| route-pattern | /_view_fragments/voltron/pull_requests/show/:user_id/:repository/:id/pull_request_layout(.:format) |
| route-controller | voltron_pull_requests_fragments |
| route-action | pull_request_layout |
| fetch-nonce | v2:11b10799-5a4c-6118-89e5-6350c515626d |
| current-catalog-service-hash | ae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b |
| request-id | A988:23CB5E:6B3B5D:979C59:696A553A |
| html-safe-nonce | 52df7e90284934b8e96b0c0eae54c0384306f2923875f1e9690766a31f9bccee |
| visitor-payload | eyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJBOTg4OjIzQ0I1RTo2QjNCNUQ6OTc5QzU5OjY5NkE1NTNBIiwidmlzaXRvcl9pZCI6IjI4ODAxMTM0NzE2OTg2NTQ1MjIiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ== |
| visitor-hmac | 9042c7ab7f32e7cebfee1f9073cef35ebffc6dea013acf2961a5f6d91c8f1b00 |
| hovercard-subject-tag | pull_request:2804917075 |
| github-keyboard-shortcuts | repository,pull-request-list,pull-request-conversation,pull-request-files-changed,copilot |
| google-site-verification | Apib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I |
| octolytics-url | https://collector.github.com/github/collect |
| analytics-location | ///voltron/pull_requests_fragments/pull_request_layout |
| fb:app_id | 1401488693436528 |
| apple-itunes-app | app-id=1477376905, app-argument=https://github.com/_view_fragments/voltron/pull_requests/show/python/cpython/138582/pull_request_layout |
| twitter:image | https://opengraph.githubassets.com/dbd5f7fb63fab387f9c4ed8c1161bac8ab1aebcd02ba68610d2ae945914e9b0b/python/cpython/pull/138582 |
| twitter:card | summary_large_image |
| og:image | https://opengraph.githubassets.com/dbd5f7fb63fab387f9c4ed8c1161bac8ab1aebcd02ba68610d2ae945914e9b0b/python/cpython/pull/138582 |
| og:image:alt | This only adds the Py_TPFLAGS_IMMUTABLETYPE flag and assumes that other GC-related issues are solved (not all types are actually empty). I've added NEWS entries just because we also mention tra... |
| og:image:width | 1200 |
| og:image:height | 600 |
| og:site_name | GitHub |
| og:type | object |
| og:author:username | picnixz |
| hostname | github.com |
| expected-hostname | github.com |
| None | 3f871c8e07f0ae1886fa8dac284166d28b09ad5bada6476fc10b674e489788ef |
| turbo-cache-control | no-preview |
| go-import | github.com/python/cpython git https://github.com/python/cpython.git |
| octolytics-dimension-user_id | 1525981 |
| octolytics-dimension-user_login | python |
| octolytics-dimension-repository_id | 81598961 |
| octolytics-dimension-repository_nwo | python/cpython |
| octolytics-dimension-repository_public | true |
| octolytics-dimension-repository_is_fork | false |
| octolytics-dimension-repository_network_root_id | 81598961 |
| octolytics-dimension-repository_network_root_nwo | python/cpython |
| turbo-body-classes | logged-out env-production page-responsive |
| disable-turbo | false |
| browser-stats-url | https://api.github.com/_private/browser/stats |
| browser-errors-url | https://api.github.com/_private/browser/errors |
| release | 63c426b30d262aba269ef14c40e3c817b384cd61 |
| ui-target | canary-2 |
| theme-color | #1e2327 |
| color-scheme | light dark |
| Skip to content | https://github.com/python/cpython/pull/138582#start-of-content |
|
| https://github.com/ |
|
Sign in
| https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F138582 |
| GitHub CopilotWrite better code with AI | https://github.com/features/copilot |
| GitHub SparkBuild and deploy intelligent apps | https://github.com/features/spark |
| GitHub ModelsManage and compare prompts | https://github.com/features/models |
| MCP RegistryNewIntegrate external tools | https://github.com/mcp |
| ActionsAutomate any workflow | https://github.com/features/actions |
| CodespacesInstant dev environments | https://github.com/features/codespaces |
| IssuesPlan and track work | https://github.com/features/issues |
| Code ReviewManage code changes | https://github.com/features/code-review |
| GitHub Advanced SecurityFind and fix vulnerabilities | https://github.com/security/advanced-security |
| Code securitySecure your code as you build | https://github.com/security/advanced-security/code-security |
| Secret protectionStop leaks before they start | https://github.com/security/advanced-security/secret-protection |
