MINOR: [Release] Bump development versions to 7.0.0-SNAPSHOT (#11548)

* [Release] Update versions for 7.0.0-SNAPSHOT

* [Release] Update .deb package names for 7.0.0
diff --git a/c_glib/meson.build b/c_glib/meson.build
index 0e090c9..d5f8d66 100644
--- a/c_glib/meson.build
+++ b/c_glib/meson.build
@@ -23,7 +23,7 @@
           'cpp_std=c++11',
         ])
 
-version = '6.0.0-SNAPSHOT'
+version = '7.0.0-SNAPSHOT'
 if version.endswith('-SNAPSHOT')
   version_numbers = version.split('-')[0].split('.')
   version_tag = version.split('-')[1]
diff --git a/ci/scripts/PKGBUILD b/ci/scripts/PKGBUILD
index 246b679..f02ce4e 100644
--- a/ci/scripts/PKGBUILD
+++ b/ci/scripts/PKGBUILD
@@ -18,7 +18,7 @@
 _realname=arrow
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
-pkgver=5.0.0.9000
+pkgver=6.0.0.9000
 pkgrel=8000
 pkgdesc="Apache Arrow is a cross-language development platform for in-memory data (mingw-w64)"
 arch=("any")
diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
index 3c05f23..ea0eda4 100644
--- a/cpp/CMakeLists.txt
+++ b/cpp/CMakeLists.txt
@@ -47,7 +47,7 @@
   cmake_policy(SET CMP0074 NEW)
 endif()
 
-set(ARROW_VERSION "6.0.0-SNAPSHOT")
+set(ARROW_VERSION "7.0.0-SNAPSHOT")
 
 string(REGEX MATCH "^[0-9]+\\.[0-9]+\\.[0-9]+" ARROW_BASE_VERSION "${ARROW_VERSION}")
 
diff --git a/cpp/vcpkg.json b/cpp/vcpkg.json
index 723f3a4..d285d78e 100644
--- a/cpp/vcpkg.json
+++ b/cpp/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "arrow",
-  "version-string": "6.0.0-SNAPSHOT",
+  "version-string": "7.0.0-SNAPSHOT",
   "dependencies": [
     "abseil",
     {
diff --git a/csharp/Directory.Build.props b/csharp/Directory.Build.props
index c42ff55..3f8b021 100644
--- a/csharp/Directory.Build.props
+++ b/csharp/Directory.Build.props
@@ -29,7 +29,7 @@
     <Product>Apache Arrow library</Product>
     <Copyright>Copyright 2016-2019 The Apache Software Foundation</Copyright>
     <Company>The Apache Software Foundation</Company>
-    <Version>6.0.0-SNAPSHOT</Version>
+    <Version>7.0.0-SNAPSHOT</Version>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/dev/release/rat_exclude_files.txt b/dev/release/rat_exclude_files.txt
index b5268bb..afb25ff 100644
--- a/dev/release/rat_exclude_files.txt
+++ b/dev/release/rat_exclude_files.txt
@@ -69,51 +69,51 @@
 dev/tasks/linux-packages/apache-arrow/debian/libarrow-glib-doc.doc-base
 dev/tasks/linux-packages/apache-arrow/debian/libarrow-glib-doc.install
 dev/tasks/linux-packages/apache-arrow/debian/libarrow-glib-doc.links
-dev/tasks/linux-packages/apache-arrow/debian/libarrow-glib600.install
+dev/tasks/linux-packages/apache-arrow/debian/libarrow-glib700.install
 dev/tasks/linux-packages/apache-arrow/debian/libarrow-cuda-dev.install
 dev/tasks/linux-packages/apache-arrow/debian/libarrow-cuda-glib-dev.install
-dev/tasks/linux-packages/apache-arrow/debian/libarrow-cuda-glib600.install
-dev/tasks/linux-packages/apache-arrow/debian/libarrow-cuda600.install
+dev/tasks/linux-packages/apache-arrow/debian/libarrow-cuda-glib700.install
+dev/tasks/linux-packages/apache-arrow/debian/libarrow-cuda700.install
 dev/tasks/linux-packages/apache-arrow/debian/libarrow-dataset-dev.install
 dev/tasks/linux-packages/apache-arrow/debian/libarrow-dataset-glib-dev.install
 dev/tasks/linux-packages/apache-arrow/debian/libarrow-dataset-glib-doc.doc-base
 dev/tasks/linux-packages/apache-arrow/debian/libarrow-dataset-glib-doc.install
 dev/tasks/linux-packages/apache-arrow/debian/libarrow-dataset-glib-doc.links
-dev/tasks/linux-packages/apache-arrow/debian/libarrow-dataset-glib600.install
-dev/tasks/linux-packages/apache-arrow/debian/libarrow-dataset600.install
+dev/tasks/linux-packages/apache-arrow/debian/libarrow-dataset-glib700.install
+dev/tasks/linux-packages/apache-arrow/debian/libarrow-dataset700.install
 dev/tasks/linux-packages/apache-arrow/debian/libarrow-flight-dev.install
 dev/tasks/linux-packages/apache-arrow/debian/libarrow-flight-glib-dev.install
 dev/tasks/linux-packages/apache-arrow/debian/libarrow-flight-glib-doc.doc-base
 dev/tasks/linux-packages/apache-arrow/debian/libarrow-flight-glib-doc.install
 dev/tasks/linux-packages/apache-arrow/debian/libarrow-flight-glib-doc.links
-dev/tasks/linux-packages/apache-arrow/debian/libarrow-flight-glib600.install
-dev/tasks/linux-packages/apache-arrow/debian/libarrow-flight600.install
+dev/tasks/linux-packages/apache-arrow/debian/libarrow-flight-glib700.install
+dev/tasks/linux-packages/apache-arrow/debian/libarrow-flight700.install
 dev/tasks/linux-packages/apache-arrow/debian/libarrow-python-dev.install
 dev/tasks/linux-packages/apache-arrow/debian/libarrow-python-flight-dev.install
-dev/tasks/linux-packages/apache-arrow/debian/libarrow-python-flight600.install
-dev/tasks/linux-packages/apache-arrow/debian/libarrow-python600.install
-dev/tasks/linux-packages/apache-arrow/debian/libarrow600.install
+dev/tasks/linux-packages/apache-arrow/debian/libarrow-python-flight700.install
+dev/tasks/linux-packages/apache-arrow/debian/libarrow-python700.install
+dev/tasks/linux-packages/apache-arrow/debian/libarrow700.install
 dev/tasks/linux-packages/apache-arrow/debian/libgandiva-dev.install
 dev/tasks/linux-packages/apache-arrow/debian/libgandiva-glib-dev.install
 dev/tasks/linux-packages/apache-arrow/debian/libgandiva-glib-doc.doc-base
 dev/tasks/linux-packages/apache-arrow/debian/libgandiva-glib-doc.install
 dev/tasks/linux-packages/apache-arrow/debian/libgandiva-glib-doc.links
-dev/tasks/linux-packages/apache-arrow/debian/libgandiva-glib600.install
-dev/tasks/linux-packages/apache-arrow/debian/libgandiva600.install
+dev/tasks/linux-packages/apache-arrow/debian/libgandiva-glib700.install
+dev/tasks/linux-packages/apache-arrow/debian/libgandiva700.install
 dev/tasks/linux-packages/apache-arrow/debian/libparquet-dev.install
 dev/tasks/linux-packages/apache-arrow/debian/libparquet-glib-dev.install
 dev/tasks/linux-packages/apache-arrow/debian/libparquet-glib-doc.doc-base
 dev/tasks/linux-packages/apache-arrow/debian/libparquet-glib-doc.install
 dev/tasks/linux-packages/apache-arrow/debian/libparquet-glib-doc.links
-dev/tasks/linux-packages/apache-arrow/debian/libparquet-glib600.install
-dev/tasks/linux-packages/apache-arrow/debian/libparquet600.install
+dev/tasks/linux-packages/apache-arrow/debian/libparquet-glib700.install
+dev/tasks/linux-packages/apache-arrow/debian/libparquet700.install
 dev/tasks/linux-packages/apache-arrow/debian/libplasma-dev.install
 dev/tasks/linux-packages/apache-arrow/debian/libplasma-glib-dev.install
 dev/tasks/linux-packages/apache-arrow/debian/libplasma-glib-doc.doc-base
 dev/tasks/linux-packages/apache-arrow/debian/libplasma-glib-doc.install
 dev/tasks/linux-packages/apache-arrow/debian/libplasma-glib-doc.links
-dev/tasks/linux-packages/apache-arrow/debian/libplasma-glib600.install
-dev/tasks/linux-packages/apache-arrow/debian/libplasma600.install
+dev/tasks/linux-packages/apache-arrow/debian/libplasma-glib700.install
+dev/tasks/linux-packages/apache-arrow/debian/libplasma700.install
 dev/tasks/linux-packages/apache-arrow/debian/patches/series
 dev/tasks/linux-packages/apache-arrow/debian/plasma-store-server.install
 dev/tasks/linux-packages/apache-arrow/debian/rules
diff --git a/dev/tasks/homebrew-formulae/apache-arrow.rb b/dev/tasks/homebrew-formulae/apache-arrow.rb
index ca3f831..38e0244 100644
--- a/dev/tasks/homebrew-formulae/apache-arrow.rb
+++ b/dev/tasks/homebrew-formulae/apache-arrow.rb
@@ -1,7 +1,7 @@
 class ApacheArrow < Formula
   desc "Columnar in-memory analytics layer designed to accelerate big data"
   homepage "https://arrow.apache.org/"
-  url "https://www.apache.org/dyn/closer.lua?path=arrow/arrow-6.0.0-SNAPSHOT/apache-arrow-6.0.0-SNAPSHOT.tar.gz"
+  url "https://www.apache.org/dyn/closer.lua?path=arrow/arrow-7.0.0-SNAPSHOT/apache-arrow-7.0.0-SNAPSHOT.tar.gz"
   sha256 "9948ddb6d4798b51552d0dca3252dd6e3a7d0f9702714fc6f5a1b59397ce1d28"
   license "Apache-2.0"
   head "https://github.com/apache/arrow.git"
diff --git a/dev/tasks/homebrew-formulae/autobrew/apache-arrow.rb b/dev/tasks/homebrew-formulae/autobrew/apache-arrow.rb
index 1d257e6..f8381ea 100644
--- a/dev/tasks/homebrew-formulae/autobrew/apache-arrow.rb
+++ b/dev/tasks/homebrew-formulae/autobrew/apache-arrow.rb
@@ -19,7 +19,7 @@
 class ApacheArrow < Formula
   desc "Columnar in-memory analytics layer designed to accelerate big data"
   homepage "https://arrow.apache.org/"
-  url "https://www.apache.org/dyn/closer.lua?path=arrow/arrow-5.0.0.9000/apache-arrow-5.0.0.9000.tar.gz"
+  url "https://www.apache.org/dyn/closer.lua?path=arrow/arrow-6.0.0.9000/apache-arrow-6.0.0.9000.tar.gz"
   sha256 "9948ddb6d4798b51552d0dca3252dd6e3a7d0f9702714fc6f5a1b59397ce1d28"
   head "https://github.com/apache/arrow.git"
 
