diff --git a/build-constraints.yaml b/build-constraints.yaml
index e8f5653d..f542f0db 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -8,6 +8,9 @@ cabal-format-version: "2.2"
 # Constraints for brand new builds
 packages:
 
+    "Erik Schnetter <schnetter@gmail.com> @eschnett": 
+        - mpi-hs < 0 # https://github.com/commercialhaskell/stackage/issues/4068
+
     "Yang Bo <pop.atry@gmail.com> @Atry":
         - control-dsl
 
@@ -1118,7 +1121,7 @@ packages:
         - netwire
         - netwire-input
         - netwire-input-glfw
-        - yoga < 0 # `gcc' failed in phase `C Compiler'. (Exit code: 1) https://github.com/Mokosha/yoga-hs/issues/2
+        - yoga
         - freetype2
         - HCodecs
 
@@ -1264,7 +1267,7 @@ packages:
         - HaskellNet-SSL
 
     "Jens Petersen <juhpetersen@gmail.com> @juhp":
-        # - cabal-rpm
+        - cabal-rpm
         - fedora-haskell-tools
         - rpmbuild-order
         - simple-cmd
@@ -1403,14 +1406,15 @@ packages:
         - kleene
         - lattices
         - microstache
-        # - monad-http # http-types 0.12
         - OneTuple
         - postgresql-simple-url
         - range-set-list
         - regex-applicative-text
         - servant-dhall
         - servant-swagger-ui
-        # - servant-yaml # yaml-0.9.0 commercialhaskell/stackage#3823
+        - servant-swagger-ui-core
+        - servant-swagger-ui-redoc
+        - servant-yaml
         - singleton-bool
         - spdx < 0 # GHC 8.4 via base-4.11.0.0
         - splitmix
@@ -1683,6 +1687,7 @@ packages:
     "Andres Löh <andres@well-typed.com> @kosmikus":
         - generics-sop
         - records-sop
+        - sop-core
 
     "Vivian McPhail <haskell.vivian.mcphail@gmail.com> @amcphail":
         - hmatrix-gsl-stats
@@ -2339,7 +2344,6 @@ packages:
         - html-entity-map
         - mmark-cli
         - ghc-syntax-highlighter
-        - facts
 
     "Emmanuel Touzery <etouzery@gmail.com> @emmanueltouzery":
         - app-settings
@@ -3635,6 +3639,9 @@ packages:
     "Takenobu Tani <takenobu.hs@gmail.com> @takenobu-hs":
         - ghci-hexcalc
 