| Why GitHub | https://github.com/why-github |
| Documentation | https://docs.github.com |
| Blog | https://github.blog |
| Changelog | https://github.blog/changelog |
| Marketplace | https://github.com/marketplace |
| View all features | https://github.com/features |
| Enterprises | https://github.com/enterprise |
| Small and medium teams | https://github.com/team |
| Startups | https://github.com/enterprise/startups |
| Nonprofits | https://github.com/solutions/industry/nonprofits |
| App Modernization | https://github.com/solutions/use-case/app-modernization |
| DevSecOps | https://github.com/solutions/use-case/devsecops |
| DevOps | https://github.com/solutions/use-case/devops |
| CI/CD | https://github.com/solutions/use-case/ci-cd |
| View all use cases | https://github.com/solutions/use-case |
| Healthcare | https://github.com/solutions/industry/healthcare |
| Financial services | https://github.com/solutions/industry/financial-services |
| Manufacturing | https://github.com/solutions/industry/manufacturing |
| Government | https://github.com/solutions/industry/government |
| View all industries | https://github.com/solutions/industry |
| View all solutions | https://github.com/solutions |
| AI | https://github.com/resources/articles?topic=ai |
| Software Development | https://github.com/resources/articles?topic=software-development |
| DevOps | https://github.com/resources/articles?topic=devops |
| Security | https://github.com/resources/articles?topic=security |
| View all topics | https://github.com/resources/articles |
| Customer stories | https://github.com/customer-stories |
| Events & webinars | https://github.com/resources/events |
| Ebooks & reports | https://github.com/resources/whitepapers |
| Business insights | https://github.com/solutions/executive-insights |
| GitHub Skills | https://skills.github.com |
| Documentation | https://docs.github.com |
| Customer support | https://support.github.com |
| Community forum | https://github.com/orgs/community/discussions |
| Trust center | https://github.com/trust-center |
| Partners | https://github.com/partners |
| GitHub SponsorsFund open source developers | https://github.com/sponsors |
| Security Lab | https://securitylab.github.com |
| Maintainer Community | https://maintainers.github.com |
| Accelerator | https://github.com/accelerator |
| Archive Program | https://archiveprogram.github.com |
| Topics | https://github.com/topics |
| Trending | https://github.com/trending |
| Collections | https://github.com/collections |
| Enterprise platformAI-powered developer platform | https://github.com/enterprise |
| GitHub Advanced SecurityEnterprise-grade security features | https://github.com/security/advanced-security |
| Copilot for BusinessEnterprise-grade AI features | https://github.com/features/copilot/copilot-business |
| Premium SupportEnterprise-grade 24/7 support | https://github.com/premium-support |
| Pricing | https://github.com/pricing |
| Search syntax tips | https://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax |
| documentation | https://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax |
|
Sign in
| https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F138582 |
|
Sign up
| https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fvoltron%2Fpull_requests_fragments%2Fpull_request_layout&source=header-repo&source_repo=python%2Fcpython |
| Reload | https://github.com/python/cpython/pull/138582 |
| Reload | https://github.com/python/cpython/pull/138582 |
| Reload | https://github.com/python/cpython/pull/138582 |
|
python
| https://github.com/python |
| cpython | https://github.com/python/cpython |
| Please reload this page | https://github.com/python/cpython/pull/138582 |
|
Notifications
| https://github.com/login?return_to=%2Fpython%2Fcpython |
|
Fork
33.9k
| https://github.com/login?return_to=%2Fpython%2Fcpython |
|
Star
71.1k
| https://github.com/login?return_to=%2Fpython%2Fcpython |
|
Code
| https://github.com/python/cpython |
|
Issues
5k+
| https://github.com/python/cpython/issues |
|
Pull requests
2.1k
| https://github.com/python/cpython/pulls |
|
Actions
| https://github.com/python/cpython/actions |
|
Projects
31
| https://github.com/python/cpython/projects |
|
Security
Uh oh!