diff --git a/dev/tasks/linux-packages/apache-arrow/debian/control.in b/dev/tasks/linux-packages/apache-arrow/debian/control.in
index b6d8497..153892b 100644
--- a/dev/tasks/linux-packages/apache-arrow/debian/control.in
+++ b/dev/tasks/linux-packages/apache-arrow/debian/control.in
@@ -38,7 +38,7 @@
 Standards-Version: 3.9.8
 Homepage: https://arrow.apache.org/
 
-Package: libarrow600
+Package: libarrow700
 Section: libs
 Architecture: any
 Multi-Arch: same
@@ -50,7 +50,7 @@
  .
  This package provides C++ library files.
 
-Package: libarrow-cuda600
+Package: libarrow-cuda700
 Section: libs
 Architecture: @CUDA_ARCHITECTURE@
 Multi-Arch: same
@@ -58,12 +58,12 @@
 Depends:
   ${misc:Depends},
   ${shlibs:Depends},
-  libarrow600 (= ${binary:Version})
+  libarrow700 (= ${binary:Version})
 Description: Apache Arrow is a data processing library for analysis
  .
  This package provides C++ library files for CUDA support.
 
-Package: libarrow-dataset600
+Package: libarrow-dataset700
 Section: libs
 Architecture: any
 Multi-Arch: same
@@ -71,13 +71,13 @@
 Depends:
   ${misc:Depends},
   ${shlibs:Depends},
-  libarrow600 (= ${binary:Version}),
-  libparquet600 (= ${binary:Version})
+  libarrow700 (= ${binary:Version}),
+  libparquet700 (= ${binary:Version})
 Description: Apache Arrow is a data processing library for analysis
  .
  This package provides C++ library files for Dataset module.
 
-Package: libarrow-flight600
+Package: libarrow-flight700
 Section: libs
 Architecture: any
 Multi-Arch: same
@@ -85,12 +85,12 @@
 Depends:
   ${misc:Depends},
   ${shlibs:Depends},
-  libarrow600 (= ${binary:Version})
+  libarrow700 (= ${binary:Version})
 Description: Apache Arrow is a data processing library for analysis
  .
  This package provides C++ library files for Flight RPC system.
 
-Package: libarrow-python600
+Package: libarrow-python700
 Section: libs
 Architecture: any
 Multi-Arch: same
@@ -98,14 +98,14 @@
 Depends:
   ${misc:Depends},
   ${shlibs:Depends},
-  libarrow600 (= ${binary:Version}),
+  libarrow700 (= ${binary:Version}),
   python3,
   python3-numpy
 Description: Apache Arrow is a data processing library for analysis
  .
  This package provides C++ library files for Python support.
 
