DM-20573 Remove obs_lsstSim package from lsst_obs metapackage

• Done

DM-21711 Remove cameraGeom interfaces deprecated in DM-18610

• Done

DM-22192 Remove PixelScaleBoundedField

• Done

DM-22233 Remove astrometry_net_data dependency from pipe_tasks

• Done

DM-22469 Add fgcmcal documentation tree

• Done

DM-23085 Deprecate SourceDetectionTask.makeSourceCatalog

• Done

DM-23277 Update ImageDifferenceTask to remove v20 deprecation warnings

• Done

DM-23343 Mark Synpipe as deprecated

• Done

DM-23367 Create sketch of 20.0.0 release notes

• Done

DM-23369 Remove lsst.ip.isr.addDistortionModel

• Done

DM-23371 Remove lsst.obs.base.CameraMapper._extractAmpId

• Done

DM-23380 Remove lsst.fgcmcal.FgcmFitCycleConfig.pixelScale

• Done

DM-23651 ap_pipe calls some deprecated things

• Done

DM-24477 Check that the weekly selected for the 20.0.0 release is a valid starting point

• Done

DM-24565 Un-deprecate old APIs related to afw.math.Background

• Done

DM-24618 Fix leftover case warnings from FITS changes

• Done

DM-24712 fgcmcal does not build on macOS Catalina with new matplotlib

• Done

DM-24716 Remove obs_lsstSim from lsst_ci package

• Done

DM-24972 Switch to using an explicit export of conda packages

• Done

DM-25149 Fix w18 ISR regression

• Done

DM-25184 Make obs_subaru config overrides play nice with new jointcal filterMap config

• Done

DM-25210 Fix psfex regression in w18

• Done

DM-25216 ap_verify failure: ap_verify.py: error: no config field: diaPipe.doSerializeAlerts

• Done

DM-25221 Backport fixes to w_2020_22

• Done

DM-17566 Formally deprecate discouraged C++ afw/geom components

• Done

DM-23076 Mark SubtractBackgroundTask.fitBackground(..., algorithm=...) as deprecated

• Invalid