From 4db72f5357b7e0ca2d1882219d423d1fb2529748 Mon Sep 17 00:00:00 2001
From: "renovate[bot]" <29139614+renovate[bot]@users.noreply.github.com>
Date: Mon, 18 Aug 2025 11:31:20 +0000
Subject: [PATCH 1/4] chore(deps): update peter-evans/create-pull-request
 digest to cb4d3bf

---
 .github/workflows/e2e-timings.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/e2e-timings.yml b/.github/workflows/e2e-timings.yml
index f4c28acad..2bbfa8412 100644
--- a/.github/workflows/e2e-timings.yml
+++ b/.github/workflows/e2e-timings.yml
@@ -58,7 +58,7 @@ jobs:
           echo "EOF" >> $GITHUB_OUTPUT
 
       - name: Commit and create pull request
-        uses: peter-evans/create-pull-request@1310d7dab503600742045e6fd4b84dda64352858
+        uses: peter-evans/create-pull-request@cb4d3bfce175d44325c6b7697f81e0afe8a79bdf
         with:
           add-paths: |
             cypress/timings.json

From c534d3d364813e068ef8779d9bad26f5a06d0c26 Mon Sep 17 00:00:00 2001
From: "autofix-ci[bot]" <114827586+autofix-ci[bot]@users.noreply.github.com>
Date: Mon, 18 Aug 2025 11:46:12 +0000
Subject: [PATCH 2/4] [autofix.ci] apply automated fixes

---
 docs/syntax/pie.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/syntax/pie.md b/docs/syntax/pie.md
index 6a2eefb27..fd5ec1db0 100644
--- a/docs/syntax/pie.md
+++ b/docs/syntax/pie.md
@@ -39,7 +39,7 @@ Drawing a pie chart is really simple in mermaid.
 
 **Note:**
 
-> Pie chart values must be **positive numbers greater than zero**.\
+> Pie chart values must be **positive numbers greater than zero**.
 > **Negative values are not allowed** and will result in an error.
 
 \[pie] \[showData] (OPTIONAL)

From d4c76968e97b3049e8975113fb4d9d244f41df43 Mon Sep 17 00:00:00 2001
From: darshanr0107 <darshan@mermaidchart.com>
Date: Thu, 21 Aug 2025 19:09:39 +0530
Subject: [PATCH 3/4] fix: correct rendering of bidirectional arrows with
 autonumber

on-behalf-of: @Mermaid-Chart <hello@mermaidchart.com>
---
 .../rendering/sequencediagram.spec.js         | 11 +++++++++
 .../src/diagrams/sequence/sequenceRenderer.ts | 24 ++++++++++++++++++-
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/cypress/integration/rendering/sequencediagram.spec.js b/cypress/integration/rendering/sequencediagram.spec.js
index f18e99abf..6709b557c 100644
--- a/cypress/integration/rendering/sequencediagram.spec.js
+++ b/cypress/integration/rendering/sequencediagram.spec.js
@@ -893,6 +893,17 @@ describe('Sequence diagram', () => {
         }
       );
     });
+
+    it('should handle bidirectional arrows with autonumber', () => {
+      imgSnapshotTest(`
+       sequenceDiagram
+       autonumber
+       participant A
+       participant B
+       A<<->>B: This is a bidirectional message
+       A->B: This is a normal message`);
+    });
+
     it('should support actor links and properties when not mirrored EXPERIMENTAL: USE WITH CAUTION', () => {
       //Be aware that the syntax for "properties" is likely to be changed.
       imgSnapshotTest(
diff --git a/packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts b/packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts
index cfba92b79..2c0d898ca 100644
--- a/packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts
+++ b/packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts
@@ -476,7 +476,29 @@ const drawMessage = async function (diagram, msgModel, lineStartY: number, diagO
 
   // add node number
   if (sequenceVisible || conf.showSequenceNumbers) {
-    line.attr('marker-start', 'url(' + url + '#sequencenumber)');
+    const isBidirectional =
+      type === diagObj.db.LINETYPE.BIDIRECTIONAL_SOLID ||
+      type === diagObj.db.LINETYPE.BIDIRECTIONAL_DOTTED;
+
+    if (isBidirectional) {
+      const SEQUENCE_NUMBER_RADIUS = 6;
+
+      if (startx < stopx) {
+        line.attr('x1', startx + 2 * SEQUENCE_NUMBER_RADIUS);
+      } else {
+        line.attr('x1', startx + SEQUENCE_NUMBER_RADIUS);
+      }
+    }
+
+    diagram
+      .append('line')
+      .attr('x1', startx)
+      .attr('y1', lineStartY)
+      .attr('x2', startx)
+      .attr('y2', lineStartY)
+      .attr('stroke-width', 0)
+      .attr('marker-start', 'url(' + url + '#sequencenumber)');
+
     diagram
       .append('text')
       .attr('x', startx)

From e0b45c2d2b41c2a9038bf87646fa3ccd7560eb20 Mon Sep 17 00:00:00 2001
From: darshanr0107 <darshan@mermaidchart.com>
Date: Thu, 21 Aug 2025 19:15:30 +0530
Subject: [PATCH 4/4] chore: added changeset

on-behalf-of: @Mermaid-Chart <hello@mermaidchart.com>
---
 .changeset/crazy-loops-matter.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/crazy-loops-matter.md

diff --git a/.changeset/crazy-loops-matter.md b/.changeset/crazy-loops-matter.md
new file mode 100644
index 000000000..e6377a9e5
--- /dev/null
+++ b/.changeset/crazy-loops-matter.md
@@ -0,0 +1,5 @@
+---
+'mermaid': patch
+---
+
+fix: Handle arrows correctly when auto number is enabled