-Package: libarrow-python-flight600
+Package: libarrow-python-flight700
 Section: libs
 Architecture: any
 Multi-Arch: same
@@ -113,8 +113,8 @@
 Depends:
   ${misc:Depends},
   ${shlibs:Depends},
-  libarrow-flight600 (= ${binary:Version}),
-  libarrow-python600 (= ${binary:Version})
+  libarrow-flight700 (= ${binary:Version}),
+  libarrow-python700 (= ${binary:Version})
 Description: Apache Arrow is a data processing library for analysis
  .
  This package provides C++ library files for Flight and Python support.
@@ -125,7 +125,7 @@
 Multi-Arch: same
 Depends:
   ${misc:Depends},
-  libarrow600 (= ${binary:Version}),
+  libarrow700 (= ${binary:Version}),
   libbrotli-dev,
   libbz2-dev,
 @USE_SYSTEM_C_ARES@  libc-ares-dev,
@@ -149,7 +149,7 @@
 Depends:
   ${misc:Depends},
   libarrow-dev (= ${binary:Version}),
-  libarrow-cuda600 (= ${binary:Version})
+  libarrow-cuda700 (= ${binary:Version})
 Description: Apache Arrow is a data processing library for analysis
  .
  This package provides C++ header files for CUDA support.
@@ -161,7 +161,7 @@
 Depends:
   ${misc:Depends},
   libarrow-dev (= ${binary:Version}),
-  libarrow-dataset600 (= ${binary:Version}),
+  libarrow-dataset700 (= ${binary:Version}),
   libparquet-dev (= ${binary:Version})
 Description: Apache Arrow is a data processing library for analysis
  .
@@ -174,7 +174,7 @@
 Depends:
   ${misc:Depends},
   libarrow-dev (= ${binary:Version}),
-  libarrow-flight600 (= ${binary:Version})
+  libarrow-flight700 (= ${binary:Version})
 Description: Apache Arrow is a data processing library for analysis
  .
  This package provides C++ header files for Flight RPC system.
@@ -186,7 +186,7 @@
 Depends:
   ${misc:Depends},
   libarrow-dev (= ${binary:Version}),
-  libarrow-python600 (= ${binary:Version})
+  libarrow-python700 (= ${binary:Version})
 Description: Apache Arrow is a data processing library for analysis
  .
  This package provides C++ header files for Python support.
@@ -199,12 +199,12 @@
   ${misc:Depends},
   libarrow-flight-dev (= ${binary:Version}),
   libarrow-python-dev (= ${binary:Version}),
-  libarrow-python-flight600 (= ${binary:Version})
+  libarrow-python-flight700 (= ${binary:Version})
 Description: Apache Arrow is a data processing library for analysis
  .
  This package provides C++ header files for Flight and Python support.
 
-Package: libgandiva600
+Package: libgandiva700
 Section: libs
 Architecture: any
 Multi-Arch: same
@@ -212,7 +212,7 @@
 Depends:
   ${misc:Depends},
   ${shlibs:Depends},
-  libarrow600 (= ${binary:Version})
+  libarrow700 (= ${binary:Version})
 Description: Gandiva is a toolset for compiling and evaluating expressions
  on Arrow Data.
  .
@@ -225,13 +225,13 @@
 Depends:
   ${misc:Depends},
   libarrow-dev (= ${binary:Version}),
-  libgandiva600 (= ${binary:Version})
+  libgandiva700 (= ${binary:Version})
 Description: Gandiva is a toolset for compiling and evaluating expressions
  on Arrow Data.
  .
  This package provides C++ header files.
 
-Package: libplasma600
+Package: libplasma700
 Section: libs
 Architecture: @CUDA_ARCHITECTURE@
 Multi-Arch: same
@@ -239,7 +239,7 @@
 Depends:
   ${misc:Depends},
   ${shlibs:Depends},
-  libarrow-cuda600 (= ${binary:Version})
+  libarrow-cuda700 (= ${binary:Version})
 Description: Plasma is an in-memory object store and cache for big data.
  .
  This package provides C++ library files to connect plasma-store-server.
@@ -251,7 +251,7 @@
 Depends:
   ${misc:Depends},
   ${shlibs:Depends},
-  libplasma600 (= ${binary:Version})
+  libplasma700 (= ${binary:Version})
 Description: Plasma is an in-memory object store and cache for big data.
  .
  This package provides plasma-store-server.
@@ -263,12 +263,12 @@
 Depends:
   ${misc:Depends},
   libarrow-cuda-dev (= ${binary:Version}),
-  libplasma600 (= ${binary:Version})
+  libplasma700 (= ${binary:Version})
 Description: Plasma is an in-memory object store and cache for big data.
  .
  This package provides C++ header files.
 
-Package: libparquet600
+Package: libparquet700
 Section: libs
 Architecture: any
 Multi-Arch: same
@@ -287,12 +287,12 @@
 Depends:
   ${misc:Depends},
   libarrow-dev (= ${binary:Version}),
-  libparquet600 (= ${binary:Version})
+  libparquet700 (= ${binary:Version})
 Description: Apache Parquet is a columnar storage format
  .
  This package provides C++ header files.
 
-Package: libarrow-glib600
+Package: libarrow-glib700
 Section: libs
 Architecture: any
 Multi-Arch: same
@@ -300,7 +300,7 @@
 Depends:
   ${misc:Depends},
   ${shlibs:Depends},
-  libarrow600 (= ${binary:Version})
+  libarrow700 (= ${binary:Version})
 Description: Apache Arrow is a data processing library for analysis
  .
  This package provides GLib based library files.
@@ -324,7 +324,7 @@
   ${misc:Depends},
   libglib2.0-dev,
   libarrow-dev (= ${binary:Version}),
-  libarrow-glib600 (= ${binary:Version}),
+  libarrow-glib700 (= ${binary:Version}),
   gir1.2-arrow-1.0 (= ${binary:Version})
 Suggests: libarrow-glib-doc
 Description: Apache Arrow is a data processing library for analysis
@@ -342,7 +342,7 @@
  .
  This package provides documentations.
 
-Package: libarrow-cuda-glib600
+Package: libarrow-cuda-glib700
 Section: libs
 Architecture: @CUDA_ARCHITECTURE@
 Multi-Arch: same
@@ -350,8 +350,8 @@
 Depends:
   ${misc:Depends},
   ${shlibs:Depends},
-  libarrow-glib600 (= ${binary:Version}),
-  libarrow-cuda600 (= ${binary:Version})
+  libarrow-glib700 (= ${binary:Version}),
+  libarrow-cuda700 (= ${binary:Version})
 Description: Apache Arrow is a data processing library for analysis
  .
  This package provides GLib based library files for CUDA support.
@@ -375,13 +375,13 @@
   ${misc:Depends},
   libarrow-cuda-dev (= ${binary:Version}),
   libarrow-glib-dev (= ${binary:Version}),
-  libarrow-cuda-glib600 (= ${binary:Version}),
+  libarrow-cuda-glib700 (= ${binary:Version}),
   gir1.2-arrow-cuda-1.0 (= ${binary:Version})
 Description: Apache Arrow is a data processing library for analysis
  .
  This package provides GLib based header files for CUDA support.
 
