diff --git a/opentelemetry-semantic-conventions/src/opentelemetry/semconv/_incubating/attributes/go_attributes.py b/opentelemetry-semantic-conventions/src/opentelemetry/semconv/_incubating/attributes/go_attributes.py
deleted file mode 100644
index f13ba2f0496..00000000000
--- a/opentelemetry-semantic-conventions/src/opentelemetry/semconv/_incubating/attributes/go_attributes.py
+++ /dev/null
@@ -1,28 +0,0 @@
-# Copyright The OpenTelemetry Authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-from enum import Enum
-from typing import Final
-
-GO_MEMORY_TYPE: Final = "go.memory.type"
-"""
-The type of memory.
-"""
-
-
-class GoMemoryTypeValues(Enum):
-    STACK = "stack"
-    """Memory allocated from the heap that is reserved for stack space, whether or not it is currently in-use."""
-    OTHER = "other"
-    """Memory used by the Go runtime, excluding other categories of memory usage described in this enumeration."""
diff --git a/opentelemetry-semantic-conventions/src/opentelemetry/semconv/_incubating/attributes/v8js_attributes.py b/opentelemetry-semantic-conventions/src/opentelemetry/semconv/_incubating/attributes/v8js_attributes.py
deleted file mode 100644
index 15817f1571f..00000000000
--- a/opentelemetry-semantic-conventions/src/opentelemetry/semconv/_incubating/attributes/v8js_attributes.py
+++ /dev/null
@@ -1,51 +0,0 @@
-# Copyright The OpenTelemetry Authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-from enum import Enum
-from typing import Final
-
-V8JS_GC_TYPE: Final = "v8js.gc.type"
-"""
-The type of garbage collection.
-"""
-
-V8JS_HEAP_SPACE_NAME: Final = "v8js.heap.space.name"
-"""
-The name of the space type of heap memory.
-Note: Value can be retrieved from value `space_name` of [`v8.getHeapSpaceStatistics()`](https://nodejs.org/api/v8.html#v8getheapspacestatistics).
-"""
-
-
-class V8jsGcTypeValues(Enum):
-    MAJOR = "major"
-    """Major (Mark Sweep Compact)."""
-    MINOR = "minor"
-    """Minor (Scavenge)."""
-    INCREMENTAL = "incremental"
-    """Incremental (Incremental Marking)."""
-    WEAKCB = "weakcb"
-    """Weak Callbacks (Process Weak Callbacks)."""
-
-
-class V8jsHeapSpaceNameValues(Enum):
-    NEW_SPACE = "new_space"
-    """New memory space."""
-    OLD_SPACE = "old_space"
-    """Old memory space."""
-    CODE_SPACE = "code_space"
-    """Code memory space."""
-    MAP_SPACE = "map_space"
-    """Map memory space."""
-    LARGE_OBJECT_SPACE = "large_object_space"
-    """Large object memory space."""
diff --git a/opentelemetry-semantic-conventions/src/opentelemetry/semconv/_incubating/metrics/go_metrics.py b/opentelemetry-semantic-conventions/src/opentelemetry/semconv/_incubating/metrics/go_metrics.py
deleted file mode 100644
index 11dc352fa78..00000000000
--- a/opentelemetry-semantic-conventions/src/opentelemetry/semconv/_incubating/metrics/go_metrics.py
+++ /dev/null
@@ -1,179 +0,0 @@
-# Copyright The OpenTelemetry Authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-from typing import Final
-
-from opentelemetry.metrics import Counter, Histogram, Meter, UpDownCounter
-
-GO_CONFIG_GOGC: Final = "go.config.gogc"
-"""
-Heap size target percentage configured by the user, otherwise 100
-Instrument: updowncounter
-Unit: %
-Note: The value range is [0.0,100.0]. Computed from `/gc/gogc:percent`.
-"""
-
-
-def create_go_config_gogc(meter: Meter) -> UpDownCounter:
-    """Heap size target percentage configured by the user, otherwise 100"""
-    return meter.create_up_down_counter(
-        name=GO_CONFIG_GOGC,
-        description="Heap size target percentage configured by the user, otherwise 100.",
-        unit="%",
-    )
-
-
-GO_GOROUTINE_COUNT: Final = "go.goroutine.count"
-"""
-Count of live goroutines
-Instrument: updowncounter
-Unit: {goroutine}
-Note: Computed from `/sched/goroutines:goroutines`.
-"""
-
-
-def create_go_goroutine_count(meter: Meter) -> UpDownCounter:
-    """Count of live goroutines"""
