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This trick will speed-up django template significantly

https://docs.djangoproject.com/en/dev/ref/templates/api/#dja...

What do you lose by using djinja instead of the builtin template engine?

You primarily lose a few of the django filters, though they can all be implemented into the jinja filters if you need to

Wouldn't this also mean you have to re-implement any filters that come from third-party apps, too?

Benchmarks, please. I've yet to find a case where that was true in a real-world project outside of … dubious … designs where someone was using a dozen nested if/for blocks to avoid writing a templatetag.

In one memorable case, someone switched an entire site over to Jinja before doing any profiling – I reverted it and added select_related() to avoid doing 8,000 queries while generating the page.