-Package: libarrow-dataset-glib600
+Package: libarrow-dataset-glib700
 Section: libs
 Architecture: any
 Multi-Arch: same
@@ -389,8 +389,8 @@
 Depends:
   ${misc:Depends},
   ${shlibs:Depends},
-  libarrow-glib600 (= ${binary:Version}),
-  libarrow-dataset600 (= ${binary:Version})
+  libarrow-glib700 (= ${binary:Version}),
+  libarrow-dataset700 (= ${binary:Version})
 Description: Apache Arrow is a data processing library for analysis
  .
  This package provides GLib based library files for dataset module.
@@ -414,7 +414,7 @@
   ${misc:Depends},
   libarrow-dataset-dev (= ${binary:Version}),
   libarrow-glib-dev (= ${binary:Version}),
-  libarrow-dataset-glib600 (= ${binary:Version}),
+  libarrow-dataset-glib700 (= ${binary:Version}),
   gir1.2-arrow-dataset-1.0 (= ${binary:Version})
 Description: Apache Arrow is a data processing library for analysis
  .
@@ -431,7 +431,7 @@
  .
  This package provides documentations for dataset module.
 
-Package: libarrow-flight-glib600
+Package: libarrow-flight-glib700
 Section: libs
 Architecture: any
 Multi-Arch: same
@@ -439,8 +439,8 @@
 Depends:
   ${misc:Depends},
   ${shlibs:Depends},
-  libarrow-glib600 (= ${binary:Version}),
-  libarrow-flight600 (= ${binary:Version})
+  libarrow-glib700 (= ${binary:Version}),
+  libarrow-flight700 (= ${binary:Version})
 Description: Apache Arrow is a data processing library for analysis
  .
  This package provides GLib based library files for Apache Arrow Flight.
@@ -465,7 +465,7 @@
   ${misc:Depends},
   libarrow-flight-dev (= ${binary:Version}),
   libarrow-glib-dev (= ${binary:Version}),
-  libarrow-flight-glib600 (= ${binary:Version}),
+  libarrow-flight-glib700 (= ${binary:Version}),
   gir1.2-arrow-flight-1.0 (= ${binary:Version})
 Description: Apache Arrow is a data processing library for analysis
  .
@@ -482,7 +482,7 @@
  .
  This package provides documentations for Apache Arrow Flight.
 
-Package: libgandiva-glib600
+Package: libgandiva-glib700
 Section: libs
 Architecture: any
 Multi-Arch: same
@@ -490,8 +490,8 @@
 Depends:
   ${misc:Depends},
   ${shlibs:Depends},
-  libarrow-glib600 (= ${binary:Version}),
-  libgandiva600 (= ${binary:Version})
+  libarrow-glib700 (= ${binary:Version}),
+  libgandiva700 (= ${binary:Version})
 Description: Gandiva is a toolset for compiling and evaluating expressions
  on Arrow Data.
  .
@@ -517,7 +517,7 @@
   ${misc:Depends},
   libgandiva-dev (= ${binary:Version}),
   libarrow-glib-dev (= ${binary:Version}),
-  libgandiva-glib600 (= ${binary:Version}),
+  libgandiva-glib700 (= ${binary:Version}),
   gir1.2-gandiva-1.0 (= ${binary:Version})
 Description: Gandiva is a toolset for compiling and evaluating expressions
  on Arrow Data.
@@ -536,7 +536,7 @@
  .
  This package provides documentations.
 
-Package: libplasma-glib600
+Package: libplasma-glib700
 Section: libs
 Architecture: @CUDA_ARCHITECTURE@
 Multi-Arch: same
@@ -544,8 +544,8 @@
 Depends:
   ${misc:Depends},
   ${shlibs:Depends},
-  libarrow-cuda-glib600 (= ${binary:Version}),
-  libplasma600 (= ${binary:Version})
+  libarrow-cuda-glib700 (= ${binary:Version}),
+  libplasma700 (= ${binary:Version})
 Description: Plasma is an in-memory object store and cache for big data.
  .
  This package provides GLib based library files to connect plasma-store-server.
@@ -569,7 +569,7 @@
   ${misc:Depends},
   libplasma-dev (= ${binary:Version}),
   libarrow-cuda-glib-dev (= ${binary:Version}),
-  libplasma-glib600 (= ${binary:Version}),
+  libplasma-glib700 (= ${binary:Version}),
   gir1.2-plasma-1.0 (= ${binary:Version})
 Description: Plasma is an in-memory object store and cache for big data.
  .
@@ -586,7 +586,7 @@
  .
  This package provides documentations.
 
