--- title: Python 3.15.0 alpha 7 | daily.dev description: Python 3.15.0 alpha 7 has been released, the seventh of eight planned alpha releases before the final stable version. Key features in 3.15 include explicit... canonical: https://daily.dev/posts/python-3-15-0-alpha-7-mdms5ltls twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Python 3.15.0 alpha 7 | daily.dev og:description: Python 3.15.0 alpha 7 has been released, the seventh of eight planned alpha releases before the final stable version. Key features in 3.15 include explicit... og:url: https://daily.dev/posts/python-3-15-0-alpha-7-mdms5ltls og:image: https://api.daily.dev/og/posts/mDms5lTLs.png og:image:alt: Python 3.15.0 alpha 7 og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Python 3.15.0 alpha 7 **[Python Insider](https://daily.dev/sources/python)** · 3 min read · 5 upvotes · 0 comments ## Summary Python 3.15.0 alpha 7 has been released, the seventh of eight planned alpha releases before the final stable version. Key features in 3.15 include explicit lazy imports (PEP 810), a new frozendict built-in type (PEP 814), a statistical sampling profiler (PEP 799), unpacking in comprehensions (PEP 798), UTF-8 as the default encoding (PEP 686), TypedDict with typed extra items (PEP 728), TypeForm annotations (PEP 747), and a new PyBytesWriter C API. The JIT compiler has been significantly upgraded, delivering 3-4% performance improvement on x86-64 Linux and 7-8% speedup on AArch64 macOS. The next alpha (3.15.0a8) is scheduled for 2026-04-07, with beta phase starting 2026-05-05. Not recommended for production use. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Python 3.15.0a8, 3.14.4 and 3.13.13 are out\!](https://daily.dev/posts/python-3-15-0a8-3-14-4-and-3-13-13-are-out--fpknzjqcr) · Python Insider · 29 upvotes · 1 comments - [Python Insider: Python 3.15.0 alpha 6](https://daily.dev/posts/python-insider-python-3-15-0-alpha-6-f85iqcqtk) · Python Insider · 10 upvotes · 0 comments - [Python 3.15.0 beta 3 is here\!](https://daily.dev/posts/python-3-15-0-beta-3-is-here--kbews0asi) · Python Insider · 15 upvotes · 1 comments --- Tags: [#python](https://daily.dev/tags/python), [#cpython](https://daily.dev/tags/cpython) [View this post on daily.dev](https://daily.dev/posts/python-3-15-0-alpha-7-mdms5ltls) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Python 3.15.0 alpha 7","url":"https://daily.dev/posts/python-3-15-0-alpha-7-mdms5ltls","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/python-3-15-0-alpha-7-mdms5ltls"},"datePublished":"2026-03-10T15:51:10.529Z","dateModified":"2026-03-10T15:51:52.821Z","description":"Python 3.15.0 alpha 7 has been released, the seventh of eight planned alpha releases before the final stable version. 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