wasmtime
A WebAssembly runtime powered by Wasmtime
48.0.0
1.9M downloads/mo
#3449 most downloaded on PyPI
bytecodealliance/wasmtime-py
What this package is like to depend on
Last release 2 days ago
20 Aug 2026
Ships on a steady schedule
a new release about every 4 weeks
Rarely documented
notes for 9 of 90 stable releases
2 versions withdrawn
withdrawn after publishing
7 years old
92 releases · first in 2019
12 releases in the last 12 months
see the full history below
Release timeline
92 releases · Aug 2019 to Aug 2026Releases
latest 60 of 92-
48.0.020 Aug 2026 -
47.0.120 Jul 2026Commits, not release notes
This project publishes no release notes. Between
46.0.1and47.0.1there were 2 commits, 1 of them substantive:- Update to 47.0.0 (#340)
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46.0.129 Jun 2026Commits, not release notes
This project publishes no release notes. Between
45.0.0and46.0.1there were 2 commits, 2 of them substantive:- Add wasi:http support (#332)
- Update to Wasmtime 46.0.1 (#339)
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45.0.026 May 2026Commits, not release notes
This project publishes no release notes. Between
44.0.0and45.0.0there were 3 commits, 3 of them substantive:- Add bindings for various features/APIs in the C API not previously here (#335)
- Fix BaseException escape from host callback trampoline (#336) (#337)
- Update to Wasmtime 45.0.0 (#338)
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44.0.020 Apr 2026Commits, not release notes
This project publishes no release notes. Between
43.0.0and44.0.0there were 2 commits, 2 of them substantive:- Fix MRO for VariantLikeType.add_classes (#331)
- Update to Wasmtime 44.0.0 (#334)
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43.0.031 Mar 2026 -
42.0.024 Feb 2026Commits, not release notes
This project publishes no release notes. Between
41.0.0and42.0.0there were 2 commits, 1 of them substantive:- Delete obsolete section in Readme recommending wasmtime.loader (#327)
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41.0.020 Jan 2026 -
40.0.022 Dec 2025Commits, not release notes
This project publishes no release notes. Between
39.0.0and40.0.0there were 3 commits, 2 of them substantive:- Use
uvon CI (#321) - remove unused dependency (#324)
- Use
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39.0.020 Nov 2025Commits, not release notes
This project publishes no release notes. Between
38.0.0and39.0.0there were 16 commits, 15 of them substantive:- Fix ResourceReader ImportError exception on Python 3.14 (#299)
- Add musl aarch64 binaries (#295)
- Update to dev release (#305)
- Add support for exceptions configuration (#296)
- Add
__main__guards to examples (#306) - Fix defining fields of forward-declared structures (#307)
- Bind the C API for components (#308)
- Delete
wasmtime.loaderandwasmtime.bindgen(#310) - Implement capturing stdout/stderr in Python (#311)
- Delete outdated contributing docs
- Cut down component section of README
- Declare wasmtime.* packages and exclude .git/ et al when discovering tests (#314)
- Eliminate
from ... import *in wasmtime.* (#304) - Remove componentize-py dependency, no longer needed (#317)
- Fix tests in PyPy3 (#320)
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38.0.020 Oct 2025Nothing published for this version
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37.0.008 Oct 2025Nothing published for this version
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36.0.020 Aug 2025Nothing published for this version
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35.0.022 Jul 2025Nothing published for this version
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34.0.020 Jun 2025Nothing published for this version
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33.0.020 May 2025Nothing published for this version
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32.0.021 Apr 2025Nothing published for this version
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31.0.021 Mar 2025Nothing published for this version
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30.0.020 Feb 2025Nothing published for this version
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29.0.022 Jan 2025Nothing published for this version
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28.0.020 Dec 2024Nothing published for this version
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27.0.225 Nov 2024Nothing published for this version
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27.0.121 Nov 2024Nothing published for this version
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27.0.020 Nov 2024 withdrawnFixed API compat in 27.0.1
Nothing published for this version
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25.0.020 Sep 2024Nothing published for this version
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24.0.020 Aug 2024Nothing published for this version
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23.0.022 Jul 2024Nothing published for this version
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22.0.020 Jun 2024Nothing published for this version
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21.0.020 May 2024Nothing published for this version
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20.0.023 Apr 2024Nothing published for this version
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19.0.020 Mar 2024Nothing published for this version
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18.0.202 Mar 2024Nothing published for this version
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18.0.021 Feb 2024Nothing published for this version
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17.0.108 Feb 2024Nothing published for this version
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17.0.025 Jan 2024Nothing published for this version
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16.0.022 Jan 2024Nothing published for this version
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15.0.020 Nov 2023Nothing published for this version
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14.0.022 Oct 2023Nothing published for this version
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13.0.225 Sep 2023Nothing published for this version
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13.0.121 Sep 2023Nothing published for this version
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13.0.020 Sep 2023Nothing published for this version
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12.0.021 Aug 2023Nothing published for this version
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11.0.020 Jul 2023Nothing published for this version
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10.0.118 Jul 2023Nothing published for this version
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10.0.003 Jul 2023Nothing published for this version
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9.0.022 May 2023Nothing published for this version
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8.0.124 Apr 2023Nothing published for this version
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8.0.020 Apr 2023Nothing published for this version
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7.0.020 Mar 2023Nothing published for this version
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6.0.020 Feb 2023Nothing published for this version
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5.0.020 Jan 2023Nothing published for this version
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4.0.007 Jan 2023Nothing published for this version
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3.0.022 Nov 2022Nothing published for this version
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2.0.024 Oct 2022Nothing published for this version
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1.0.127 Sep 2022Nothing published for this version
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1.0.021 Sep 2022Nothing published for this version
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0.40.030 Aug 2022Nothing published for this version
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0.39.121 Jul 2022Nothing published for this version
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0.38.021 Jun 2022Nothing published for this version
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0.37.015 Jun 2022Nothing published for this version