1.6.0
DOC Fix broken ref (#30407)
MAINT replace enable_slep006 fixture by @config_context(enable_metadata_routing=True) (#30038)
MNT Add author/license note where missing and add the linter (#29477)
ENH remove _xfail_checks, pass directly to check runners, return structured output from check_estimator (#30149)
ENH move estimator type to tags (#30122)
API drop Tags.regressor_tags.multi_label (#30373)
DOC Add link to Quantile example in Gradient Boosting (#30266)
MAINT Remove setup.py mentions from documentation and comments (#29352)
MAINT move _estimator_has function to utils (#29319)
BLD Add Meson support (#28040)