Add versioning note to spec (openxla#2333)

mlevesquedion · May 13, 2024 · 2d35f55 · 2d35f55
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diff --git a/README.md b/README.md
@@ -170,7 +170,7 @@ We also make nightly wheels available on our GitHub Releases page.
 pip install stablehlo -f https://github.com/openxla/stablehlo/releases/expanded_assets/dev-wheels
 ```
 
-## StableHLO to TensorFLow SavedModel
+## StableHLO to TensorFlow SavedModel
 
 This repository offers tooling for the conversion of a StableHLO program,
 including its metadata (representing trained weights and biases), into a

diff --git a/docs/spec.md b/docs/spec.md
@@ -19,6 +19,12 @@ these ops executing together within a program. Finally, the
 [Notation](#notation) section discusses the notation used throughout the
 specification.
 
+To view the spec from a previous release of StableHLO, open the repo at the
+[tagged release](https://github.com/openxla/stablehlo/tags) of interest.
+For example, the [StableHLO v0.19.0 Spec](https://github.com/openxla/stablehlo/blob/v0.19.0/docs/spec.md).
+To view changes that occurred at each minor version bump of StableHLO, refer to
+the version log in [VhloDialect.td](https://github.com/openxla/stablehlo/blob/main/stablehlo/dialect/VhloDialect.td).
+
 ## Programs
 
 ```ebnf