BUG #17613: in the postgresql 15beta4,there are lack of many extensions

The following bug has been logged on the website:

Bug reference: 17613
Logged by: yanliang lei
Email address: msdnchina(at)163(dot)com
PostgreSQL version: Unsupported/Unknown
Operating system: RHEL9.0
Description:

my postgresql 15beta4 installation method:

./configure --prefix=/home/pg15bt4/soft
--includedir=/home/pg15bt4/soft/include --libdir=/home/pg15bt4/soft/lib
--mandir=/home/pg15bt4/soft/share/man --datadir=/home/pg15bt4/soft/share
--with-icu --with-perl --with-python --with-tcl
--with-tclconfig=/usr/lib64 --with-openssl --with-pam --with-gssapi
--with-libraries=/usr/lib64 --enable-nls --enable-dtrace --with-uuid=e2fs
--with-libxml --with-libxslt --with-ldap --with-selinux --with-systemd
--with-system-tzdata=/usr/share/zoneinfo --docdir=/home/pg15bt4/soft/doc
--htmldir=/home/pg15bt4/soft/doc/html --with-lz4
make world
make install world

and the following is the postgresql 15beta4:
[pg15bt4(at)rhel90 extension]$ pwd
/home/pg15bt4/soft/share/postgresql/extension
[pg15bt4(at)rhel90 extension]$ ll |grep control | wc -l
6
[pg15bt4(at)rhel90 extension]$
[pg15bt4(at)rhel90 extension]$ ll
总用量 48
-rw-r--r-- 1 pg15bt4 pg15bt4 642 9月 12 16:25 plperl--1.0.sql
-rw-r--r-- 1 pg15bt4 pg15bt4 190 9月 12 16:25 plperl.control
-rw-r--r-- 1 pg15bt4 pg15bt4 530 9月 12 16:25 plperlu--1.0.sql
-rw-r--r-- 1 pg15bt4 pg15bt4 187 9月 12 16:25 plperlu.control
-rw-r--r-- 1 pg15bt4 pg15bt4 658 9月 12 16:25 plpgsql--1.0.sql
-rw-r--r-- 1 pg15bt4 pg15bt4 193 9月 12 16:25 plpgsql.control
-rw-r--r-- 1 pg15bt4 pg15bt4 556 9月 12 16:25 plpython3u--1.0.sql
-rw-r--r-- 1 pg15bt4 pg15bt4 196 9月 12 16:25 plpython3u.control
-rw-r--r-- 1 pg15bt4 pg15bt4 374 9月 12 16:25 pltcl--1.0.sql
-rw-r--r-- 1 pg15bt4 pg15bt4 187 9月 12 16:25 pltcl.control
-rw-r--r-- 1 pg15bt4 pg15bt4 259 9月 12 16:25 pltclu--1.0.sql
-rw-r--r-- 1 pg15bt4 pg15bt4 184 9月 12 16:25 pltclu.control
[pg15bt4(at)rhel90 extension]$ pwd
/home/pg15bt4/soft/share/postgresql/extension
[pg15bt4(at)rhel90 extension]$

and the following is the postgresql 15beta1:
[pg15beta1(at)VM-0-8-centos extension]$ ll |grep control | wc -l
61
[pg15beta1(at)VM-0-8-centos extension]$ pwd
/home/pg15beta1/soft/share/postgresql/extension
[pg15beta1(at)VM-0-8-centos extension]$