bump-version: 0.9.9 with changelog

[skip ci] as previous commit has been passed

Author: litlighilit

changelogs/changelog_0_9_9.md

@@ -0,0 +1,74 @@
+
+# v0.9.9 - 2025-04-21
+
+## break
+- oserr: unexport pathsAsOne, new tryOsOp accepts 2 or 0 paths (3f1f1140)
+- slice: toNimSlice is no longer a cvt; cvt toPySlice from PySlice1. (c9518e8f)
+
+## Bug Fixes
+- Lib/sys:
+  - float_repr_style not export (21b7f793)
+- sugar:
+  - @a.b, @a.b(1) not compile (0fb94267, 1927cef4)
+  - generic class rewrite was wrong; class O(a.c)/O(a[t]) not compile. (f6c2824b)
+- list:
+  - slice used in get,setitem with negative value causes RangeDefect. (4d33844a)
+  - fix setitem discarded longer values. (cd9ed64)
+- builtins.slice: toNimSlice's assert not work. (903c1cd)
+- initVal_with_handle_signal:
+  - deadloop(d9e0a00938e), os.wait*(f25a731fce5). (a5bae2c6)
+  - not compile on JS (6534a352)
+- fixup! refact(os_impl): Py_get_osfhandle_noraise to util/get_osfhandle. (0f51997b)
+
+
+### JS
+- pyerrors.oserr: new catchJsErrAndSetErrno; add defval for raiseErrno,raiseErrnoWithPath (6534a352)
+- importDenoOrNodeMod;2-arg importDenoOrProcess. (8f22a68c)
+- os.utime not work: "fs is not defined". (47eca906)
+- fixup(d7541b8c4): catchJsErrAsCode (used error which is cstring). (694eae8c)
+
+## Fixes for inconsistence with Python
+- Lib/os
+  - readlink raises not just FileNotFoundEror,OSError... (c7976a54)
+  - makedirs: if existsts_ok, exception might be raised. (90c9610a)
+- n_tempfile:
+  - js: mktemp raised OSError over FileNotFoundError. (f576b689)
+
+### inner
+
+## Feature additions
+
+### builtins
+
+
+### Lib
+- stat (4c8e84e9)
+- unittest:
+  - TestCase: addCleanup,tearDown,setUp,run. (3314d922)
+
+
+### inner
+- test: support.os_helper.TESTFN (2c8406a3)
+- pyconfig: util.from_c_int_expr,`AC_CHECK_FUNC[S]` (6534a352, be5332b1)
+- js:
+  - jsutils/consts from_js_const (ae1671e6)
+
+
+## doc
+
+## CI
+- testC,testJs: run iff src/,tests/,./*.nimble, !feat-* branch. (2788f60d)
+
+## impr
+- js: os.{open,close}: use importNode over "require...". (f361005c)
+
+## refine
+
+## refactor
+- refact: mv os_impl/private/platform_util root's private (1d5e2a8e)
+- Lib/unittest: split to unittest/case_py (4853b497)
+- Lib/sys: split into sys_impl/; add n_sys (34f0cb98)
+- Lib/os_impl: dedup MS_WINDOWS, InJs (6534a352)
+
+
+### Purge warning

src/pylib/versionInfo.nim

@@ -11,7 +11,7 @@ type
 const
   Major* = 0
   Minor* = 9
-  Patch* = 8
+  Patch* = 9
 
   ReleaseLevel* = "alpha"
   Serial* = 0