-Package: libparquet-glib600
+Package: libparquet-glib700
 Section: libs
 Architecture: any
 Multi-Arch: same
@@ -594,8 +594,8 @@
 Depends:
   ${misc:Depends},
   ${shlibs:Depends},
-  libarrow-glib600 (= ${binary:Version}),
-  libparquet600 (= ${binary:Version})
+  libarrow-glib700 (= ${binary:Version}),
+  libparquet700 (= ${binary:Version})
 Description: Apache Parquet is a columnar storage format
  .
  This package provides GLib based library files.
@@ -619,7 +619,7 @@
   ${misc:Depends},
   libarrow-glib-dev (= ${binary:Version}),
   libparquet-dev (= ${binary:Version}),
-  libparquet-glib600 (= ${binary:Version}),
+  libparquet-glib700 (= ${binary:Version}),
   gir1.2-parquet-1.0 (= ${binary:Version})
 Suggests: libparquet-glib-doc
 Description: Apache Parquet is a columnar storage format
diff --git a/dev/tasks/linux-packages/apache-arrow/debian/libarrow-cuda-glib600.install b/dev/tasks/linux-packages/apache-arrow/debian/libarrow-cuda-glib700.install
similarity index 100%
rename from dev/tasks/linux-packages/apache-arrow/debian/libarrow-cuda-glib600.install
rename to dev/tasks/linux-packages/apache-arrow/debian/libarrow-cuda-glib700.install
diff --git a/dev/tasks/linux-packages/apache-arrow/debian/libarrow-cuda600.install b/dev/tasks/linux-packages/apache-arrow/debian/libarrow-cuda700.install
similarity index 100%
rename from dev/tasks/linux-packages/apache-arrow/debian/libarrow-cuda600.install
rename to dev/tasks/linux-packages/apache-arrow/debian/libarrow-cuda700.install
diff --git a/dev/tasks/linux-packages/apache-arrow/debian/libarrow-dataset-glib600.install b/dev/tasks/linux-packages/apache-arrow/debian/libarrow-dataset-glib700.install
similarity index 100%
rename from dev/tasks/linux-packages/apache-arrow/debian/libarrow-dataset-glib600.install
rename to dev/tasks/linux-packages/apache-arrow/debian/libarrow-dataset-glib700.install
diff --git a/dev/tasks/linux-packages/apache-arrow/debian/libarrow-dataset600.install b/dev/tasks/linux-packages/apache-arrow/debian/libarrow-dataset700.install
similarity index 100%
rename from dev/tasks/linux-packages/apache-arrow/debian/libarrow-dataset600.install
rename to dev/tasks/linux-packages/apache-arrow/debian/libarrow-dataset700.install
diff --git a/dev/tasks/linux-packages/apache-arrow/debian/libarrow-flight-glib600.install b/dev/tasks/linux-packages/apache-arrow/debian/libarrow-flight-glib700.install
similarity index 100%
rename from dev/tasks/linux-packages/apache-arrow/debian/libarrow-flight-glib600.install
rename to dev/tasks/linux-packages/apache-arrow/debian/libarrow-flight-glib700.install
diff --git a/dev/tasks/linux-packages/apache-arrow/debian/libarrow-flight600.install b/dev/tasks/linux-packages/apache-arrow/debian/libarrow-flight700.install
similarity index 100%
rename from dev/tasks/linux-packages/apache-arrow/debian/libarrow-flight600.install
rename to dev/tasks/linux-packages/apache-arrow/debian/libarrow-flight700.install
diff --git a/dev/tasks/linux-packages/apache-arrow/debian/libarrow-glib600.install b/dev/tasks/linux-packages/apache-arrow/debian/libarrow-glib700.install
similarity index 100%
rename from dev/tasks/linux-packages/apache-arrow/debian/libarrow-glib600.install
rename to dev/tasks/linux-packages/apache-arrow/debian/libarrow-glib700.install
diff --git a/dev/tasks/linux-packages/apache-arrow/debian/libarrow-python-flight600.install b/dev/tasks/linux-packages/apache-arrow/debian/libarrow-python-flight700.install
similarity index 100%
rename from dev/tasks/linux-packages/apache-arrow/debian/libarrow-python-flight600.install
rename to dev/tasks/linux-packages/apache-arrow/debian/libarrow-python-flight700.install
diff --git a/dev/tasks/linux-packages/apache-arrow/debian/libarrow-python600.install b/dev/tasks/linux-packages/apache-arrow/debian/libarrow-python700.install
similarity index 100%
rename from dev/tasks/linux-packages/apache-arrow/debian/libarrow-python600.install
rename to dev/tasks/linux-packages/apache-arrow/debian/libarrow-python700.install
diff --git a/dev/tasks/linux-packages/apache-arrow/debian/libarrow600.install b/dev/tasks/linux-packages/apache-arrow/debian/libarrow700.install
similarity index 100%
rename from dev/tasks/linux-packages/apache-arrow/debian/libarrow600.install
rename to dev/tasks/linux-packages/apache-arrow/debian/libarrow700.install
diff --git a/dev/tasks/linux-packages/apache-arrow/debian/libgandiva-glib600.install b/dev/tasks/linux-packages/apache-arrow/debian/libgandiva-glib700.install
similarity index 100%
rename from dev/tasks/linux-packages/apache-arrow/debian/libgandiva-glib600.install
rename to dev/tasks/linux-packages/apache-arrow/debian/libgandiva-glib700.install
diff --git a/dev/tasks/linux-packages/apache-arrow/debian/libgandiva600.install b/dev/tasks/linux-packages/apache-arrow/debian/libgandiva700.install
similarity index 100%
rename from dev/tasks/linux-packages/apache-arrow/debian/libgandiva600.install
rename to dev/tasks/linux-packages/apache-arrow/debian/libgandiva700.install
diff --git a/dev/tasks/linux-packages/apache-arrow/debian/libparquet-glib600.install b/dev/tasks/linux-packages/apache-arrow/debian/libparquet-glib700.install
similarity index 100%
rename from dev/tasks/linux-packages/apache-arrow/debian/libparquet-glib600.install
rename to dev/tasks/linux-packages/apache-arrow/debian/libparquet-glib700.install
diff --git a/dev/tasks/linux-packages/apache-arrow/debian/libparquet600.install b/dev/tasks/linux-packages/apache-arrow/debian/libparquet700.install
similarity index 100%
rename from dev/tasks/linux-packages/apache-arrow/debian/libparquet600.install
rename to dev/tasks/linux-packages/apache-arrow/debian/libparquet700.install
diff --git a/dev/tasks/linux-packages/apache-arrow/debian/libplasma-glib600.install b/dev/tasks/linux-packages/apache-arrow/debian/libplasma-glib700.install
similarity index 100%
rename from dev/tasks/linux-packages/apache-arrow/debian/libplasma-glib600.install
rename to dev/tasks/linux-packages/apache-arrow/debian/libplasma-glib700.install
diff --git a/dev/tasks/linux-packages/apache-arrow/debian/libplasma600.install b/dev/tasks/linux-packages/apache-arrow/debian/libplasma700.install
similarity index 100%
rename from dev/tasks/linux-packages/apache-arrow/debian/libplasma600.install
rename to dev/tasks/linux-packages/apache-arrow/debian/libplasma700.install
diff --git a/dev/tasks/tasks.yml b/dev/tasks/tasks.yml
index 7b69463..86cba81 100644
--- a/dev/tasks/tasks.yml
+++ b/dev/tasks/tasks.yml
@@ -488,60 +488,60 @@
       - libarrow-dataset-dev_{no_rc_version}-1_[a-z0-9]+.deb
       - libarrow-dataset-glib-dev_{no_rc_version}-1_[a-z0-9]+.deb
       - libarrow-dataset-glib-doc_{no_rc_version}-1_[a-z0-9]+.deb
-      - libarrow-dataset-glib600-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
-      - libarrow-dataset-glib600_{no_rc_version}-1_[a-z0-9]+.deb
-      - libarrow-dataset600-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
-      - libarrow-dataset600_{no_rc_version}-1_[a-z0-9]+.deb
+      - libarrow-dataset-glib700-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
+      - libarrow-dataset-glib700_{no_rc_version}-1_[a-z0-9]+.deb
+      - libarrow-dataset700-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
+      - libarrow-dataset700_{no_rc_version}-1_[a-z0-9]+.deb
       - libarrow-dev_{no_rc_version}-1_[a-z0-9]+.deb
       - libarrow-flight-dev_{no_rc_version}-1_[a-z0-9]+.deb
       - libarrow-flight-glib-dev_{no_rc_version}-1_[a-z0-9]+.deb
       - libarrow-flight-glib-doc_{no_rc_version}-1_[a-z0-9]+.deb
-      - libarrow-flight-glib600-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
-      - libarrow-flight-glib600_{no_rc_version}-1_[a-z0-9]+.deb
-      - libarrow-flight600-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
-      - libarrow-flight600_{no_rc_version}-1_[a-z0-9]+.deb
+      - libarrow-flight-glib700-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
+      - libarrow-flight-glib700_{no_rc_version}-1_[a-z0-9]+.deb
+      - libarrow-flight700-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
+      - libarrow-flight700_{no_rc_version}-1_[a-z0-9]+.deb
       - libarrow-glib-dev_{no_rc_version}-1_[a-z0-9]+.deb
       - libarrow-glib-doc_{no_rc_version}-1_[a-z0-9]+.deb
