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I've upgraded from emacs 27.2 to 28.1 and suddenly see a lot of files like ...~undo-tree~ in my project. It seems that it's pretty normal: And I have added the pattern to my global gitignore. But I'm wondering what has changed and if the previous version had a configuration that stored this files elsewhere?


Undo-tree defaults have changed. To write these files to the cache directory instead, add the following to dotspacemacs/user-config in the Spacemacs configuration file

(setq undo-tree-history-directory-alist '(("." . "~/.emacs.d./.cache")))
Background discuss


I updated Spacemacs today and its writing files to ~/.emacs.d/.cache/undo-tree-history/ directory, so the above configuration should not be needed


Great, thanks John!


Hey - do you know how to make spacemacs/jump-to-defintiion-other-window (and other stuff like that) split vertically (new window on the right) rather than horizontally?