diff --git a/.github/workflows/lint-and-build.yml b/.github/workflows/lint-and-build.yml
new file mode 100644
index 00000000000..4d387cd64c9
--- /dev/null
+++ b/.github/workflows/lint-and-build.yml
@@ -0,0 +1,22 @@
+name: Lint & Build Custom Plotly.js
+on: [push]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+      - run: npm ci
+      - run: npm run lint
+      - run: npm run custom-bundle -- --traces pie,bar,sunburst,waterfall --transforms none
+      - id: get-short-sha
+        run: |
+          sha=$(echo ${{github.sha}} | cut -c-7)
+          echo "sha=$sha" >> $GITHUB_OUTPUT
+      - run: mv dist/plotly-custom.min.js dist/plotly-custom-${{steps.get-short-sha.outputs.sha}}.min.js
+      - uses: actions/upload-artifact@v4
+        with:
+          name: plotly-custom-${{steps.get-short-sha.outputs.sha}}.min.js
+          path: dist/plotly-custom-${{steps.get-short-sha.outputs.sha}}.min.js
diff --git a/.gitignore b/.gitignore
index 40e49228498..37e0a0bd2d4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,4 @@ tags
 !.npmignore
 !.eslintrc
 !.eslintignore
+!.github
\ No newline at end of file
diff --git a/src/components/modebar/buttons.js b/src/components/modebar/buttons.js
index 67bc00abf55..1e0300a8458 100644
--- a/src/components/modebar/buttons.js
+++ b/src/components/modebar/buttons.js
@@ -41,8 +41,10 @@ modeBarButtons.toImage = {
         var opts = gd._context.toImageButtonOptions || {};
         var format = opts.format || 'png';
         return format === 'png' ?
-            _(gd, 'Download plot as a png') : // legacy text
-            _(gd, 'Download plot'); // generic non-PNG text
+            // Overriding title; revert to "Download plot as a png" to support localization
+            _(gd, 'Download chart') : // legacy text
+            // Overriding title; revert to "Download plot" to support localization
+            _(gd, 'Download chart'); // generic non-PNG text
     },
     icon: Icons.camera,
     click: function(gd) {
diff --git a/src/traces/pie/plot.js b/src/traces/pie/plot.js
index 450b8c4a09f..4a8be486da8 100644
--- a/src/traces/pie/plot.js
+++ b/src/traces/pie/plot.js
@@ -167,7 +167,7 @@ function plot(gd, cdModule) {
                     if(textPosition === 'outside') {
                         transform = transformOutsideText(textBB, pt);
                     } else {
-                        transform = transformInsideText(textBB, pt, cd0);
+                        transform = transformInsideText(textBB, pt, cd0, fullLayout);
                         if(textPosition === 'auto' && transform.scale < 1) {
                             var newFont = Lib.ensureUniformFontSize(gd, trace.outsidetextfont);
 
@@ -635,7 +635,7 @@ function prerenderTitles(cdModule, gd) {
     }
 }
 
-function transformInsideText(textBB, pt, cd0) {
+function transformInsideText(textBB, pt, cd0, fullLayout) {
     var r = cd0.r || pt.rpx1;
     var rInscribed = pt.rInscribed;
 
@@ -660,6 +660,7 @@ function transformInsideText(textBB, pt, cd0) {
     var isTangential = orientation === 'tangential';
     var isRadial = orientation === 'radial';
     var isAuto = orientation === 'auto';
+    var isUniformModeHide = fullLayout.uniformtext.mode === 'hide';
 
     var allTransforms = [];
     var newT;
@@ -677,7 +678,7 @@ function transformInsideText(textBB, pt, cd0) {
                 if(key === 'tan') {
                     newT = calcTanTransform(textBB, r, ring, closestEdge, 0);
                 } else { // case of 'rad'
-                    newT = calcRadTransform(textBB, r, ring, closestEdge, Math.PI / 2);
+                    newT = calcRadTransform(textBB, r, ring, closestEdge, Math.PI / 2, isUniformModeHide);
                 }
                 newT.textPosAngle = angle;
 
@@ -723,7 +724,7 @@ function transformInsideText(textBB, pt, cd0) {
     }
 
     if(isAuto || isRadial) {
-        newT = calcRadTransform(textBB, r, ring, halfAngle, midAngle);
+        newT = calcRadTransform(textBB, r, ring, halfAngle, midAngle, isUniformModeHide);
         newT.textPosAngle = (pt.startangle + pt.stopangle) / 2;
         allTransforms.push(newT);
     }
@@ -738,15 +739,10 @@ function transformInsideText(textBB, pt, cd0) {
     var maxScale = 0;
     for(var k = 0; k < allTransforms.length; k++) {
         var s = allTransforms[k].scale;
-        if(maxScale < s) {
+        if(s - maxScale > 0.01) {
             maxScale = s;
             id = k;
         }
-
-        if(!isAuto && maxScale >= 1) {
-            // respect test order for non-auto options
-            break;
-        }
     }
     return allTransforms[id];
 }
@@ -760,7 +756,7 @@ function isCrossing(pt, angle) {
     );
 }
 
-function calcRadTransform(textBB, r, ring, halfAngle, midAngle) {
+function calcRadTransform(textBB, r, ring, halfAngle, midAngle, isUniformModeHide) {
     r = Math.max(0, r - 2 * TEXTPAD);
 
     // max size if text is rotated radially
@@ -768,7 +764,7 @@ function calcRadTransform(textBB, r, ring, halfAngle, midAngle) {
     var s = calcMaxHalfSize(a, halfAngle, r, ring);
     return {
         scale: s * 2 / textBB.height,
-        rCenter: calcRCenter(a, s / r),
+        rCenter: isUniformModeHide ? calcRingCenter(ring) : calcRCenter(a, s / r),
         rotate: calcRotate(midAngle)
     };
 }
@@ -790,6 +786,10 @@ function calcRCenter(a, b) {
     return Math.cos(b) - a * b;
 }
 
+function calcRingCenter(ring) {
+    return 1 - ring / 2;
+}
+
 function calcRotate(t) {
     return (180 / Math.PI * t + 720) % 180 - 90;
 }
diff --git a/src/traces/sunburst/plot.js b/src/traces/sunburst/plot.js
index 386dc1bf4ce..e83478c346e 100644
--- a/src/traces/sunburst/plot.js
+++ b/src/traces/sunburst/plot.js
@@ -275,7 +275,7 @@ function plotOne(gd, cd, element, transitionOpts) {
 
         // position the text relative to the slice
         var textBB = Drawing.bBox(sliceText.node());
-        pt.transform = transformInsideText(textBB, pt, cd0);
+        pt.transform = transformInsideText(textBB, pt, cd0, fullLayout);
         pt.transform.targetX = getTargetX(pt);
         pt.transform.targetY = getTargetY(pt);