-      - libarrow-glib600-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
-      - libarrow-glib600_{no_rc_version}-1_[a-z0-9]+.deb
+      - libarrow-glib700-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
+      - libarrow-glib700_{no_rc_version}-1_[a-z0-9]+.deb
       - libarrow-python-dev_{no_rc_version}-1_[a-z0-9]+.deb
       - libarrow-python-flight-dev_{no_rc_version}-1_[a-z0-9]+.deb
-      - libarrow-python-flight600-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
-      - libarrow-python-flight600_{no_rc_version}-1_[a-z0-9]+.deb
-      - libarrow-python600-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
-      - libarrow-python600_{no_rc_version}-1_[a-z0-9]+.deb
-      - libarrow600-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
-      - libarrow600_{no_rc_version}-1_[a-z0-9]+.deb
+      - libarrow-python-flight700-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
+      - libarrow-python-flight700_{no_rc_version}-1_[a-z0-9]+.deb
+      - libarrow-python700-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
+      - libarrow-python700_{no_rc_version}-1_[a-z0-9]+.deb
+      - libarrow700-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
+      - libarrow700_{no_rc_version}-1_[a-z0-9]+.deb
       - libgandiva-dev_{no_rc_version}-1_[a-z0-9]+.deb
       - libgandiva-glib-dev_{no_rc_version}-1_[a-z0-9]+.deb
       - libgandiva-glib-doc_{no_rc_version}-1_[a-z0-9]+.deb
-      - libgandiva-glib600-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
-      - libgandiva-glib600_{no_rc_version}-1_[a-z0-9]+.deb
-      - libgandiva600-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
-      - libgandiva600_{no_rc_version}-1_[a-z0-9]+.deb
+      - libgandiva-glib700-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
+      - libgandiva-glib700_{no_rc_version}-1_[a-z0-9]+.deb
+      - libgandiva700-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
+      - libgandiva700_{no_rc_version}-1_[a-z0-9]+.deb
       - libparquet-dev_{no_rc_version}-1_[a-z0-9]+.deb
       - libparquet-glib-dev_{no_rc_version}-1_[a-z0-9]+.deb
       - libparquet-glib-doc_{no_rc_version}-1_[a-z0-9]+.deb
-      - libparquet-glib600-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
-      - libparquet-glib600_{no_rc_version}-1_[a-z0-9]+.deb
-      - libparquet600-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
-      - libparquet600_{no_rc_version}-1_[a-z0-9]+.deb
+      - libparquet-glib700-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
+      - libparquet-glib700_{no_rc_version}-1_[a-z0-9]+.deb
+      - libparquet700-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
+      - libparquet700_{no_rc_version}-1_[a-z0-9]+.deb
     {% if architecture == "amd64" %}
       - gir1.2-arrow-cuda-1.0_{no_rc_version}-1_[a-z0-9]+.deb
       - gir1.2-plasma-1.0_{no_rc_version}-1_[a-z0-9]+.deb
       - libarrow-cuda-dev_{no_rc_version}-1_[a-z0-9]+.deb
       - libarrow-cuda-glib-dev_{no_rc_version}-1_[a-z0-9]+.deb
-      - libarrow-cuda-glib600-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
-      - libarrow-cuda-glib600_{no_rc_version}-1_[a-z0-9]+.deb
-      - libarrow-cuda600-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
-      - libarrow-cuda600_{no_rc_version}-1_[a-z0-9]+.deb
+      - libarrow-cuda-glib700-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
+      - libarrow-cuda-glib700_{no_rc_version}-1_[a-z0-9]+.deb
+      - libarrow-cuda700-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
+      - libarrow-cuda700_{no_rc_version}-1_[a-z0-9]+.deb
       - libplasma-dev_{no_rc_version}-1_[a-z0-9]+.deb
       - libplasma-glib-dev_{no_rc_version}-1_[a-z0-9]+.deb
       - libplasma-glib-doc_{no_rc_version}-1_[a-z0-9]+.deb
-      - libplasma-glib600-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
-      - libplasma-glib600_{no_rc_version}-1_[a-z0-9]+.deb
-      - libplasma600-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
-      - libplasma600_{no_rc_version}-1_[a-z0-9]+.deb
+      - libplasma-glib700-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
+      - libplasma-glib700_{no_rc_version}-1_[a-z0-9]+.deb
+      - libplasma700-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
+      - libplasma700_{no_rc_version}-1_[a-z0-9]+.deb
       - plasma-store-server-dbgsym_{no_rc_version}-1_[a-z0-9]+.d?deb
       - plasma-store-server_{no_rc_version}-1_[a-z0-9]+.deb
     {% endif %}
diff --git a/java/adapter/avro/pom.xml b/java/adapter/avro/pom.xml
index 9695245..4fb71d7 100644
--- a/java/adapter/avro/pom.xml
+++ b/java/adapter/avro/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <groupId>org.apache.arrow</groupId>
     <artifactId>arrow-java-root</artifactId>
-    <version>6.0.0-SNAPSHOT</version>
+    <version>7.0.0-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/java/adapter/jdbc/pom.xml b/java/adapter/jdbc/pom.xml
index 774676c..c8ecd8e 100644
--- a/java/adapter/jdbc/pom.xml
+++ b/java/adapter/jdbc/pom.xml
@@ -16,7 +16,7 @@
     <parent>
         <groupId>org.apache.arrow</groupId>
         <artifactId>arrow-java-root</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>7.0.0-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/java/adapter/orc/pom.xml b/java/adapter/orc/pom.xml
index 9a6424a..a69a7ad 100644
--- a/java/adapter/orc/pom.xml
+++ b/java/adapter/orc/pom.xml
@@ -87,7 +87,7 @@
     <parent>
         <groupId>org.apache.arrow</groupId>
         <artifactId>arrow-java-root</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>7.0.0-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/java/algorithm/pom.xml b/java/algorithm/pom.xml
index cb504c7..c17ce31 100644
--- a/java/algorithm/pom.xml
+++ b/java/algorithm/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <groupId>org.apache.arrow</groupId>
     <artifactId>arrow-java-root</artifactId>
-    <version>6.0.0-SNAPSHOT</version>
+    <version>7.0.0-SNAPSHOT</version>
   </parent>
   <artifactId>arrow-algorithm</artifactId>
   <name>Arrow Algorithms</name>
diff --git a/java/c/pom.xml b/java/c/pom.xml
index 55d0730..a6734f3 100644
--- a/java/c/pom.xml
+++ b/java/c/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <artifactId>arrow-java-root</artifactId>
         <groupId>org.apache.arrow</groupId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>7.0.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/java/compression/pom.xml b/java/compression/pom.xml
index 652d9e6..657209c 100644
--- a/java/compression/pom.xml
+++ b/java/compression/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <groupId>org.apache.arrow</groupId>
     <artifactId>arrow-java-root</artifactId>
-    <version>6.0.0-SNAPSHOT</version>
+    <version>7.0.0-SNAPSHOT</version>
   </parent>
   <artifactId>arrow-compression</artifactId>
   <name>Arrow Compression</name>
diff --git a/java/dataset/pom.xml b/java/dataset/pom.xml
index a71b362..4eeadb1 100644
--- a/java/dataset/pom.xml
+++ b/java/dataset/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>arrow-java-root</artifactId>
         <groupId>org.apache.arrow</groupId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>7.0.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/java/flight/flight-core/pom.xml b/java/flight/flight-core/pom.xml
index 71095aa..b1f00eb 100644
--- a/java/flight/flight-core/pom.xml
+++ b/java/flight/flight-core/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <groupId>org.apache.arrow</groupId>
     <artifactId>arrow-java-root</artifactId>
-    <version>6.0.0-SNAPSHOT</version>
+    <version>7.0.0-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/java/flight/flight-grpc/pom.xml b/java/flight/flight-grpc/pom.xml
index 5bd80f4..c567b7c 100644
--- a/java/flight/flight-grpc/pom.xml
+++ b/java/flight/flight-grpc/pom.xml
@@ -13,7 +13,7 @@
   <parent>
     <artifactId>arrow-java-root</artifactId>
     <groupId>org.apache.arrow</groupId>
-    <version>6.0.0-SNAPSHOT</version>
+    <version>7.0.0-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/java/format/pom.xml b/java/format/pom.xml
index aeb5d86..a809712 100644
--- a/java/format/pom.xml
+++ b/java/format/pom.xml
@@ -15,7 +15,7 @@
 <parent>
   <artifactId>arrow-java-root</artifactId>
   <groupId>org.apache.arrow</groupId>
-  <version>6.0.0-SNAPSHOT</version>
+  <version>7.0.0-SNAPSHOT</version>
 </parent>
 
