Still sluggish. Downloading texmf.zip took 22s for 50MB:

$ wget http://lmtx.pragma-ade.com/install-lmtx//texmf.zip
--2023-05-30 09:02:50--  http://lmtx.pragma-ade.com/install-lmtx//texmf.zip
Resolving lmtx.pragma-ade.com (lmtx.pragma-ade.com)... 213.125.29.165
Connecting to lmtx.pragma-ade.com (lmtx.pragma-ade.com)|213.125.29.165|:80...
connected.
HTTP request sent, awaiting response... 200 OK
Length: 53293716 (51M) [application/zip]
Saving to: ‘texmf.zip’

texmf.zip           100%[===================>]  50.82M  2.48MB/s    in 22s


2023-05-30 09:03:13 (2.26 MB/s) - ‘texmf.zip’ saved [53293716/53293716]

In the past, downloading 50MB has been much faster.

----

The following takes about 4 minutes:

mtx-install     | unzipping 'texmf.zip'
  69 files of  692 done,    6635323 bytes, 0.027 seconds
... snip ...
 692 files of  692 done,   86353557 bytes, 0.477 seconds
mtx-install     | installing tex/texmf, 642 files
mtx-install     | new      :   0 % :   115868 :
tex/texmf/fonts/data/cms/companion/RalphSmithsFormalScript-Companion.otf
mtx-install     | new      :   0 % :     5308 :
tex/texmf/fonts/data/cms/companion/TeXGyreBonumMath-Companion.otf
... snip ...
mtx-install     | new      :  22 % :   139508 :
tex/texmf/fonts/data/gust/kurier-math/kurierri.pfb

Previously, getting to 22% was also quite quick.

Cheers!