René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"After updated to 1.8.1, the cursor sometimes misaligned with notes.","articleBody":"### Is there an existing issue for this?\n\n- [x] I have searched the existing issues\n\n### Current Behavior\n\nSometimes the cursor misaligned with notes.\n\nPS: GitHub muted video by default, unmuting may be able to sense the issue easier.\n\nhttps://github.com/user-attachments/assets/2b3ec5b5-e2d5-4249-8d65-cc52d9bea57f\n\n### Expected Behavior\n\nIt was fine in 1.6.X, 1.7.X, 1.8.0. The cursor should always aligned to notes.\n\nhttps://github.com/user-attachments/assets/dcc98fd5-7d62-4878-a43b-3f63959c05e6\n\n### Steps To Reproduce\n\nUpdate: I have setup an instance, in case you don't want to install deno, see https://github.com/CoderLine/alphaTab/issues/2546#issuecomment-3846683191\n\nI think my AlphaTab is heavily modified, so I think the best way to reproduce is directly using my project.\n\n```bash\ngit clone https://github.com/louislam/its-mytabs\ncd its-mytabs\ngit checkout dev-alphatab181\ndeno task setup\ndeno task start\n```\n\n- Go to http://localhost:47777\n- Play the demo tab\n- You should see the issue\n\n\nFor reference, you can switch back to AlphaTab 1.8.0 (master branch) for comparison:\n\n```bash\ngit checkout master\ndeno task setup\ndeno task start\n```\n\nAlso here is the bass tab Guitar Pro file:\nhttps://github.com/louislam/its-mytabs/blob/master/extra/demo-tab.gp\n\n### Link to jsFiddle, CodePen, Project\n\nhttps://github.com/louislam/its-mytabs\n\n### Version and Environment\n\nOS: Windows 11\nTested on Chrome and Firefox\n\n```bash\n[AlphaTab][VersionInfo] alphaTab 1.8.1 alphaTab-4zmP5fZN.js:1:11392\n[AlphaTab][VersionInfo] commit: 8a2102fe7ee7dcf4b50c3a4198fbb8c0d5c0fda3 alphaTab-4zmP5fZN.js:1:11392\n[AlphaTab][VersionInfo] build date: 2026-02-01T19:53:46.853Z alphaTab-4zmP5fZN.js:1:11392\n[AlphaTab][VersionInfo] High DPI: 1.25 alphaTab-4zmP5fZN.js:1:11392\n[AlphaTab][VersionInfo] Platform: BrowserModule alphaTab-4zmP5fZN.js:1:11392\n[AlphaTab][VersionInfo] WebPack: false alphaTab-4zmP5fZN.js:1:11392\n[AlphaTab][VersionInfo] Vite: false alphaTab-4zmP5fZN.js:1:11392\n[AlphaTab][VersionInfo] Browser: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:147.0) Gecko/20100101 Firefox/147.0 alphaTab-4zmP5fZN.js:1:11392\n[AlphaTab][VersionInfo] Window Size: 2062x1118 alphaTab-4zmP5fZN.js:1:11392\n[AlphaTab][VersionInfo] Screen Size: 2048x1152\n```\n\n### Platform\n\nWeb\n\n### Anything else?\n\nI suspected it is related to this #2536","author":{"url":"https://github.com/louislam","@type":"Person","name":"louislam"},"datePublished":"2026-02-03T17:09:24.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":12},"url":"https://github.com/2546/alphaTab/issues/2546"}