News and compat annotation for JuliaLang#29108 (current_project() / -…

…-project=@.)

NEWS.md

@@ -72,6 +72,7 @@ Standard library changes
   * `parse(Bool, str)` is now supported ([#29997]).
   * `copyto!(::AbstractMatrix, ::UniformScaling)` supports rectangular matrices now ([#28790]).
   * In `put!(c::Channel{T}, v)`, `v` now gets converted to `T` as `put!` is being called ([#29092]).
+  * `current_project()` now also searched the parent directories of a Git repository for a `Project.toml` file. This also affects the behavior of the `--project` command line option when using the default `--project=@.` ([#29108]).
 
 Compiler/Runtime improvements
 -----------------------------

doc/src/manual/getting-started.md

@@ -125,6 +125,11 @@ julia [switches] -- [programfile] [args...]
 |`--track-allocation={none\|user\|all}` |Count bytes allocated by each source line|
 |`--track-allocation`                   |equivalent to `--track-allocation=user`|
 
+!!! compat "Julia 1.1"
+    In Julia 1.0, the default `--project=@.` option did not search up from the root
+    directory of a Git repository for the `Project.toml` file. Starting from Julia 1.1, it
+    searches all the way up to the the root of the filesystem.
+
 ## Resources
 
 A curated list of useful learning resources to help new users get started can be found on the [learning](https://julialang.org/learning/) page of the main Julia web site.