[TYPO3-core] Breaking changes included in 4.5 leading to regressions

Oliver Hader oliver.hader at typo3.org
Thu Apr 19 13:21:33 CEST 2012

Hi Helmut,

Am 19.04.12 10:04, schrieb Helmut Hummel:
> Hi fellows,
> I know of at least three[1] changes that went into 4.5.x which are/ were
> breaking changes. Besides that both lead to regressions in the following
> bugfix releases.
> While we probably never can 100% sure to avoid regressions, we should
> certaintly be more careful when merging bugfixes in released versions.
> And of course we should stick to our own rules e.g. to not introdce DB
> changes in bugfix releases, or allowing additional SQL queries to fix a
> bug.
> Besides that, we should set up a rule that at least fixes for regression
> bugs *must* provide unit tests (if at all feasable), to try to avoid
> regressions from fixing regressions.

Fully agree on that. The pagetree issue seemed to be obvious but changed
database fields and the way things are stored. That's fine for new
versions - but especially not for the LTS version.

Oliver Hader
TYPO3 v4 Core Team Leader

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