Memory Management Part 3 5.7. Debugging memory leaks 161 Scrapy Documentation, Release 1.6.0 The improvements proposed by Evan Jones, which are detailed in this paper, got merged in Python 2.5, but this only • big documentation improvements, including a switch from .extract_first() + .extract() API to .get() + .getall() API; • feed exports, FilePipeline and MediaPipeline improvements; • better extensibility: console security improvements, first released as a backport in Scrapy 1.5.2 (2019-01-22); • clean-up of the deprecated code; • various bug fixes, small new features and usability improvements across the codebase

Python Memory Management • Python Memory Management Part 2 • Python Memory Management Part 3 The improvements proposed by Evan Jones, which are detailed in this paper, got merged in Python 2.5, but this only described below. Highlights: • Improvements for crawls targeting multiple domains • A cleaner way to pass arguments to callbacks • A new class for JSON requests • Improvements for rule-based spiders • New • big documentation improvements, including a switch from .extract_first() + .extract() API to .get() + .getall() API; • feed exports, FilePipeline and MediaPipeline improvements; • better extensibility:

Python Memory Management • Python Memory Management Part 2 • Python Memory Management Part 3 The improvements proposed by Evan Jones, which are detailed in this paper, got merged in Python 2.5, but this only described below. Highlights: • Improvements for crawls targeting multiple domains • A cleaner way to pass arguments to callbacks • A new class for JSON requests • Improvements for rule-based spiders • New • big documentation improvements, including a switch from .extract_first() + .extract() API to .get() + .getall() API; • feed exports, FilePipeline and MediaPipeline improvements; • better extensibility:

Python Memory Management • Python Memory Management Part 2 • Python Memory Management Part 3 The improvements proposed by Evan Jones, which are detailed in this paper, got merged in Python 2.5, but this only (2024-02-14) Highlights: • Security bug fixes. • Support for Twisted >= 23.8.0. • Documentation improvements. Security bug fixes • Addressed ReDoS vulnerabilities: – scrapy.utils.iterators.xmliter is is_botocore() function to the 2.8.0 release notes. (issue 6056, issue 6061) • Other documentation improvements. (issue 6128, issue 6144, issue 6163, issue 6190, issue 6192) Quality assurance • Added Python

Python Memory Management • Python Memory Management Part 2 • Python Memory Management Part 3 The improvements proposed by Evan Jones, which are detailed in this paper, got merged in Python 2.5, but this only (2024-02-14) Highlights: • Security bug fixes. • Support for Twisted >= 23.8.0. • Documentation improvements. Security bug fixes • Addressed ReDoS vulnerabilities: – scrapy.utils.iterators.xmliter is is_botocore() function to the 2.8.0 release notes. (issue 6056, issue 6061) • Other documentation improvements. (issue 6128, issue 6144, issue 6163, issue 6190, issue 6192) Quality assurance • Added Python

Python Memory Management • Python Memory Management Part 2 • Python Memory Management Part 3 The improvements proposed by Evan Jones, which are detailed in this paper, got merged in Python 2.5, but this only (2024-02-14) Highlights: • Security bug fixes. • Support for Twisted >= 23.8.0. • Documentation improvements. Security bug fixes • Addressed ReDoS vulnerabilities: – scrapy.utils.iterators.xmliter is is_botocore() function to the 2.8.0 release notes. (issue 6056, issue 6061) • Other documentation improvements. (issue 6128, issue 6144, issue 6163, issue 6190, issue 6192) Quality assurance • Added Python

Python Memory Management • Python Memory Management Part 2 • Python Memory Management Part 3 The improvements proposed by Evan Jones, which are detailed in this paper, got merged in Python 2.5, but this only 3rd-party components that support it. • Exceptions to retry can now be configured. • Many fixes and improvements for feed exports. Modified requirements • Dropped support for Python 3.7. (issue 5953) • Added 1 so that they don’t cause test failures. (issue 5902, issue 5919) • Other CI and pre-commit improvements. (issue 5802, issue 5823, issue 5908) 7.1.4 Scrapy 2.8.0 (2023-02-02) This is a maintenance

html] Python Memory Management Part 3 [http://www.evanjones.ca/python-memory-part3.html] The improvements proposed by Evan Jones, which are detailed in this paper [http://www.evanjones.ca/memoryallocator/] described below. Highlights: Improvements for crawls targeting multiple domains A cleaner way to pass arguments to callbacks A new class for JSON requests Improvements for rule-based spiders New features compatibility; big documentation improvements, including a switch from .extract_first() + .extract() API to .get() + .getall() API; feed exports, FilePipeline and MediaPipeline improvements; better extensibility:

Python Memory Management • Python Memory Management Part 2 • Python Memory Management Part 3 The improvements proposed by Evan Jones, which are detailed in this paper, got merged in Python 2.5, but this only described below. Highlights: • Improvements for crawls targeting multiple domains • A cleaner way to pass arguments to callbacks • A new class for JSON requests • Improvements for rule-based spiders • New • big documentation improvements, including a switch from .extract_first() + .extract() API to .get() + .getall() API; • feed exports, FilePipeline and MediaPipeline improvements; • better extensibility:

Python Memory Management • Python Memory Management Part 2 • Python Memory Management Part 3 The improvements proposed by Evan Jones, which are detailed in this paper, got merged in Python 2.5, but this only described below. Highlights: • Improvements for crawls targeting multiple domains • A cleaner way to pass arguments to callbacks • A new class for JSON requests • Improvements for rule-based spiders • New • big documentation improvements, including a switch from .extract_first() + .extract() API to .get() + .getall() API; • feed exports, FilePipeline and MediaPipeline improvements; • better extensibility: