Is it possible to downgrade packages installed with ELPA?

余生长醉 提交于 2019-12-01 03:09:25

I second @lawlist's recommendation to (setq debug-on-error t) early in your ~/.emacs file. You can also use emacs --debug-init to get a similar result. This said, sometimes the kind of error you get here can also prevent the debugger from showing up. I recommend you M-x report-emacs-bug and describe the problem, along with any additional info you find, including the solution you found, if any.

As for downgrading a package, it's technically possible, but there is no UI support for it. And there's no log of package installs either. Please do mention this in the bug-report as well, since it's indeed a good idea to try and keep track of those things.

Sorry.

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