v4.0.0rc1: Initial draft release

What's Changed

• DM-45573: Add magnitude limit from exposure summary stats by @kadrlica in #258
• DM-46768: Fix typo to rerun GHA by @mfisherlevine in #260
• DM-46273: Add Python packaging with ResourcePath support by @JeremyMcCormick in #263
• DM-46895: Add missing ConsDB schemas by @JeremyMcCormick in #262
• DM-41867: Add improvements to schema browser by @JeremyMcCormick in #256
• DM-46933: Remove references to STREAK mask by @TallJimbo in #264
• DM-46982: Add toggle for table pagination by @JeremyMcCormick in #265
• DM-47002: Add pixelScale and PSF model delta metrics to ConsDB schemas by @laurenam in #266
• DM-47069: Add EUPS config to sdm_schemas for resource path support by @JeremyMcCormick in #269
• DM-47044: Update units for ComCam quicklook schemas by @kadrlica in #271
• DM-46681: Update extendedness field description by @abudlong in #270
• DM-47147: Move YAML files into Python source tree by @JeremyMcCormick in #272
• Revert addition of extendedness column to imsim by @JeremyMcCormick in #273
• DM-47308: Increment minor version of cdb_lsstcomcam and add electron UCDs by @kadrlica in #274
• Fix lsst versions support by @JeremyMcCormick in #275
• DM-47403: Fix problems in GitHub build workflow by @JeremyMcCormick in #276
• DM-46681-fixup: Add extendedness column to imsim by @abudlong in #280
• Move mount, jitter, to exposure_quicklook by @Vebop in #284
• DM-46991: Drop calib_detected from Source schemas. by @TallJimbo in #285
• DM-47060: Add attempted dipole classification of object to APDB by @abudlong in #279
• DM-48009: Revert #279 "Add attempted dipole classification of object to APDB" by @isullivan in #289
• DM-46158: Add workflow to perform schema comparisons and check for changes to deployed schemas by @JeremyMcCormick in #277
• DM-47844: Add workflow that runs extra validation checks by @JeremyMcCormick in #287
• DM-48013: Add contribution guide and pull request template by @JeremyMcCormick in #291

New Contributors

• @mfisherlevine made their first contribution in #260
• @abudlong made their first contribution in #270
• @Vebop made their first contribution in #284

Full Changelog: v3.3.0...v4.0.0rc1