Yes. Note that it's currently already being installed, as a side-effect of either libbost-filesystem-dev or libboost-system-dev. However, once we are no-longer installing those packages, i.e post #20744, users will still need to install the boost headers, for multi-index, process etc. As far as I can, tell, libboost-dev is the leanest way to achieve that. There is no libbbost-muti-index-dev, or libboost-process-dev packages or similar from what I can find, that we could selectively use to install just the components we want.
In a clean Ubuntu Focal vm if you compare libboost-dev to libboost-all-dev, the difference is quite substantial:
apt install libboost-dev
The following NEW packages will be installed:
gcc-7-base gcc-8-base libasan4 libatomic1 libboost-dev libboost1.71-dev libc-dev-bin libc6-dev libcilkrts5 libcrypt-dev libgcc-7-dev libgomp1
libitm1 liblsan0 libmpx2 libquadmath0 libstdc++-7-dev libtsan0 libubsan0 linux-libc-dev manpages manpages-dev
apt install libboost-all-dev
The following NEW packages will be installed:
autoconf automake autotools-dev binutils binutils-common binutils-x86-64-linux-gnu cpp cpp-8 cpp-9 file gcc gcc-7-base gcc-8 gcc-8-base gcc-9
gcc-9-base gfortran gfortran-8 gfortran-9 ibverbs-providers icu-devtools krb5-locales libasan4 libasan5 libatomic1 libbinutils libboost-all-dev
libboost-atomic-dev libboost-atomic1.71-dev libboost-atomic1.71.0 libboost-chrono-dev libboost-chrono1.71-dev libboost-chrono1.71.0
libboost-container-dev libboost-container1.71-dev libboost-container1.71.0 libboost-context-dev libboost-context1.71-dev libboost-context1.71.0
libboost-coroutine-dev libboost-coroutine1.71-dev libboost-coroutine1.71.0 libboost-date-time-dev libboost-date-time1.71-dev
libboost-date-time1.71.0 libboost-dev libboost-exception-dev libboost-exception1.71-dev libboost-fiber-dev libboost-fiber1.71-dev
libboost-fiber1.71.0 libboost-filesystem-dev libboost-filesystem1.71-dev libboost-filesystem1.71.0 libboost-graph-dev
libboost-graph-parallel-dev libboost-graph-parallel1.71-dev libboost-graph-parallel1.71.0 libboost-graph1.71-dev libboost-graph1.71.0
libboost-iostreams-dev libboost-iostreams1.71-dev libboost-iostreams1.71.0 libboost-locale-dev libboost-locale1.71-dev libboost-locale1.71.0
libboost-log-dev libboost-log1.71-dev libboost-log1.71.0 libboost-math-dev libboost-math1.71-dev libboost-math1.71.0 libboost-mpi-dev
libboost-mpi-python-dev libboost-mpi-python1.71-dev libboost-mpi-python1.71.0 libboost-mpi1.71-dev libboost-mpi1.71.0 libboost-numpy-dev
libboost-numpy1.71-dev libboost-numpy1.71.0 libboost-program-options-dev libboost-program-options1.71-dev libboost-program-options1.71.0
libboost-python-dev libboost-python1.71-dev libboost-python1.71.0 libboost-random-dev libboost-random1.71-dev libboost-random1.71.0
libboost-regex-dev libboost-regex1.71-dev libboost-regex1.71.0 libboost-serialization-dev libboost-serialization1.71-dev
libboost-serialization1.71.0 libboost-stacktrace-dev libboost-stacktrace1.71-dev libboost-stacktrace1.71.0 libboost-system-dev
libboost-system1.71-dev libboost-system1.71.0 libboost-test-dev libboost-test1.71-dev libboost-test1.71.0 libboost-thread-dev
libboost-thread1.71-dev libboost-thread1.71.0 libboost-timer-dev libboost-timer1.71-dev libboost-timer1.71.0 libboost-tools-dev
libboost-type-erasure-dev libboost-type-erasure1.71-dev libboost-type-erasure1.71.0 libboost-wave-dev libboost-wave1.71-dev libboost-wave1.71.0
libboost1.71-dev libboost1.71-tools-dev libbsd0 libc-dev-bin libc6-dev libcaf-openmpi-3 libcbor0.6 libcc1-0 libcilkrts5 libcoarrays-dev
libcoarrays-openmpi-dev libcrypt-dev libctf-nobfd0 libctf0 libedit2 libevent-2.1-7 libevent-core-2.1-7 libevent-dev libevent-extra-2.1-7
libevent-openssl-2.1-7 libevent-pthreads-2.1-7 libexpat1 libexpat1-dev libfabric1 libfido2-1 libgcc-7-dev libgcc-8-dev libgcc-9-dev
libgdbm-compat4 libgdbm6 libgfortran-8-dev libgfortran-9-dev libgfortran5 libgomp1 libgssapi-krb5-2 libhwloc-dev libhwloc-plugins libhwloc15
libibverbs-dev libibverbs1 libicu-dev libicu66 libisl22 libitm1 libk5crypto3 libkeyutils1 libkrb5-3 libkrb5support0 liblsan0 libltdl-dev
libltdl7 libmagic-mgc libmagic1 libmpc3 libmpdec2 libmpfr6 libmpx2 libnl-3-200 libnl-3-dev libnl-route-3-200 libnl-route-3-dev libnuma-dev
libnuma1 libopenmpi-dev libopenmpi3 libpciaccess0 libperl5.30 libpmix2 libpsm-infinipath1 libpsm2-2 libpython3-dev libpython3-stdlib
libpython3.8 libpython3.8-dev libpython3.8-minimal libpython3.8-stdlib libquadmath0 librdmacm1 libreadline8 libsigsegv2 libsqlite3-0 libssl1.1
libstdc++-7-dev libtool libtsan0 libubsan0 libubsan1 libx11-6 libx11-data libxau6 libxcb1 libxdmcp6 libxext6 libxml2 libxmuu1 libxnvctrl0
linux-libc-dev m4 manpages manpages-dev mime-support mpi-default-bin mpi-default-dev netbase ocl-icd-libopencl1 openmpi-bin openmpi-common
openssh-client perl perl-modules-5.30 python3 python3-dev python3-distutils python3-lib2to3 python3-minimal python3.8 python3.8-dev
python3.8-minimal readline-common tzdata xauth xz-utils zlib1g-dev