Avoid per-element patch-path allocations in C# collection serializers - #11947

Merged

Jorge Rangel (jorgerangel-msft) merged 31 commits into

mainfrom

copilot/fix-generated-collection-serializers

Sep 17, 2026

Commits on Sep 11, 2026

Initial plan
Copilot
authored
144a463
fix(http-client-csharp): skip irrelevant indexed patch path checks

Copilot
and
Jorge Rangel (jorgerangel-msft)
authored
ef43b16
fix(http-client-csharp): guard nested collection patch path allocations

Copilot
and
Jorge Rangel (jorgerangel-msft)
authored
fd88953
revert(http-client-csharp): undo nested collection patch guard follow-up

Copilot
and
Jorge Rangel (jorgerangel-msft)
authored
b283693
fix(http-client-csharp): preserve dotted patch property names

Copilot
and
Jorge Rangel (jorgerangel-msft)
authored
06c4f8c
fix(http-client-csharp): escape dotted patch paths

Copilot
and
Jorge Rangel (jorgerangel-msft)
authored
c267f75
fix(http-client-csharp): escape bracketed patch path segments

Copilot
and
Jorge Rangel (jorgerangel-msft)
authored
92f3e81
refactor(http-client-csharp): share patch path escaping helper

Copilot
and
Jorge Rangel (jorgerangel-msft)
authored
a4f240b
test(http-client-csharp): cover escaped bracket patch paths

Copilot
and
Jorge Rangel (jorgerangel-msft)
authored
a13b331
fix(http-client-csharp): clarify patch path segment escaping

Copilot
and
Jorge Rangel (jorgerangel-msft)
authored
0aff3b2
refactor(http-client-csharp): simplify patch path escaping

Copilot
and
Jorge Rangel (jorgerangel-msft)
authored
5a5313e
test(http-client-csharp): cover simple patch path identifiers

Copilot
and
Jorge Rangel (jorgerangel-msft)
authored
f4c39ef
fix(http-client-csharp): escape braces in patch path templates

Copilot
and
Jorge Rangel (jorgerangel-msft)
authored
0dfa386
revert(http-client-csharp): remove patch path escaping follow-up

Copilot
and
Jorge Rangel (jorgerangel-msft)
authored
e3db771
fix(http-client-csharp): reuse nested collection patch guard

Copilot
and
Jorge Rangel (jorgerangel-msft)
authored
54bf7fc

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Avoid per-element patch-path allocations in C# collection serializers - #11947

Avoid per-element patch-path allocations in C# collection serializers#11947
Jorge Rangel (jorgerangel-msft) merged 31 commits into
mainfrom
copilot/fix-generated-collection-serializers

Commits on Sep 11, 2026

Initial plan

fix(http-client-csharp): skip irrelevant indexed patch path checks

fix(http-client-csharp): guard nested collection patch path allocations

revert(http-client-csharp): undo nested collection patch guard follow-up

fix(http-client-csharp): preserve dotted patch property names

fix(http-client-csharp): escape dotted patch paths

fix(http-client-csharp): escape bracketed patch path segments

refactor(http-client-csharp): share patch path escaping helper

test(http-client-csharp): cover escaped bracket patch paths

fix(http-client-csharp): clarify patch path segment escaping

refactor(http-client-csharp): simplify patch path escaping

test(http-client-csharp): cover simple patch path identifiers

fix(http-client-csharp): escape braces in patch path templates

revert(http-client-csharp): remove patch path escaping follow-up

fix(http-client-csharp): reuse nested collection patch guard

Commits on Sep 14, 2026

fix(http-client-csharp): guard nested dictionary patch paths

refactor(http-client-csharp): share dictionary item serialization

fix(http-client-csharp): avoid unpatched item name reuse

fix(http-client-csharp): guard root dictionary patch paths

fix(http-client-csharp): preserve special patch path names

fix(http-client-csharp): pick collision-safe JSON path quote delimiter

fix(http-client-csharp): eliminate dead if(false) patch branches in nested collections

Commits on Sep 16, 2026

Merge branch 'main' into copilot/fix-generated-collection-serializers

refactor(http-client-csharp): remove standalone C# interpolation escaping helper

refactor(http-client-csharp): remove special patch path escaping

test(http-client-csharp): cover nested collection patch serialization

test(http-client-csharp): cover patched nested collections

revert(http-client-csharp): remove out-of-scope JSON path escaping and fix nested patch guard

Commits on Sep 17, 2026

rename unpatchedItem loop variable back to item per review feedback

regen Sample-TypeSpec generated files to fix CI regen-check failure

test(http-client-csharp): add allocation coverage for unpatched nested collections