Pick 1.9 (#4350)

* generate history from changes, uprev * Pydantic V2 blog (#4218) * first draft of pydantic V2 blog * more blog * blog rendering and formatting * more section * completing conversion table * prompt build * reviewing blog post * more reviewing and extending * recommendations from @Rabscuttler and @PrettyWood * add implementation details and more suggestions * comment about breaking changes * convert namespae to table, more removals * Apply suggestions from code review by @tiangolo Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com> * feedback from @tiangolo's review * changes from @adriangb's review * Apply suggestions from code review Co-authored-by: Zac Hatfield-Dodds <zac.hatfield.dodds@gmail.com> * convert namespace info to psuedo-code * rename property, remove schema_json() * adding validation context * remove 'model_schema_json', take 2 * more tweaks while reviewing * comment about pypy and tagged unions * add thanks :prey:, prepare for release * suggestions from @PrettyWood * suggestions from @PrettyWood, model_dump_json comment Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com> Co-authored-by: Zac Hatfield-Dodds <zac.hatfield.dodds@gmail.com> * comments mostly from @PrettyWood (#4226) * comments mostly from @PrettyWood * add updated comment * fix pre-commit * allow for shallow copies (#4093) * allow for shallow copies * Add changes file * tweak change * update for comments * rename attr * use single quotes * bump ci * add warning if not a string, switch to string literals * fix linting, prompt ci * fix ci * extend and fix tests * change default to "shallow" Co-authored-by: Samuel Colvin <s@muelcolvin.com> * uprev and prepare for release * linting Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com> Co-authored-by: Zac Hatfield-Dodds <zac.hatfield.dodds@gmail.com> Co-authored-by: Tim Paine <t.paine154@gmail.com>
pydantic · Aug 12, 2022 · 47362e3 · 47362e3
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diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
@@ -3,6 +3,7 @@ repos:
   rev: v4.0.1
   hooks:
   - id: check-yaml
+    args: ['--unsafe']
   - id: end-of-file-fixer
 
 - repo: local

diff --git a/HISTORY.md b/HISTORY.md
@@ -1,3 +1,42 @@
+## v1.9.2 (2022-08-11)
+
+**Revert Breaking Change**: _v1.9.1_ introduced a breaking change where model fields were
+deep copied by default, this release reverts the default behaviour to match _v1.9.0_ and before, 
+while also allow deep-copy behaviour via `copy_on_model_validation = 'deep'`. See #4092 for more information.
+
+* Allow for shallow copies of model fields, `Config.copy_on_model_validation` is now a str which must be
+  `'none'`, `'deep'`, or `'shallow'` corresponding to not copying, deep copy & shallow copy; default `'shallow'`, 
+  #4093 by @timkpaine
+
+## v1.9.1 (2022-05-19)
+
+Thank you to pydantic's sponsors:
+@tiangolo, @stellargraph, @JonasKs, @grillazz, @Mazyod, @kevinalh, @chdsbd, @povilasb, @povilasb, @jina-ai, 
+@mainframeindustries, @robusta-dev, @SendCloud, @rszamszur, @jodal, @hardbyte, @corleyma, @daddycocoaman, 
+@Rehket, @jokull, @reillysiemens, @westonsteimel, @primer-io, @koxudaxi, @browniebroke, @stradivari96, 
+@adriangb, @kamalgill, @jqueguiner, @dev-zero, @datarootsio, @RedCarpetUp
+for their kind support.
+
+* Limit the size of `generics._generic_types_cache` and `generics._assigned_parameters` 
+  to avoid unlimited increase in memory usage, #4083 by @samuelcolvin
+* Add Jupyverse and FPS as Jupyter projects using pydantic, #4082 by @davidbrochart
+* Speedup `__isinstancecheck__` on pydantic models when the type is not a model, may also avoid memory "leaks", #4081 by @samuelcolvin
+* Fix in-place modification of `FieldInfo` that caused problems with PEP 593 type aliases, #4067 by @adriangb
+* Add support for autocomplete in VS Code via `__dataclass_transform__` when using `pydantic.dataclasses.dataclass`, #4006 by @giuliano-oliveira
+* Remove benchmarks from codebase and docs, #3973 by @samuelcolvin
+* Typing checking with pyright in CI, improve docs on vscode/pylance/pyright, #3972 by @samuelcolvin
+* Fix nested Python dataclass schema regression, #3819 by @himbeles
+* Update documentation about lazy evaluation of sources for Settings, #3806 by @garyd203
+* Prevent subclasses of bytes being converted to bytes, #3706 by @samuelcolvin
+* Fixed "error checking inheritance of" when using PEP585 and PEP604 type hints, #3681 by @aleksul
+* Allow self referencing `ClassVar`s in models, #3679 by @samuelcolvin
+* Fix issue with self-referencing dataclass, #3675 by @uriyyo
+* Include non-standard port numbers in rendered URLs, #3652 by @dolfinus
+* `Config.copy_on_model_validation` does a deep copy and not a shallow one, #3641 by @PrettyWood
+* fix: clarify that discriminated unions do not support singletons, #3636 by @tommilligan
+* Add `read_text(encoding='utf-8')` for `setup.py`, #3625 by @hswong3i
+* Fix JSON Schema generation for Discriminated Unions within lists, #3608 by @samuelcolvin
+
 ## v1.9.0 (2021-12-31)
 
 Thank you to pydantic's sponsors:

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