René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: canvas.manager.set_window_title does not work to figure with `WebAgg` backend","articleBody":"### Bug summary\n\ncanvas.manager.set_window_title does not work to figure with `WebAgg` backend (but MacOSX). the title is still `Figure 1` by default.\n\n### Code for reproduction\n\n```Python\nimport matplotlib.pyplot as plt\r\nimport numpy as np\r\nimport matplotlib\r\nmatplotlib.use(\"WebAgg\")\r\n\r\nfig = plt.figure(figsize=(7, 5))\r\nfig.canvas.manager.set_window_title(\"My figure\")\r\nax = fig.add_subplot(111)\r\n\r\ndx, dy = 0.05, 0.05\r\ny, x = np.mgrid[slice(1, 5 + dy, dy),\r\nslice(1, 5 + dx, dx)]\r\nz = np.sin(x)**10 + np.cos(10 + y*x) * np.cos(x)\r\n\r\ncf = ax.contourf(x + dx/2., y + dy/2., z)\r\nfig.colorbar(cf, ax=ax)\r\n\r\nplt.show()\n```\n\n\n### Actual outcome\n\n\u003cimg width=\"724\" alt=\"image\" src=\"https://github.com/user-attachments/assets/065b0b52-ec9e-44f6-85cd-86fb3a7486d4\"\u003e\r\n\n\n### Expected outcome\n\n\u003cimg width=\"709\" alt=\"image\" src=\"https://github.com/user-attachments/assets/4fec14df-fc6f-4f4e-bd01-db872f4c8250\"\u003e\r\n\n\n### Additional information\n\nit works in MacOSX backends\r\n\r\n\u003cimg width=\"700\" alt=\"image\" src=\"https://github.com/user-attachments/assets/6c4b67ef-28f3-46d7-ae65-532af995979f\"\u003e\r\n\n\n### Operating system\n\nmacOS Sequoia 15.1.1\n\n### Matplotlib Version\n\n3.9.3\n\n### Matplotlib Backend\n\nWebAgg\n\n### Python version\n\n3.12.7\n\n### Jupyter version\n\n_No response_\n\n### Installation\n\npip","author":{"url":"https://github.com/YongcaiHuang","@type":"Person","name":"YongcaiHuang"},"datePublished":"2024-12-08T08:19:23.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/29256/matplotlib/issues/29256"}