+    "Nikos Karagianndis <nkarag@gmail.com> @nkarag":
+        - DBFunctor
+
     # If you stop maintaining a package you can move it here.
     # It will then be disabled if it starts causing problems.
     # See https://github.com/fpco/stackage/issues/1056
@@ -3696,7 +3703,6 @@ packages:
         # out of bounds
         - Agda < 0
         - Allure < 0
-        - DAV < 0
         - DRBG < 0
         - HTF < 0
         - HaTeX < 0
@@ -3707,8 +3713,6 @@ packages:
         - JuicyPixels-extra < 0
         - JuicyPixels-scale-dct < 0
         - LambdaHack < 0
-        - MissingH < 0
-        - MusicBrainz < 0
         - Network-NineP < 0
         - QuasiText < 0
         - RSA < 0
@@ -3862,7 +3866,6 @@ packages:
         - cheapskate-highlight < 0
         - cheapskate-lucid < 0
         - check-email < 0
-        - cipher-aes < 0
         - cipher-aes128 < 0
         - cipher-blowfish < 0
         - cipher-camellia < 0
@@ -3876,7 +3879,6 @@ packages:
         - clash-prelude < 0
         - classy-prelude-yesod < 0
         - classyplate < 0
-        - clientsession < 0
         - closed < 0
         - code-builder < 0
         - codo-notation < 0
@@ -3888,18 +3890,12 @@ packages:
         - containers-unicode-symbols < 0
         - country < 0
         - cpphs < 0
-        - cprng-aes < 0
         - cql-io < 0
         - credential-store < 0
-        - crypto-cipher-tests < 0
-        - crypto-cipher-types < 0
-        - crypto-enigma < 0
         - crypto-pubkey < 0
         - crypto-pubkey-types < 0
-        - crypto-random < 0
         - cryptocipher < 0
         - cryptocompare < 0
-        - cryptohash < 0
         - cryptohash-cryptoapi < 0
         - cryptonite-conduit < 0
         - cryptonite-openssl < 0
@@ -4051,7 +4047,6 @@ packages:
         - hsx-jmacro < 0
         - hsyslog-udp < 0
         - http-client-openssl < 0
-        - http-media < 0
         - http-reverse-proxy < 0
         - http-streams < 0
         - hunit-dejafu < 0
@@ -4104,7 +4099,6 @@ packages:
         - language-c-quote < 0
         - language-puppet < 0
         - learn-physics < 0
-        - lens-labels < 0
         - line < 0
         - linked-list-with-iterator < 0
         - locators < 0
@@ -4115,7 +4109,6 @@ packages:
         - logging-effect-extra-file < 0
         - logging-effect-extra-handler < 0
         - lrucache < 0
-        - lucid < 0
         - lucid-extras < 0
         - mapquest-api < 0
         - marvin-interpolate < 0
@@ -4163,7 +4156,6 @@ packages:
         - oeis < 0
         - om-elm < 0
         - online < 0
-        - opensource < 0
         - openssl-streams < 0
         - opml-conduit < 0
         - packdeps < 0
@@ -4173,14 +4165,8 @@ packages:
         - parallel-io < 0
         - partial-order < 0
         - perf < 0
-        - persistent < 0
-        - persistent-iproute < 0
-        - persistent-mysql < 0
         - persistent-mysql-haskell < 0
-        - persistent-postgresql < 0
         - persistent-refs < 0
-        - persistent-sqlite < 0
-        - persistent-template < 0
         - picosat < 0
         - pier < 0
         - pier-core < 0
@@ -4203,14 +4189,6 @@ packages:
         - postgresql-typed < 0
         - primitive-extras < 0
         - prometheus < 0
-        - proto-lens < 0
-        - proto-lens-arbitrary < 0
-        - proto-lens-combinators < 0
-        - proto-lens-optparse < 0
-        - proto-lens-protobuf-types < 0
-        - proto-lens-protoc < 0
-        - proto-lens-runtime < 0
-        - proto-lens-setup < 0
         - protocol-radius < 0
         - protocol-radius-test < 0
         - protolude < 0
@@ -4244,45 +4222,30 @@ packages:
         - sandi < 0
         - scalendar < 0
         - search-algorithms < 0
-        - securemem < 0
         - seqid < 0
         - seqid-streams < 0
         - serialise < 0
-        - servant < 0
         - servant-JuicyPixels < 0
         - servant-auth < 0
         - servant-auth-client < 0
         - servant-auth-docs < 0
         - servant-auth-server < 0
         - servant-auth-swagger < 0
-        - servant-blaze < 0
-        - servant-cassava < 0
         - servant-checked-exceptions < 0
         - servant-checked-exceptions-core < 0
-        - servant-client < 0
-        - servant-client-core < 0
         - servant-dhall < 0
-        - servant-docs < 0
         - servant-elm < 0
         - servant-exceptions < 0
-        - servant-foreign < 0
         - servant-github-webhook < 0
-        - servant-js < 0
         - servant-kotlin < 0
-        - servant-lucid < 0
-        - servant-mock < 0
         - servant-pandoc < 0
         - servant-quickcheck < 0
         - servant-rawm < 0
         - servant-ruby < 0
-        - servant-server < 0
         - servant-static-th < 0
         - servant-streaming < 0
         - servant-streaming-client < 0
         - servant-streaming-server < 0
-        - servant-swagger < 0
-        - servant-swagger-ui < 0
-        - servant-swagger-ui-core < 0
         - servant-tracing < 0
         - servant-websockets < 0
         - serverless-haskell < 0
@@ -4294,7 +4257,6 @@ packages:
         - shake-language-c < 0
         - shikensu < 0
         - simplest-sqlite < 0
-        - slack-web < 0
         - slave-thread < 0
         - smtp-mail < 0
         - snap-blaze < 0
@@ -4312,13 +4274,11 @@ packages:
         - static-text < 0
         - stm-containers < 0
         - stm-hamt < 0
-        - store < 0
         - stratosphere < 0
         - stringsearch < 0
         - strive < 0
         - summoner < 0
         - svg-builder < 0
-        - swagger2 < 0
         - swish < 0
         - tasty-dejafu < 0
         - tasty-stats < 0
@@ -4359,7 +4319,6 @@ packages:
         - vector-space < 0
         - vectortiles < 0
         - versions < 0
-        - wai-app-static < 0
         - wai-cli < 0
         - wai-middleware-caching-lru < 0
         - wai-middleware-consul < 0
@@ -4397,14 +4356,12 @@ packages:
         - yesod-auth-fb < 0
         - yesod-auth-hashdb < 0
         - yesod-bin < 0
-        - yesod-core < 0
         - yesod-csp < 0
         - yesod-eventsource < 0
         - yesod-fb < 0
         - yesod-form < 0
         - yesod-form-bootstrap4 < 0
         - yesod-gitrepo < 0
-        - yesod-gitrev < 0
         - yesod-newsfeed < 0
         - yesod-paginator < 0
         - yesod-persistent < 0
@@ -4419,7 +4376,6 @@ packages:
         - ClustalParser < 0
         - Fin < 0
         - HPDF < 0
-        - apecs < 0
         - broadcast-chan < 0
         - df1 < 0
         - di-handle < 0
@@ -4436,7 +4392,6 @@ packages:
         - large-hashable < 0
         - libmpd < 0
         - llvm-hs-pretty < 0
-        - matrix-static < 0
         - med-module < 0
         - monad-recorder < 0
         - multistate < 0
@@ -4482,8 +4437,17 @@ packages:
         - stache
         - neat-interpolation < 0.3.2.3
 
