[twconfig] Set default value for "interface" to 0.0.0.0 This value means "all IP addresses on this host", which seems to fit with "default to everywhere" that's documented. Closes #15135610.

[session] Allow self._open to be False in __enter__ I do not understand why this assertion was there in the first place. And currently, it makes running any migration impossible. Hopefully, someone may be able to explain. See also commit b48020a80dc3 which mentions this assertion and suggests to remove it.

[pkg] Warn about "develop" command not installing legacy cubes directory Not sure we can do better than a warning, which is better than nothing anyways. Closes #15785635.

[pkg] Cleanup MANIFEST.in from non-matching entries This cleans up output of setup.py executions.

[devtools] make i18ncube customizable in a cube closes #15613724

[rql2sql] Drop deprecated __docformat__ it causes flake8 error on some of its versions.

[rql2sql] Handle comparison of eid on variables from an subquery We don't want to force using 'identity' in this case which may be easily handled by detecting variable is a `ColumnAlias` and relation is 'eid'. Closes #15393583

Take care that cnx may not be set in error view

[autoform] Ease overriding of inlined form renderer. Closes #15755515

[ldapfeed] Use new MetadataGenerator api instead of deprecated MetaGenerator