite/mache/actions/setup@v0.8.0
         id: tools
         with:
           book_table: ${{ inputs.book_table }}
@@ -212,7 +212,7 @@ jobs:
             || { echo "::error::cannot build ${OPPONENT}"; exit 1; }
           ls -l "tools/${OPPONENT}"
 
-      - uses: aywrite/mache/actions/play-shard@v0.7.1
+      - uses: aywrite/mache/actions/play-shard@v0.8.0
         id: play
         with:
           candidate: ${{ inputs.engine_name }}
@@ -320,7 +320,7 @@ jobs:
         with:
           persist-credentials: false
 
-      - uses: aywrite/mache/actions/setup@v0.7.1
+      - uses: aywrite/mache/actions/setup@v0.8.0
         with:
           estimator_only: true
 
@@ -329,7 +329,7 @@ jobs:
           pattern: ${{ inputs.artifact_prefix }}-${{ github.run_id }}-${{ github.run_attempt }}-*
           path: rungs
 
-      - uses: aywrite/mache/actions/summarise-gauntlet@v0.7.1
+      - uses: aywrite/mache/actions/summarise-gauntlet@v0.8.0
         id: estimate
         with:
           games: rungs
diff --git a/.github/workflows/strength.yml b/.github/workflows/strength.yml
index 920d7fd..5554afe 100644
--- a/.github/workflows/strength.yml
+++ b/.github/workflows/strength.yml
@@ -214,14 +214,14 @@ jobs:
             exit 1
           fi
 
-      - uses: aywrite/mache/actions/resolve-ref@v0.7.1
+      - uses: aywrite/mache/actions/resolve-ref@v0.8.0
         id: candidate
         with:
           ref: ${{ inputs.candidate }}
           label: candidate
           when_empty: head
 
-      - uses: aywrite/mache/actions/resolve-ref@v0.7.1
+      - uses: aywrite/mache/actions/resolve-ref@v0.8.0
         id: baseline
         with:
           ref: ${{ inputs.baseline }}
@@ -233,7 +233,7 @@ jobs:
         if: steps.baseline.outputs.sha == ''
         run: echo "::notice::No previous release to compare against, skipping"
 
-      - uses: aywrite/mache/actions/plan-shards@v0.7.1
+      - uses: aywrite/mache/actions/plan-shards@v0.8.0
         id: plan
         with:
           games: ${{ inputs.games }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa4349b..8c535ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.8.0] - 2026-10-08
+
+### Features
+
+- *(action)* Give play-shard an optional clock for the candidate alone
+
 ## [0.7.1] - 2026-09-30
 
 ### Development
diff --git a/README.md b/README.md
index 5bc8433..9ad0525 100644
--- a/README.md
+++ b/README.md
@@ -108,7 +108,7 @@ runner. It suits a repository that plays its own matches and only wants them
 pooled:
 
 ```yaml
-- uses: aywrite/mache@v0.7.1
+- uses: aywrite/mache@v0.8.0
   with:
     pgn: shards/**/games.pgn
     candidate: new
diff --git a/docs/QUICKSTART.md b/docs/QUICKSTART.md
index 492fdb7..dde5df7 100644
--- a/docs/QUICKSTART.md
+++ b/docs/QUICKSTART.md
@@ -99,7 +99,7 @@ permissions:
 
 jobs:
   match:
-    uses: aywrite/mache/.github/workflows/strength.yml@v0.7.1
+    uses: aywrite/mache/.github/workflows/strength.yml@v0.8.0
     with:
       build: scripts/build_at.sh
       candidate: ${{ inputs.candidate }}
@@ -107,9 +107,9 @@ jobs:
       games: ${{ inputs.games }}
 ```
 
-`@v0.7.1` is the version of mache you're running. Pin a release rather than
+`@v0.8.0` is the version of mache you're running. Pin a release rather than
 `main`, so your results don't change under you. You can pin the commit the
-release is tagged at instead (`@<sha> # v0.7.1`), but the actions it calls are
+release is tagged at instead (`@<sha> # v0.8.0`), but the actions it calls are
 pinned by tag either way.
 
 Commit both files and push them to your default branch. GitHub only shows the
diff --git a/examples/sprt.yml b/examples/sprt.yml
index 3bbc7d1..8a938cf 100644
--- a/examples/sprt.yml
+++ b/examples/sprt.yml
@@ -22,7 +22,7 @@ permissions:
 
 jobs:
   test:
-    uses: aywrite/mache/.github/workflows/strength.yml@v0.7.1
+    uses: aywrite/mache/.github/workflows/strength.yml@v0.8.0
     with:
       build: scripts/build_at.sh
       candidate: ${{ inputs.candidate }}
diff --git a/examples/strength.yml b/examples/strength.yml
index d79c94d..7f590aa 100644
--- a/examples/strength.yml
+++ b/examples/strength.yml
@@ -22,7 +22,7 @@ permissions:
 
 jobs:
   match:
-    uses: aywrite/mache/.github/workflows/strength.yml@v0.7.1
+    uses: aywrite/mache/.github/workflows/strength.yml@v0.8.0
     with:
       build: scripts/build_at.sh
       candidate: ${{ inputs.candidate }}
diff --git a/mache/__init__.py b/mache/__init__.py
index eb3d29d..31e2c83 100644
--- a/mache/__init__.py
+++ b/mache/__init__.py
@@ -9,7 +9,7 @@
 the terminations count as well as the fit.
 """
 
-__version__ = "0.7.1"
+__version__ = "0.8.0"
 
 # The version of the --json shape, and the one thing every --json object says
 # about itself. It is 1 because the shape is released: a tagged version is what