-    return meter.create_up_down_counter(
-        name=GO_GOROUTINE_COUNT,
-        description="Count of live goroutines.",
-        unit="{goroutine}",
-    )
-
-
-GO_MEMORY_ALLOCATED: Final = "go.memory.allocated"
-"""
-Memory allocated to the heap by the application
-Instrument: counter
-Unit: By
-Note: Computed from `/gc/heap/allocs:bytes`.
-"""
-
-
-def create_go_memory_allocated(meter: Meter) -> Counter:
-    """Memory allocated to the heap by the application"""
-    return meter.create_counter(
-        name=GO_MEMORY_ALLOCATED,
-        description="Memory allocated to the heap by the application.",
-        unit="By",
-    )
-
-
-GO_MEMORY_ALLOCATIONS: Final = "go.memory.allocations"
-"""
-Count of allocations to the heap by the application
-Instrument: counter
-Unit: {allocation}
-Note: Computed from `/gc/heap/allocs:objects`.
-"""
-
-
-def create_go_memory_allocations(meter: Meter) -> Counter:
-    """Count of allocations to the heap by the application"""
-    return meter.create_counter(
-        name=GO_MEMORY_ALLOCATIONS,
-        description="Count of allocations to the heap by the application.",
-        unit="{allocation}",
-    )
-
-
-GO_MEMORY_GC_GOAL: Final = "go.memory.gc.goal"
-"""
-Heap size target for the end of the GC cycle
-Instrument: updowncounter
-Unit: By
-Note: Computed from `/gc/heap/goal:bytes`.
-"""
-
-
-def create_go_memory_gc_goal(meter: Meter) -> UpDownCounter:
-    """Heap size target for the end of the GC cycle"""
-    return meter.create_up_down_counter(
-        name=GO_MEMORY_GC_GOAL,
-        description="Heap size target for the end of the GC cycle.",
-        unit="By",
-    )
-
-
-GO_MEMORY_LIMIT: Final = "go.memory.limit"
-"""
-Go runtime memory limit configured by the user, if a limit exists
-Instrument: updowncounter
-Unit: By
-Note: Computed from `/gc/gomemlimit:bytes`. This metric is excluded if the limit obtained from the Go runtime is math.MaxInt64.
-"""
-
-
-def create_go_memory_limit(meter: Meter) -> UpDownCounter:
-    """Go runtime memory limit configured by the user, if a limit exists"""
-    return meter.create_up_down_counter(
-        name=GO_MEMORY_LIMIT,
-        description="Go runtime memory limit configured by the user, if a limit exists.",
-        unit="By",
-    )
-
-
-GO_MEMORY_USED: Final = "go.memory.used"
-"""
-Memory used by the Go runtime
-Instrument: updowncounter
-Unit: By
-Note: Computed from `(/memory/classes/total:bytes - /memory/classes/heap/released:bytes)`.
-"""
-
-
-def create_go_memory_used(meter: Meter) -> UpDownCounter:
-    """Memory used by the Go runtime"""
-    return meter.create_up_down_counter(
-        name=GO_MEMORY_USED,
-        description="Memory used by the Go runtime.",
-        unit="By",
-    )
-
-
-GO_PROCESSOR_LIMIT: Final = "go.processor.limit"
-"""
-The number of OS threads that can execute user-level Go code simultaneously
-Instrument: updowncounter
-Unit: {thread}
-Note: Computed from `/sched/gomaxprocs:threads`.
-"""
-
-
-def create_go_processor_limit(meter: Meter) -> UpDownCounter:
-    """The number of OS threads that can execute user-level Go code simultaneously"""
-    return meter.create_up_down_counter(
-        name=GO_PROCESSOR_LIMIT,
-        description="The number of OS threads that can execute user-level Go code simultaneously.",
-        unit="{thread}",
-    )
-
-
-GO_SCHEDULE_DURATION: Final = "go.schedule.duration"
-"""
-The time goroutines have spent in the scheduler in a runnable state before actually running
-Instrument: histogram
-Unit: s
-Note: Computed from `/sched/latencies:seconds`. Bucket boundaries are provided by the runtime, and are subject to change.
-"""
-
-
-def create_go_schedule_duration(meter: Meter) -> Histogram:
-    """The time goroutines have spent in the scheduler in a runnable state before actually running"""
-    return meter.create_histogram(
-        name=GO_SCHEDULE_DURATION,
