I can give you somewhat authoritative answers for Bitcoin and Electrum
(see below sections).
Regarding `phatch`, it was available up through Artful but was removed
for Bionic (18.04) because of its dependencies on python-imaging, and
details on all this are available in the Launchpad bug for the r
Hello Ubuntu developers,
Why are some packages, which are available in allDebian releases,
including Debian Sid, are not included in Ubuntu 18.04? Examples of
packages: phatch (was available in all previous Ubuntu releases),
electrum, bitcoin-qt
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С уважением,
Михаил Новоселов, техни