-        # https://github.com/commercialhaskell/stackage/issues/4047
-        - statistics < 0.15
+        # https://github.com/commercialhaskell/stackage/issues/4053
+        - yaml < 0.11
+
+        # https://github.com/commercialhaskell/stackage/issues/4056
+        - postgresql-simple < 0.6
+
+        # https://github.com/commercialhaskell/stackage/issues/4066
+        - generics-sop < 0.4.0.0
+
+        # https://github.com/commercialhaskell/stackage/issues/4067
+        - hsinstall < 2
 
 # end of packages
 
@@ -4707,6 +4671,8 @@ skipped-tests:
     - validation # hedgehog 0.6
     - vector # QuickCheck-2.11.3
     - zlib # tasty-quickcheck, tasty-hunit, tasty
+    - MissingH # testpack, quickcheck
+    - DBFunctor # missing file test_options.csv
 
     # Blocked due to tests failing to compile for GHC 8.6
     - async-refresh
@@ -4756,7 +4722,6 @@ skipped-tests:
     - skylighting-core
     - speedy-slice
     - static-text
-    - store
     - structs
     - tomland
     - universum
@@ -4772,7 +4737,6 @@ skipped-tests:
 
     # Transitive outdated dependencies
     # These can also be checked for updates periodically.
-    - MissingH # via testpack https://github.com/jgoerzen/testpack/issues/11
     - o-clock # tasty 0.12 via tasty-hedgehog
     - options # ansi-terminal-0.8 via chell
     - path # via genvalidity genvalidity-property
@@ -4850,6 +4814,9 @@ skipped-tests:
     - time-parsers
     - vec
 
+    # test build is failing
+    - avro
+
     # Uses Cabal's "library internal" stanza feature
     - s3-signer
 # end of skipped-tests
@@ -5012,7 +4979,6 @@ expected-test-failures:
     - http-client-tls # https://github.com/snoyberg/http-client/issues/360
     - http-link-header # https://github.com/myfreeweb/http-link-header/issues/7
     - mmark # https://github.com/commercialhaskell/stackage/issues/3906#issuecomment-413061849
-    - servant-swagger # https://github.com/haskell-servant/servant-swagger/issues/89
     - unicode-show # https://github.com/nushio3/unicode-show/issues/2
     - wreq
     - xml-picklers # https://github.com/Philonous/xml-picklers/issues/5
@@ -5033,7 +4999,6 @@ expected-test-failures:
     - pkcs10 # https://github.com/fcomb/pkcs10-hs/issues/2
     - sourcemap # https://github.com/chrisdone/sourcemap/issues/3
     - squeal-postgresql # https://github.com/fpco/stackage/issues/3180
-    - store # https://github.com/fpco/store/issues/125
     - text-icu # https://github.com/bos/text-icu/issues/32
     - text-ldap # https://github.com/khibino/haskell-text-ldap/issues/1
     - tls # https://github.com/vincenthz/hs-tls/issues/247
@@ -5481,7 +5446,6 @@ tell-me-when-its-released:
 - freer-effects-0.3.0.1 # re-enable extensible benchmarks
 - hoopl-3.10.2.2 # reenable tests, https://github.com/haskell/hoopl/issues/50
 - point-octree-0.5.5.3 # re-enable test and then we can resolve https://github.com/fpco/lts-haskell/issues/27
-- store-0.5.0 # remove from skipped-tests, https://github.com/fpco/store/issues/125
 - yarr-1.4.0.2 # Re-enable package https://github.com/fpco/stackage/issues/1876
 
 # Packages which should be hidden after registering, to avoid module name
diff --git a/debian-bootstrap.sh b/debian-bootstrap.sh
index b128b0e0..322a6a43 100755
--- a/debian-bootstrap.sh
+++ b/debian-bootstrap.sh
@@ -99,6 +99,7 @@ apt-get install -y \
     liboath-dev \
     libnotify-dev \
     libopenal-dev \
+    libopenmpi-dev \
     libpango1.0-dev \
     libpcap0.8-dev \
     libpq-dev \