There was an error while loading. Please reload this page.
| https://github.com/python/cpython/security |
| Please reload this page | https://github.com/python/cpython/pull/138582 |
|
Insights
| https://github.com/python/cpython/pulse |
|
Code
| https://github.com/python/cpython |
|
Issues
| https://github.com/python/cpython/issues |
|
Pull requests
| https://github.com/python/cpython/pulls |
|
Actions
| https://github.com/python/cpython/actions |
|
Projects
| https://github.com/python/cpython/projects |
|
Security
| https://github.com/python/cpython/security |
|
Insights
| https://github.com/python/cpython/pulse |
| Sign up for GitHub
| https://github.com/signup?return_to=%2Fpython%2Fcpython%2Fissues%2Fnew%2Fchoose |
| terms of service | https://docs.github.com/terms |
| privacy statement | https://docs.github.com/privacy |
| Sign in | https://github.com/login?return_to=%2Fpython%2Fcpython%2Fissues%2Fnew%2Fchoose |
| Jump to bottom | https://github.com/python/cpython/pull/138582#issue-comment-box |
| picnixz | https://github.com/picnixz |
| python:main | https://github.com/python/cpython/tree/main |
| picnixz:feat/gc/immutable-heap-types-116946 | https://github.com/picnixz/cpython/tree/feat/gc/immutable-heap-types-116946 |
|
gh-116946: add Py_TPFLAGS_IMMUTABLETYPE to several internal types
| https://github.com/python/cpython/pull/138582#top |
| picnixz | https://github.com/picnixz |
| python:main | https://github.com/python/cpython/tree/main |
| picnixz:feat/gc/immutable-heap-types-116946 | https://github.com/picnixz/cpython/tree/feat/gc/immutable-heap-types-116946 |
|
Conversation
5
| https://github.com/python/cpython/pull/138582 |
|
Commits
10
| https://github.com/python/cpython/pull/138582/commits |
|
Checks
47
| https://github.com/python/cpython/pull/138582/checks |
|
Files changed
| https://github.com/python/cpython/pull/138582/files |
| Please reload this page | https://github.com/python/cpython/pull/138582 |
| https://github.co/hiddenchars |
| https://github.com/python/cpython/pull/{{ revealButtonHref }} |
|
| https://github.com/picnixz |
| picnixz | https://github.com/picnixz |
| Sep 6, 2025 | https://github.com/python/cpython/pull/138582#issue-3390218031 |
| Please reload this page | https://github.com/python/cpython/pull/138582 |
| @serhiy-storchaka | https://github.com/serhiy-storchaka |
| @pablogsal | https://github.com/pablogsal |
| Heap types implemented in C must have Py_TPFLAGS_HAVE_GC and implement tp_traverse #116946 | https://github.com/python/cpython/issues/116946 |
| Please reload this page | https://github.com/python/cpython/pull/138582 |
| picnixz | https://github.com/picnixz |
| September 6, 2025 14:35 | https://github.com/python/cpython/pull/138582#commits-pushed-53c9fe8 |
|
| https://github.com/picnixz |
| make _tkinter.Tcl_Obj immutable | https://github.com/python/cpython/pull/138582/commits/53c9fe80cceeb997767c2eab2f5f11eda6f502ee |
| 53c9fe8 | https://github.com/python/cpython/pull/138582/commits/53c9fe80cceeb997767c2eab2f5f11eda6f502ee |
|
| https://github.com/picnixz |
| make _curses_panel.panel immutable | https://github.com/python/cpython/pull/138582/commits/8db011335e99bc21231ad3dfa3559c00e418fdcb |
| 8db0113 | https://github.com/python/cpython/pull/138582/commits/8db011335e99bc21231ad3dfa3559c00e418fdcb |
|
| https://github.com/picnixz |
| make _tkinter.tkapp immutable | https://github.com/python/cpython/pull/138582/commits/c7213ac07acec82651c081ba764cf184c1a9ed4f |
| c7213ac | https://github.com/python/cpython/pull/138582/commits/c7213ac07acec82651c081ba764cf184c1a9ed4f |
|
| https://github.com/picnixz |
| make _tkinter.tktimertoken immutable | https://github.com/python/cpython/pull/138582/commits/443908f582add0bc17e8383b16b9ad405e5e5198 |
| 443908f | https://github.com/python/cpython/pull/138582/commits/443908f582add0bc17e8383b16b9ad405e5e5198 |
|
| https://github.com/picnixz |
| make zlib.Compress immutable | https://github.com/python/cpython/pull/138582/commits/2ceb790da6d6c32482b8ed67ea6b3231bfc35715 |