 <artifactId>arrow-format</artifactId>
diff --git a/java/gandiva/pom.xml b/java/gandiva/pom.xml
index 3b13f80..2a7614b 100644
--- a/java/gandiva/pom.xml
+++ b/java/gandiva/pom.xml
@@ -14,7 +14,7 @@
     <parent>
       <groupId>org.apache.arrow</groupId>
       <artifactId>arrow-java-root</artifactId>
-      <version>6.0.0-SNAPSHOT</version>
+      <version>7.0.0-SNAPSHOT</version>
     </parent>
 
     <groupId>org.apache.arrow.gandiva</groupId>
diff --git a/java/memory/memory-core/pom.xml b/java/memory/memory-core/pom.xml
index c6cbe4a..40193b4 100644
--- a/java/memory/memory-core/pom.xml
+++ b/java/memory/memory-core/pom.xml
@@ -13,7 +13,7 @@
   <parent>
     <artifactId>arrow-memory</artifactId>
     <groupId>org.apache.arrow</groupId>
-    <version>6.0.0-SNAPSHOT</version>
+    <version>7.0.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/java/memory/memory-netty/pom.xml b/java/memory/memory-netty/pom.xml
index d94f4da..460b507 100644
--- a/java/memory/memory-netty/pom.xml
+++ b/java/memory/memory-netty/pom.xml
@@ -13,7 +13,7 @@
   <parent>
     <artifactId>arrow-memory</artifactId>
     <groupId>org.apache.arrow</groupId>
-    <version>6.0.0-SNAPSHOT</version>
+    <version>7.0.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/java/memory/memory-unsafe/pom.xml b/java/memory/memory-unsafe/pom.xml
index 0ed164c..458694e 100644
--- a/java/memory/memory-unsafe/pom.xml
+++ b/java/memory/memory-unsafe/pom.xml
@@ -13,7 +13,7 @@
   <parent>
     <artifactId>arrow-memory</artifactId>
     <groupId>org.apache.arrow</groupId>
-    <version>6.0.0-SNAPSHOT</version>
+    <version>7.0.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/java/memory/pom.xml b/java/memory/pom.xml
index a7520a7..e6c7061 100644
--- a/java/memory/pom.xml
+++ b/java/memory/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <groupId>org.apache.arrow</groupId>
     <artifactId>arrow-java-root</artifactId>
-    <version>6.0.0-SNAPSHOT</version>
+    <version>7.0.0-SNAPSHOT</version>
   </parent>
   <artifactId>arrow-memory</artifactId>
   <name>Arrow Memory</name>
diff --git a/java/performance/pom.xml b/java/performance/pom.xml
index d41df57..09bae24 100644
--- a/java/performance/pom.xml
+++ b/java/performance/pom.xml
@@ -14,7 +14,7 @@
     <parent>
         <artifactId>arrow-java-root</artifactId>
         <groupId>org.apache.arrow</groupId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>7.0.0-SNAPSHOT</version>
     </parent>
     <artifactId>arrow-performance</artifactId>
     <packaging>jar</packaging>
@@ -86,7 +86,7 @@
         <dependency>
             <groupId>org.apache.arrow</groupId>
             <artifactId>arrow-algorithm</artifactId>
-            <version>6.0.0-SNAPSHOT</version>
+            <version>7.0.0-SNAPSHOT</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/java/plasma/pom.xml b/java/plasma/pom.xml
index 57609fc..88e3b91 100644
--- a/java/plasma/pom.xml
+++ b/java/plasma/pom.xml
@@ -14,7 +14,7 @@
     <parent>
         <groupId>org.apache.arrow</groupId>
         <artifactId>arrow-java-root</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>7.0.0-SNAPSHOT</version>
     </parent>
     <artifactId>arrow-plasma</artifactId>
     <name>Arrow Plasma Client</name>
diff --git a/java/pom.xml b/java/pom.xml
index 5dd2dfc..007f453 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -20,7 +20,7 @@
 
   <groupId>org.apache.arrow</groupId>
   <artifactId>arrow-java-root</artifactId>
-  <version>6.0.0-SNAPSHOT</version>
+  <version>7.0.0-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>Apache Arrow Java Root POM</name>
diff --git a/java/tools/pom.xml b/java/tools/pom.xml
index aed13379..3cc0282 100644
--- a/java/tools/pom.xml
+++ b/java/tools/pom.xml
@@ -14,7 +14,7 @@
     <parent>
         <groupId>org.apache.arrow</groupId>
         <artifactId>arrow-java-root</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>7.0.0-SNAPSHOT</version>
     </parent>
     <artifactId>arrow-tools</artifactId>
     <name>Arrow Tools</name>
diff --git a/java/vector/pom.xml b/java/vector/pom.xml
index 4661a13..4fce197 100644
--- a/java/vector/pom.xml
+++ b/java/vector/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <groupId>org.apache.arrow</groupId>
     <artifactId>arrow-java-root</artifactId>
-    <version>6.0.0-SNAPSHOT</version>
+    <version>7.0.0-SNAPSHOT</version>
   </parent>
   <artifactId>arrow-vector</artifactId>
   <name>Arrow Vectors</name>
diff --git a/js/package.json b/js/package.json
index 12144de..918e6e9 100644
--- a/js/package.json
+++ b/js/package.json
@@ -100,5 +100,5 @@
   "engines": {
     "node": ">=12.0"
   },
-  "version": "6.0.0-SNAPSHOT"
+  "version": "7.0.0-SNAPSHOT"
 }
diff --git a/matlab/CMakeLists.txt b/matlab/CMakeLists.txt
index 3c3b873..e667500 100644
--- a/matlab/CMakeLists.txt
+++ b/matlab/CMakeLists.txt
@@ -183,7 +183,7 @@
 
 set(CMAKE_CXX_STANDARD 11)
 