-        description="The time goroutines have spent in the scheduler in a runnable state before actually running.",
-        unit="s",
-    )
diff --git a/opentelemetry-semantic-conventions/src/opentelemetry/semconv/_incubating/metrics/veightjs_metrics.py b/opentelemetry-semantic-conventions/src/opentelemetry/semconv/_incubating/metrics/veightjs_metrics.py
deleted file mode 100644
index e06da57df49..00000000000
--- a/opentelemetry-semantic-conventions/src/opentelemetry/semconv/_incubating/metrics/veightjs_metrics.py
+++ /dev/null
@@ -1,107 +0,0 @@
-# Copyright The OpenTelemetry Authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-from typing import Final
-
-from opentelemetry.metrics import Histogram, Meter, UpDownCounter
-
-V8JS_GC_DURATION: Final = "v8js.gc.duration"
-"""
-Garbage collection duration
-Instrument: histogram
-Unit: s
-Note: The values can be retrieve from [`perf_hooks.PerformanceObserver(...).observe({ entryTypes: ['gc'] })`](https://nodejs.org/api/perf_hooks.html#performanceobserverobserveoptions).
-"""
-
-
-def create_v8js_gc_duration(meter: Meter) -> Histogram:
-    """Garbage collection duration"""
-    return meter.create_histogram(
-        name=V8JS_GC_DURATION,
-        description="Garbage collection duration.",
-        unit="s",
-    )
-
-
-V8JS_HEAP_SPACE_AVAILABLE_SIZE: Final = "v8js.heap.space.available_size"
-"""
-Heap space available size
-Instrument: updowncounter
-Unit: By
-Note: Value can be retrieved from value `space_available_size` of [`v8.getHeapSpaceStatistics()`](https://nodejs.org/api/v8.html#v8getheapspacestatistics).
-"""
-
-
-def create_v8js_heap_space_available_size(meter: Meter) -> UpDownCounter:
-    """Heap space available size"""
-    return meter.create_up_down_counter(
-        name=V8JS_HEAP_SPACE_AVAILABLE_SIZE,
-        description="Heap space available size.",
-        unit="By",
-    )
-
-
-V8JS_HEAP_SPACE_PHYSICAL_SIZE: Final = "v8js.heap.space.physical_size"
-"""
-Committed size of a heap space
-Instrument: updowncounter
-Unit: By
-Note: Value can be retrieved from value `physical_space_size` of [`v8.getHeapSpaceStatistics()`](https://nodejs.org/api/v8.html#v8getheapspacestatistics).
-"""
-
-
-def create_v8js_heap_space_physical_size(meter: Meter) -> UpDownCounter:
-    """Committed size of a heap space"""
-    return meter.create_up_down_counter(
-        name=V8JS_HEAP_SPACE_PHYSICAL_SIZE,
-        description="Committed size of a heap space.",
-        unit="By",
-    )
-
-
-V8JS_MEMORY_HEAP_LIMIT: Final = "v8js.memory.heap.limit"
-"""
-Total heap memory size pre-allocated
-Instrument: updowncounter
-Unit: By
-Note: The value can be retrieved from value `space_size` of [`v8.getHeapSpaceStatistics()`](https://nodejs.org/api/v8.html#v8getheapspacestatistics).
-"""
-
-
-def create_v8js_memory_heap_limit(meter: Meter) -> UpDownCounter:
-    """Total heap memory size pre-allocated"""
-    return meter.create_up_down_counter(
-        name=V8JS_MEMORY_HEAP_LIMIT,
-        description="Total heap memory size pre-allocated.",
-        unit="By",
-    )
-
-
-V8JS_MEMORY_HEAP_USED: Final = "v8js.memory.heap.used"
-"""
-Heap Memory size allocated
-Instrument: updowncounter
-Unit: By
-Note: The value can be retrieved from value `space_used_size` of [`v8.getHeapSpaceStatistics()`](https://nodejs.org/api/v8.html#v8getheapspacestatistics).
-"""
-
-
-def create_v8js_memory_heap_used(meter: Meter) -> UpDownCounter:
-    """Heap Memory size allocated"""
-    return meter.create_up_down_counter(
-        name=V8JS_MEMORY_HEAP_USED,
-        description="Heap Memory size allocated.",
-        unit="By",
-    )
diff --git a/scripts/semconv/generate.sh b/scripts/semconv/generate.sh
index 26a582ac09e..a04cc105aee 100755
--- a/scripts/semconv/generate.sh
+++ b/scripts/semconv/generate.sh
@@ -5,9 +5,9 @@ SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 ROOT_DIR="${SCRIPT_DIR}/../.."
 