| 2ceb790 | https://github.com/python/cpython/pull/138582/commits/2ceb790da6d6c32482b8ed67ea6b3231bfc35715 |
|
| https://github.com/picnixz |
| make zlib.Decompress immutable | https://github.com/python/cpython/pull/138582/commits/2b0f8efaa337109c760964d185c84cd36e5bd497 |
| 2b0f8ef | https://github.com/python/cpython/pull/138582/commits/2b0f8efaa337109c760964d185c84cd36e5bd497 |
|
| https://github.com/picnixz |
| make [posix,nt].ScandirIterator immutable | https://github.com/python/cpython/pull/138582/commits/ba552636c4bcba0ae0e5b7d3f3bd3376ee156219 |
| ba55263 | https://github.com/python/cpython/pull/138582/commits/ba552636c4bcba0ae0e5b7d3f3bd3376ee156219 |
|
| https://github.com/picnixz |
| make [posix,nt].DirEntry immutable | https://github.com/python/cpython/pull/138582/commits/934432e15e380144836541796c518ac0a907f6ad |
| 934432e | https://github.com/python/cpython/pull/138582/commits/934432e15e380144836541796c518ac0a907f6ad |
| https://github.com/picnixz |
| picnixz | https://github.com/picnixz |
| 1st1 | https://github.com/1st1 |
| ambv | https://github.com/ambv |
| pablogsal | https://github.com/pablogsal |
| code owners | https://github.com/python/cpython/blob/c919d02edecfe9d75fe374756fb8aa1db8d95f55/.github/CODEOWNERS#L316 |
| September 6, 2025 13:52 | https://github.com/python/cpython/pull/138582#event-19543498544 |
| https://github.com/apps/bedevere-app |
| bedevere-app | https://github.com/apps/bedevere-app |
|
awaiting core review
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20core%20review%22 |
| Sep 6, 2025 | https://github.com/python/cpython/pull/138582#event-19543498735 |
| https://github.com/apps/bedevere-app |
| bedevere-app | https://github.com/apps/bedevere-app |
|
Sep 6, 2025
| https://github.com/python/cpython/pull/138582#ref-issue-2191475400 |
|
Heap types implemented in C must have Py_TPFLAGS_HAVE_GC and implement tp_traverse
#116946
| https://github.com/python/cpython/issues/116946 |
| picnixz | https://github.com/picnixz |
| September 6, 2025 15:59 | https://github.com/python/cpython/pull/138582#commits-pushed-60f9545 |
|
| https://github.com/picnixz |
| make _remote_debugging.RemoteUnwinder immutable | https://github.com/python/cpython/pull/138582/commits/60f9545097083445e0fed70e05929b108bc191dc |
| 60f9545 | https://github.com/python/cpython/pull/138582/commits/60f9545097083445e0fed70e05929b108bc191dc |
|
| https://github.com/picnixz |
| blurb | https://github.com/python/cpython/pull/138582/commits/6405c1cbe556e6a2026595c03084f309b7b57bf3 |
| 6405c1c | https://github.com/python/cpython/pull/138582/commits/6405c1cbe556e6a2026595c03084f309b7b57bf3 |
| https://github.com/picnixz |
| picnixz | https://github.com/picnixz |
| force-pushed | https://github.com/python/cpython/compare/970baf216048f088f370a08685c8597bd0971330..6405c1cbe556e6a2026595c03084f309b7b57bf3 |
| 970baf2 | https://github.com/python/cpython/commit/970baf216048f088f370a08685c8597bd0971330 |
| 6405c1c | https://github.com/python/cpython/commit/6405c1cbe556e6a2026595c03084f309b7b57bf3 |
|
Compare
| https://github.com/python/cpython/compare/970baf216048f088f370a08685c8597bd0971330..6405c1cbe556e6a2026595c03084f309b7b57bf3 |
| September 6, 2025 13:59 | https://github.com/python/cpython/pull/138582#event-19543552618 |
| https://github.com/picnixz |
| picnixz | https://github.com/picnixz |
| serhiy-storchaka | https://github.com/serhiy-storchaka |
| September 6, 2025 14:06 | https://github.com/python/cpython/pull/138582#event-19543616983 |
| https://github.com/pablogsal |
| pablogsal | https://github.com/pablogsal |
| Sep 6, 2025 | https://github.com/python/cpython/pull/138582#issuecomment-3262415398 |
| Please reload this page | https://github.com/python/cpython/pull/138582 |
| @pablogsal | https://github.com/pablogsal |
| Please reload this page | https://github.com/python/cpython/pull/138582 |
| https://github.com/picnixz |
| picnixz | https://github.com/picnixz |
| Sep 6, 2025 | https://github.com/python/cpython/pull/138582#issuecomment-3262454815 |
| Please reload this page | https://github.com/python/cpython/pull/138582 |
