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 id 1vvLuJ-00000003Q5l-0GXV; Wed, 25 Feb 2026 21:54:55 +0100
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From: Peter Gervai &lt;grin@grin.hu&gt;
To: Debian Bug Tracking System &lt;submit@bugs.debian.org&gt;
Subject: matrix-synapse: pympler was removed from debian, still recommended
Message-ID: &lt;177205289503.812666.514066804724721506.reportbug@foobar.grin.hu&gt;
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Date: Wed, 25 Feb 2026 21:54:55 +0100
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 Wed, 25 Feb 2026 21:29:13 UTC
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Package: matrix-synapse
Version: 1.146.0-3
Severity: important

pympler was removed from debian (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1082154) but the package still recommends it.
It is a problem since if the old version is installed, synapse won't start:

2026-02-25_20:21:05.30404 Synapse 1.146.0 needs pympler&gt;=1.0; extra == &quot;cache-memory&quot;, but got pympler==0.9
2026-02-25_20:21:05.30407 Synapse 1.146.0 needs pympler&gt;=1.0; extra == &quot;all&quot;, but got pympler==0.9
2026-02-25_20:21:05.30412 Missing Requirements: pympler, pympler

Removing pympler makes it work again (but the memory management consequences may be relevant).


Versions of packages matrix-synapse recommends:
pn  matrix-synapse-ldap3  &lt;none&gt;
pn  python3-pympler       &lt;none&gt;
]