This page is intended to make it easier for users who maintain custom apps/forks to migrate their installations to develop branch aka the nightly version. This page assumes that you're on v17.x.x-dev

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bleach replaced by nh3

If your custom app relies on the bleach library, you'll have to add it to your app's dependencies, as this has been replaced by nh3 in the develop branch. While the actual functionality was backported to v16, the library was left for those that may be reliant on it.

Stricter docstatus validation for non-submittable doctypes

Saving a non-submittable doctype with docstatus=1 now raises a DocstatusTransitionError. If you need to bypass this check, use the new flag:

doc.flags.skip_docstatus_validation = True
doc.save()

Reference: #37009