| Please reload this page | https://github.com/python/cpython/pull/138582 |
| https://github.com/pablogsal |
| pablogsal | https://github.com/pablogsal |
| Sep 6, 2025 | https://github.com/python/cpython/pull/138582#issuecomment-3262516544 |
| Please reload this page | https://github.com/python/cpython/pull/138582 |
| https://github.com/serhiy-storchaka |
| serhiy-storchaka | https://github.com/serhiy-storchaka |
|
Sep 10, 2025
| https://github.com/python/cpython/pull/138582#pullrequestreview-3205746602 |
|
View reviewed changes
| https://github.com/python/cpython/pull/138582/files/6405c1cbe556e6a2026595c03084f309b7b57bf3 |
| serhiy-storchaka | https://github.com/serhiy-storchaka |
| https://github.com/python/cpython/pull/138582#pullrequestreview-3205746602 |
| Learn more | https://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment |
| Please reload this page | https://github.com/python/cpython/pull/138582 |
| https://github.com/apps/bedevere-app |
| bedevere-app | https://github.com/apps/bedevere-app |
|
awaiting merge
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20merge%22 |
|
awaiting core review
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20core%20review%22 |
| Sep 10, 2025 | https://github.com/python/cpython/pull/138582#event-19611148575 |
| https://github.com/serhiy-storchaka |
| serhiy-storchaka | https://github.com/serhiy-storchaka |
| Sep 10, 2025 | https://github.com/python/cpython/pull/138582#issuecomment-3274569857 |
| Please reload this page | https://github.com/python/cpython/pull/138582 |
| https://github.com/kumaraditya303 |
| kumaraditya303 | https://github.com/kumaraditya303 |
|
Sep 10, 2025
| https://github.com/python/cpython/pull/138582#pullrequestreview-3205781849 |
|
View reviewed changes
| https://github.com/python/cpython/pull/138582/files/6405c1cbe556e6a2026595c03084f309b7b57bf3 |
| https://github.com/picnixz |
| picnixz | https://github.com/picnixz |
| 4978bfc | https://github.com/python/cpython/commit/4978bfca1033358504c7a4ebbe33f0c28bededf7 |
| Sep 11, 2025 | https://github.com/python/cpython/pull/138582#event-19629725895 |
| Please reload this page | https://github.com/python/cpython/pull/138582 |
| https://github.com/picnixz |
| picnixz | https://github.com/picnixz |
| September 11, 2025 07:56 | https://github.com/python/cpython/pull/138582#event-19629727718 |
| https://github.com/apps/bedevere-app |
| bedevere-app | https://github.com/apps/bedevere-app |
|
awaiting merge
| https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20merge%22 |
| Sep 11, 2025 | https://github.com/python/cpython/pull/138582#event-19629727819 |
| Sign up for free | https://github.com/join?source=comment-repo |
| Sign in to comment | https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F138582 |
|
| https://github.com/serhiy-storchaka |
|
serhiy-storchaka
| https://github.com/serhiy-storchaka |
|
| https://github.com/python/cpython/pull/138582/files/6405c1cbe556e6a2026595c03084f309b7b57bf3 |
|
| https://github.com/kumaraditya303 |
|
kumaraditya303
| https://github.com/kumaraditya303 |
|
| https://github.com/python/cpython/pull/138582/files/6405c1cbe556e6a2026595c03084f309b7b57bf3 |
|
| https://github.com/pablogsal |
|
pablogsal
| https://github.com/pablogsal |
|
| https://github.com/ambv |
|
ambv
| https://github.com/ambv |
|
| https://github.com/1st1 |
|
1st1
| https://github.com/1st1 |
| Please reload this page | https://github.com/python/cpython/pull/138582 |
|
| https://github.com/picnixz |
|
| https://github.com/pablogsal |
|
| https://github.com/serhiy-storchaka |
|
| https://github.com/kumaraditya303 |
|
| https://github.com |
| Terms | https://docs.github.com/site-policy/github-terms/github-terms-of-service |
| Privacy | https://docs.github.com/site-policy/privacy-policies/github-privacy-statement |
| Security | https://github.com/security |
| Status | https://www.githubstatus.com/ |
| Community | https://github.community/ |
| Docs | https://docs.github.com/ |
| Contact | https://support.github.com?tags=dotcom-footer |