This documents the various branches we've pruned and their HEAD value at the time of pruning 

|Commit|Branch Name|
|--|--|
|a26198da1811337fc41e30ee1c7fcdf97d8fae76|refs/remotes/origin/OptimizeFlowAnalysis|
|0f86e670c29af3cd2352ac2372303694261463cc|refs/remotes/origin/dev/dpoeschl/0f86e670|
|1af7ade35b8cea6c3c57243d6bec10f48a3cdf20|refs/remotes/origin/dev/dpoeschl/1af7ade|
|3bdbd56045a21888b9cdd70b420f8ff5b711da77|refs/remotes/origin/dev/dpoeschl/3bdbd56|
|4f1fb3f049d08d958b0baaa6528c79665b6e90bb|refs/remotes/origin/dev/dpoeschl/4f1fb3f|
|77fcd78710737c6d5f27f4767a35997d853d2100|refs/remotes/origin/dev/dpoeschl/77fcd78|
|902d608f3b8837728eac5bc3171a56e82cafd268|refs/remotes/origin/dev/dpoeschl/902d608|
|902d608f3b8837728eac5bc3171a56e82cafd268|refs/remotes/origin/dev/dpoeschl/902d608f|
|94aca843f09b84dd129f5e8719e26abb09e34d93|refs/remotes/origin/dev/dpoeschl/95aca84|
|b252adb7e108e504b5594373ba91e08b15aef43f|refs/remotes/origin/dev/dpoeschl/b252adb|
|b252adb7e108e504b5594373ba91e08b15aef43f|refs/remotes/origin/dev/dpoeschl/b252adb7|
|f7cdea80d4ad7b10ef3c3bde761551d1b75a5138|refs/remotes/origin/dev/jaredpar/fix-official|
|e7b4c9e4324537f158dfd1cc4dd17d883fec6e89|refs/remotes/origin/dev/jaredpar/fix-pack|
|6285f29c24b03e84b66d2c69241bd56f9f19c449|refs/remotes/origin/dev/jaredpar/fix-process|
|25cb2c3fd309e7337645f5e234356cfe4e3a48fe|refs/remotes/origin/dev/jaredpar/fix-publish|
|02ffde64be39a723e1be7d5196346fd10adc010d|refs/remotes/origin/dev/jaredpar/fix-queue|
|ce4496abee2461b1d0aaadff424bf38b3d8d72af|refs/remotes/origin/dev/jaredpar/fix-sign|
|358e3eae5e7d70b9ecceef4e7a4682b49a8af05b|refs/remotes/origin/dev/jorobich/publish-dotnet-format|
|a10cc5bdd7fd69610445ea7ffdc9f7f3b6da84a8|refs/remotes/origin/dev/jorobich/skip-enc-tests|
|558ab26a6e49a350f28ae5af603ab7dce3bcbb59|refs/remotes/origin/dev/jorobich/skip-verifypreviousandnexthistory|
|5df75b1993db2973a7e9642c5420d323957066f2|refs/remotes/origin/dev/jorobich/update-build-sdk|
|be512b6966d06ff9ad641def121294ec6feea243|refs/remotes/origin/dev/jorobich/update-cert|
|97967e2b6e5f26bf86ce50bc987bf12f25de8115|refs/remotes/origin/dev/jorobich/update-dependencies|
|b3049770412849428df6691341a7fbcddfb37ea5|refs/remotes/origin/dev/rigibson/cloudbuild-triage-1|
|020f1a2af79b5a3ac0b573f5d3770893191d91df|refs/remotes/origin/dev/rigibson/optprof-triage|
|dc15c56d6fa884462de17ec440b9718840966fa1|refs/remotes/origin/dev/sharwell/vs-threading-analyzers|
|dcd571259aed1e4441f87a308305d3e29d2b3136|refs/remotes/origin/dev/shech/localization|
|3b369f41d440eb3fca98859b1ecd2678cd0331c1|refs/remotes/origin/dev15-rc2|
|b7d3e5b3527463259f9c5ac5817b3461200aff34|refs/remotes/origin/dev15-rc3|
|8f02e04893c4b53cf6ca11b064848888365914d3|refs/remotes/origin/dev15.3-preview1|
|3722bb710cae2b542cc2004aacd5ac21836592a4|refs/remotes/origin/dev15.3-preview2|
|291228b08260e8ca2d83368cace16c5f81d783ce|refs/remotes/origin/dev15.5-preview1-staging|
|4939752b756ad32cb2ce1bfeab1d4f1637966e08|refs/remotes/origin/dev15.6-preview1-vs-deps|
|c9179f863872ab69b6ecf82c056e31d6b28b4c59|refs/remotes/origin/dev15.6-preview2|
|494bbc7b05c81632a53b7875321de852f5772a52|refs/remotes/origin/dev15.6-preview2-vs-deps|
|a213194a975b4fb7d3327997eaf2e5c4b046b425|refs/remotes/origin/dev15.6-preview3|
|d04459093177b0e083f8c83b18269d3a866e924e|refs/remotes/origin/dev15.6-preview3-vs-deps|