 # freeze the spec version to make SemanticAttributes generation reproducible
-SEMCONV_VERSION=1.26.0
+SEMCONV_VERSION=1.27.0
 SEMCONV_VERSION_TAG=v$SEMCONV_VERSION
-OTEL_WEAVER_IMG_VERSION=0.7.0
+OTEL_WEAVER_IMG_VERSION=0.8.0
 INCUBATING_DIR=_incubating
 cd ${SCRIPT_DIR}
 
diff --git a/scripts/semconv/templates/registry/common.j2 b/scripts/semconv/templates/registry/common.j2
index 323e2bcdfa7..99dcf1495da 100644
--- a/scripts/semconv/templates/registry/common.j2
+++ b/scripts/semconv/templates/registry/common.j2
@@ -15,10 +15,6 @@
 
 {% endmacro -%}
 
-{%- macro to_const_name(attr_name) -%}
-{{attr_name | upper | replace('.', '_')}}
-{%- endmacro %}
-
 {%- macro str_or_empty(str) -%}
 {% if str is none %}{{""}}{% else %}{{str}}{% endif %}
 {%- endmacro %}
@@ -36,7 +32,3 @@
 from deprecated import deprecated
     {%- endif -%}
 {%- endmacro-%}
-
-{%- macro print_value(type, value) -%}
-{%- if type == "string" -%}"{{value}}"{%-else-%}{{value}}{%-endif-%}
-{%- endmacro -%}
diff --git a/scripts/semconv/templates/registry/semantic_attributes.j2 b/scripts/semconv/templates/registry/semantic_attributes.j2
index fa7f80ca478..1cc155712bd 100644
--- a/scripts/semconv/templates/registry/semantic_attributes.j2
+++ b/scripts/semconv/templates/registry/semantic_attributes.j2
@@ -14,7 +14,7 @@
 
 from typing import Final
 
-{% set file_name = ctx.output + (ctx.root_namespace | kebab_case | replace('-', '_')) ~ "_attributes.py" -%}
+{% set file_name = ctx.output + (ctx.root_namespace | snake_case) ~ "_attributes.py" -%}
 {{- template.set_file_name(file_name) -}}
 {%- import 'common.j2' as c %}
 
@@ -24,7 +24,7 @@ from typing import Final
 {{c.import_deprecated(enum_attributes)}}
 
 {%- macro attribute_name(attribute) -%}
-{{c.to_const_name(attribute.name)}}{%- if attribute.type is template_type -%}_TEMPLATE{%- endif -%}
+{{ attribute.name | screaming_snake_case }}{%- if attribute.type is template_type -%}_TEMPLATE{%- endif -%}
 {%- endmacro -%}
 
 {%- macro stable_class_ref(const_name, separator) -%}
@@ -65,9 +65,9 @@ from typing import Final
     {%- endif %}
 class {{class_name}}(Enum):
     {%- for member in attribute.type.members %}
-    {% set member_name = c.to_const_name(member.id) -%}
+    {% set member_name = member.id | screaming_snake_case -%}
     {%- set doc_string=write_docstring(class_name + '.' + member_name, member.brief or member.id, "", member.deprecated, member.stability, false)-%}
-    {{member_name}} = {{c.print_value(attribute.type | instantiated_type, member.value) }}
+    {{member_name}} = {{ member.value | print_member_value }}
     {% if doc_string %}"""{{doc_string}}"""{% endif %}
     {%- endfor %}
 {% endfor %}
\ No newline at end of file
diff --git a/scripts/semconv/templates/registry/semantic_metrics.j2 b/scripts/semconv/templates/registry/semantic_metrics.j2
index 0fe6a61eb89..49550cf538e 100644
--- a/scripts/semconv/templates/registry/semantic_metrics.j2
+++ b/scripts/semconv/templates/registry/semantic_metrics.j2
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-{% set file_name = ctx.output + ctx.root_namespace | kebab_case | replace('-', '_') ~ "_metrics.py" -%}
+{% set file_name = ctx.output + ctx.root_namespace | snake_case ~ "_metrics.py" -%}
 {{- template.set_file_name(file_name) -}}
 
 {% import 'common.j2' as c -%}
@@ -66,8 +66,8 @@ CallbackT = Union[
 from typing import Final
 {{ import_instrument_classes(filtered_metrics) }}
 
-{%- for metric in ctx.metrics | sort(attribute="metric_name") %}
-{% set const_name = c.to_const_name(metric.metric_name) %}
+{%- for metric in ctx.metrics %}
+{% set const_name = metric.metric_name | screaming_snake_case %}
 {{const_name}}: Final = "{{metric.metric_name}}"
 {%- set doc_string=write_docstring(metric, const_name, "")-%}{%- if doc_string %}
 """{{doc_string}}
diff --git a/scripts/semconv/templates/registry/weaver.yaml b/scripts/semconv/templates/registry/weaver.yaml
index dd7f708beb2..42018173d82 100644
--- a/scripts/semconv/templates/registry/weaver.yaml
+++ b/scripts/semconv/templates/registry/weaver.yaml
@@ -1,7 +1,6 @@
 params:
   # excluded namespaces will not be generated
-  # this behavior is fully controlled by jinja templates
-  excluded_namespaces: [ios, aspnetcore, signalr, android, dotnet, jvm, kestrel]
+  excluded_namespaces: [ios, aspnetcore, signalr, android, dotnet, jvm, kestrel, v8js, veightjs, go, node.js]
 
   # excluded attributes will be commented out in the generated code
   # this behavior is fully controlled by jinja templates