René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: layout=compressed conflict with suptitle","articleBody":"### Bug summary\n\nI used layout=compressed to align colorbar and figure, but after I added fig.suptitle the colorbar is not aligned\n\n### Actual outcome\n\nIf I do not add \"fig.suptitle\", the colorbar is aligned with the subfigure\n\n\u003cimg width=\"800\" height=\"400\" alt=\"Image\" src=\"https://github.com/user-attachments/assets/36e23394-6674-4895-8e94-24c8cde58094\" /\u003e\n\n```Python\nimport matplotlib.pyplot as plt\nimport numpy as np\n\narr = np.arange(100).reshape((10, 10))\nfig, ax = plt.subplots(ncols=2, figsize=(4, 2), layout='compressed')\nim0 = ax[0].imshow(arr)\nim1 = ax[1].imshow(arr)\n\nplt.colorbar(im0, ax=ax[0])\nplt.colorbar(im1, ax=ax[1])\nplt.show()\n```\n\nIf I add \"fig.suptitle\", the colorbar is slightly longer than the subfigure\n\n\u003cimg width=\"800\" height=\"400\" alt=\"Image\" src=\"https://github.com/user-attachments/assets/e927febc-f9d8-4734-a86f-d1846eb0128e\" /\u003e\n\n```\nimport matplotlib.pyplot as plt\nimport numpy as np\n\narr = np.arange(100).reshape((10, 10))\nfig, ax = plt.subplots(ncols=2, figsize=(4, 2), layout='compressed')\nim0 = ax[0].imshow(arr)\nim1 = ax[1].imshow(arr)\n\nplt.colorbar(im0, ax=ax[0])\nplt.colorbar(im1, ax=ax[1])\nfig.suptitle('Title')\nplt.show()\n```\n\n### Expected outcome\n\nIf I do not add \"fig.suptitle\", the colorbar should still aligned to the subfigure, while added a title above them\n\n\n### Matplotlib Version\n\n3.10.3\n","author":{"url":"https://github.com/Firestar-Reimu","@type":"Person","name":"Firestar-Reimu"},"datePublished":"2025-08-26T07:51:31.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/30472/matplotlib/issues/30472"}