Hi, I've created a patch to allow adjusting the scale factor used for inline latex image fragments. This involves a customizable variable that can either be set to a scale factor (defaults to 1.0) or a function that evaluates to a scale factor. This feature is in addition to the existing scale factor adjustment capability provided by `org-preview-latex-process-alist' through `:image-size-adjust'. Wherease image-size-adjust performs scaling at the time of image generation, the new change performs it during display. This can lead to significant time saving and suffers no loss of quality for vector graphics. As an example of use, I have several functions for changing frame scaling. I've added (if (eq major-mode 'org-mode) (progn (org-clear-latex-preview) ;; 16 corresponds to the C-u C-u arg prefix. (org-latex-preview 16))) to these functions so that changing the frame scaling also correspondingly changes the latex preview/fragment scaling to match the new size of the surrounding text. Because of this new feature, this change is effectively instantaneous for reasonably numbers of overlays. Obviously, something similar could be done for `text-scale-adjust' (e.g., through `advice-add'). Feedback appreciated. Matt