-set(MLARROW_VERSION "6.0.0-SNAPSHOT")
+set(MLARROW_VERSION "7.0.0-SNAPSHOT")
 string(REGEX MATCH "^[0-9]+\\.[0-9]+\\.[0-9]+" MLARROW_BASE_VERSION "${MLARROW_VERSION}")
 
 project(mlarrow VERSION "${MLARROW_BASE_VERSION}")
diff --git a/python/setup.py b/python/setup.py
index deab5c0..3f0953c 100755
--- a/python/setup.py
+++ b/python/setup.py
@@ -527,7 +527,7 @@
 
 # If the event of not running from a git clone (e.g. from a git archive
 # or a Python sdist), see if we can set the version number ourselves
-default_version = '6.0.0-SNAPSHOT'
+default_version = '7.0.0-SNAPSHOT'
 if (not os.path.exists('../.git') and
         not os.environ.get('SETUPTOOLS_SCM_PRETEND_VERSION')):
     os.environ['SETUPTOOLS_SCM_PRETEND_VERSION'] = \
diff --git a/r/DESCRIPTION b/r/DESCRIPTION
index a893189..91d35fd 100644
--- a/r/DESCRIPTION
+++ b/r/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: arrow
 Title: Integration to 'Apache' 'Arrow'
-Version: 5.0.0.9000
+Version: 6.0.0.9000
 Authors@R: c(
     person("Neal", "Richardson", email = "neal@ursalabs.org", role = c("aut", "cre")),
     person("Ian", "Cook", email = "ianmcook@gmail.com", role = c("aut")),
diff --git a/r/NEWS.md b/r/NEWS.md
index 065a5d7..cea923b 100644
--- a/r/NEWS.md
+++ b/r/NEWS.md
@@ -17,7 +17,9 @@
   under the License.
 -->
 
-# arrow 5.0.0.9000
+# arrow 6.0.0.9000
+
+# arrow 6.0.0
 
 There are now two ways to query Arrow data:
 
diff --git a/ruby/red-arrow-cuda/lib/arrow-cuda/version.rb b/ruby/red-arrow-cuda/lib/arrow-cuda/version.rb
index dbaf09a..e728c7c 100644
--- a/ruby/red-arrow-cuda/lib/arrow-cuda/version.rb
+++ b/ruby/red-arrow-cuda/lib/arrow-cuda/version.rb
@@ -16,7 +16,7 @@
 # under the License.
 
 module ArrowCUDA
-  VERSION = "6.0.0-SNAPSHOT"
+  VERSION = "7.0.0-SNAPSHOT"
 
   module Version
     numbers, TAG = VERSION.split("-")
diff --git a/ruby/red-arrow-dataset/lib/arrow-dataset/version.rb b/ruby/red-arrow-dataset/lib/arrow-dataset/version.rb
index 56e5765..adb804a 100644
--- a/ruby/red-arrow-dataset/lib/arrow-dataset/version.rb
+++ b/ruby/red-arrow-dataset/lib/arrow-dataset/version.rb
@@ -16,7 +16,7 @@
 # under the License.
 
 module ArrowDataset
-  VERSION = "6.0.0-SNAPSHOT"
+  VERSION = "7.0.0-SNAPSHOT"
 
   module Version
     numbers, TAG = VERSION.split("-")
diff --git a/ruby/red-arrow-flight/lib/arrow-flight/version.rb b/ruby/red-arrow-flight/lib/arrow-flight/version.rb
index 75e8b2e..57789ad 100644
--- a/ruby/red-arrow-flight/lib/arrow-flight/version.rb
+++ b/ruby/red-arrow-flight/lib/arrow-flight/version.rb
@@ -16,7 +16,7 @@
 # under the License.
 
 module ArrowFlight
-  VERSION = "6.0.0-SNAPSHOT"
+  VERSION = "7.0.0-SNAPSHOT"
 
   module Version
     numbers, TAG = VERSION.split("-")
diff --git a/ruby/red-arrow/lib/arrow/version.rb b/ruby/red-arrow/lib/arrow/version.rb
index 6979bc8..a54bdaa 100644
--- a/ruby/red-arrow/lib/arrow/version.rb
+++ b/ruby/red-arrow/lib/arrow/version.rb
@@ -16,7 +16,7 @@
 # under the License.
 
 module Arrow
-  VERSION = "6.0.0-SNAPSHOT"
+  VERSION = "7.0.0-SNAPSHOT"
 
   module Version
     numbers, TAG = VERSION.split("-")
diff --git a/ruby/red-gandiva/lib/gandiva/version.rb b/ruby/red-gandiva/lib/gandiva/version.rb
index 2b38fb7..bb2d36f 100644
--- a/ruby/red-gandiva/lib/gandiva/version.rb
+++ b/ruby/red-gandiva/lib/gandiva/version.rb
@@ -16,7 +16,7 @@
 # under the License.
 
 module Gandiva
-  VERSION = "6.0.0-SNAPSHOT"
+  VERSION = "7.0.0-SNAPSHOT"
 
   module Version
     numbers, TAG = VERSION.split("-")
diff --git a/ruby/red-parquet/lib/parquet/version.rb b/ruby/red-parquet/lib/parquet/version.rb
index f803eb2..36e0348 100644
--- a/ruby/red-parquet/lib/parquet/version.rb
+++ b/ruby/red-parquet/lib/parquet/version.rb
@@ -16,7 +16,7 @@
 # under the License.
 
 module Parquet
-  VERSION = "6.0.0-SNAPSHOT"
+  VERSION = "7.0.0-SNAPSHOT"
 
   module Version
     numbers, TAG = VERSION.split("-")
diff --git a/ruby/red-plasma/lib/plasma/version.rb b/ruby/red-plasma/lib/plasma/version.rb
index 8032429..241920e 100644
--- a/ruby/red-plasma/lib/plasma/version.rb
+++ b/ruby/red-plasma/lib/plasma/version.rb
@@ -16,7 +16,7 @@
 # under the License.
 
 module Plasma
-  VERSION = "6.0.0-SNAPSHOT"
+  VERSION = "7.0.0-SNAPSHOT"
 
   module Version
     numbers, TAG = VERSION.split("-")