|77bf781f9842082f09ba60a375e00922d018e060|refs/remotes/origin/dev15.7-preview1|
|1c225824f784723b351183e38cae410a920ccb02|refs/remotes/origin/dev15.7-preview1-vs-deps|
|25e40f0169a8047b7d3524b30339f89b3b428551|refs/remotes/origin/dev15.7-preview3|
|dcb76074e823074e0244631a99c114bf564aea4d|refs/remotes/origin/dev15.7-preview3-vs-deps|
|0c47f55c9b3d83f218af1535638d7a97551bbc9d|refs/remotes/origin/dev15.8-preview4|
|6ebf816edcd56f60277d1aa2500aa123565f43e4|refs/remotes/origin/dev15.8-preview4-vs-deps|
|567062dbe394c983861cb27b337b0a7f3b044638|refs/remotes/origin/dev15.9-preview1|
|8ea354e01fd4c1eefcbc62646ff24857f986e1b3|refs/remotes/origin/dev15.9-preview1-vs-deps|
|6f8f466fe841045827a068cda01870fa408c094c|refs/remotes/origin/dev15.9-preview2|
|e8e91648afe095b019b5347a2b1d0dca5696cbf1|refs/remotes/origin/dev15.9-preview2-vs-deps|
|0816fdc029f0f4b973ac6cbf08c398e91aa593e6|refs/remotes/origin/dev15.9-preview3|
|750236a7562d8fd0d5efe311c52ae0703093165f|refs/remotes/origin/dev15.9-preview3-vs-deps|
|7ae99c29074e5c3b69a761a0a94f9fd05d02c127|refs/remotes/origin/dev16.0-preview2|
|231aeb8be8357239499d45c0574e5a9a8c9174f0|refs/remotes/origin/dev16.0-preview2-vs-deps|
|5f1828a597d7bb5c50057fa6a3177ee27344b655|refs/remotes/origin/dev16.0-preview3|
|9ad945d6557416a83d1e6efea0e75b7e40786cd0|refs/remotes/origin/dev16.0-preview3-vs-deps|
|8c8228f836415435319ce6331d9baa592595f958|refs/remotes/origin/dev16.1-preview1|
|0d0406b2be22b6a544c77c3ee868ad8065765e96|refs/remotes/origin/dev16.1-preview2|
|c2ec4d9f980971823190ece3a158c398900944bf|refs/remotes/origin/dev16.1-preview3|
|d7c19ee5956b9f7debdd139c6606c44c598794a7|refs/remotes/origin/features/AnnotatedTypes|
|aee400d17aff7118ae908f4e9cd717751ae2d996|refs/remotes/origin/features/DefaultInterfaceImplementation|
|66df38c26d56de3e475ec16e5bc911c58705caf4|refs/remotes/origin/features/ExpressionVariables|
|34142dc2956248669605b2dc2e23996e174b662c|refs/remotes/origin/features/IVTCompletionTests|
|def06e4bd7f53ab7989bd0c86505aac6f80d9e95|refs/remotes/origin/features/NegatedConditionStatements|
|14505f0f026c6c139fe46bc7fb83c7c2e907e0bc|refs/remotes/origin/features/dataflow|
|416f53042eedcbc5cd620c4cd02caaccb35dc8c3|refs/remotes/origin/features/nullable-common|
|d27cfde4f19a171aef088b87afa67e7c5af1121b|refs/remotes/origin/features/ref-partial|
|f0c9802f78c5d4965577975a7d772845c95528a4|refs/remotes/origin/features/ref-reassignment|
|56502b6a68c8f9be3a19a2dd350404957809c6b3|refs/remotes/origin/features/verification|
|fbfa64c8d43af45c4122759c01becd5638b08b8f|refs/remotes/origin/ide-dataflow-analyzer|
|d36bbf81ddde6b54fb10807ae9e14f10c76804a0|refs/remotes/origin/infrastructure/optprof|
|ca83e06a93c75cfaf602112487fd471ab9e748c9|refs/remotes/origin/netcore2.1-preview2|
|f2f0c3553fbb5974e2cc978210f71b2863bbcac2|refs/remotes/origin/release/dev16.2-preview1|
|3add46757cb3d5c7844d889af24fa905656cf574|refs/remotes/origin/release/dev16.2-preview2|
|42ddc197c9bf47ef73b74c644522945646bb6b1f|refs/remotes/origin/release/dev16.2-preview3|
|d5db676f73abef4cf8d0d80703eca0392a10d7e3|refs/remotes/origin/remove-lspSupport|
|83bebeb607cb55e8fcacc83210636ebe3a403f8d|refs/remotes/origin/revert-36006-extract_open_file_tracker|
|8cc031276414977b79e604c4e2cf9d6670a15783|refs/remotes/origin/simpletagnostic|