Friday, August 8, 2014

vim-7.4.389 UI extremely sluggish with custom syntax highlighting plugins

It looks like some change between 7.4.316 and 7.4.389 has made vim extremely sluggish when just scrolling around in files if the vim-indent-guides plugin is installed: https://github.com/nathanaelkane/vim-indent-guides/issues/75. This plugin does custom syntax highlighting, which may be a little dirty, but it's surprising that performance got so much worse all the sudden.

Were there any recent changes to vim's syntax highlighting that might account for the lag? Would it be possible to fix the regression, or revert the offending change until it can be implemented in a more performant way?

David

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