diff --git a/av1/encoder/bitstream.c b/av1/encoder/bitstream.c
index 922ce2a..2caf0f5 100644
--- a/av1/encoder/bitstream.c
+++ b/av1/encoder/bitstream.c
@@ -2239,7 +2239,8 @@
 #endif  // USE_GF16_MULTI_LAYER
 
 static int get_refresh_mask(AV1_COMP *cpi) {
-  if (cpi->common.frame_type == KEY_FRAME || frame_is_sframe(&cpi->common))
+  if ((cpi->common.frame_type == KEY_FRAME && cpi->common.show_frame) ||
+      frame_is_sframe(&cpi->common))
     return 0xFF;
 
   int refresh_mask = 0;
@@ -3959,7 +3960,7 @@
   // The TD is now written outside the frame encode loop
 
   // write sequence header obu if KEY_FRAME, preceded by 4-byte size
-  if (cm->frame_type == KEY_FRAME) {
+  if (cm->frame_type == KEY_FRAME && cm->show_frame) {
     obu_header_size = write_obu_header(OBU_SEQUENCE_HEADER, 0, data);
 
     obu_payload_size = write_sequence_header_obu(cpi, data + obu_header_size);
diff --git a/av1/encoder/encoder.c b/av1/encoder/encoder.c
index 1f99bf1..e713276 100644
--- a/av1/encoder/encoder.c
+++ b/av1/encoder/encoder.c
@@ -290,7 +290,8 @@
       cm->fb_of_context_type[i] = -1;
     }
     cm->fb_of_context_type[REGULAR_FRAME] =
-        get_ref_frame_map_idx(cpi, GOLDEN_FRAME);
+        cm->show_frame ? get_ref_frame_map_idx(cpi, GOLDEN_FRAME)
+                       : get_ref_frame_map_idx(cpi, ALTREF_FRAME);
     cm->frame_context_idx = REGULAR_FRAME;
   } else {
     const GF_GROUP *gf_group = &cpi->twopass.gf_group;
@@ -315,7 +316,7 @@
     }
   }
 
-  if (cm->frame_type == KEY_FRAME) {
+  if (cm->frame_type == KEY_FRAME && cm->show_frame) {
     cpi->refresh_golden_frame = 1;
     cpi->refresh_alt_ref_frame = 1;
     av1_zero(cpi->interp_filter_selected);
@@ -3343,7 +3344,9 @@
   // At this point the new frame has been encoded.
   // If any buffer copy / swapping is signaled it should be done here.
 
-  if (cm->frame_type == KEY_FRAME || frame_is_sframe(cm)) {
+  // Only update all of the reference buffers if a KEY_FRAME is also a
+  // show_frame. This ensures a fwd keyframe does not update all of the buffers
+  if ((cm->frame_type == KEY_FRAME && cm->show_frame) || frame_is_sframe(cm)) {
     for (int ref_frame = 0; ref_frame < REF_FRAMES; ++ref_frame) {
       ref_cnt_fb(pool->frame_bufs,
                  &cm->ref_frame_map[cpi->ref_fb_idx[ref_frame]],
@@ -4756,7 +4759,8 @@
       cpi->oxcf.allow_warped_motion && frame_might_allow_warped_motion(cm);
 
   // Reset the frame packet stamp index.
-  if (cm->frame_type == KEY_FRAME) cm->current_video_frame = 0;
+  if (cm->frame_type == KEY_FRAME && cm->show_frame)
+    cm->current_video_frame = 0;
 
   // NOTE:
   // (1) Move the setup of the ref_frame_flags upfront as it would be
@@ -4770,7 +4774,11 @@
   if (cm->show_existing_frame) {
     // NOTE(zoeliu): In BIDIR_PRED, the existing frame to show is the current
     //               BWDREF_FRAME in the reference frame buffer.
-    cm->frame_type = INTER_FRAME;
+    if (cm->frame_type == KEY_FRAME) {
+      cm->reset_decoder_state = 1;
+    } else {
+      cm->frame_type = INTER_FRAME;
+    }
     cm->show_frame = 1;
     cpi->frame_flags = *frame_flags;
 
@@ -4970,7 +4978,7 @@
   }
 
   // If the encoder forced a KEY_FRAME decision or if frame is an S_FRAME
-  if (cm->frame_type == KEY_FRAME || frame_is_sframe(cm)) {
+  if ((cm->frame_type == KEY_FRAME && cm->show_frame) || frame_is_sframe(cm)) {
     cpi->refresh_last_frame = 1;
   }
 
@@ -5637,8 +5645,8 @@
   cpi->refresh_alt2_ref_frame = 0;
   cpi->refresh_alt_ref_frame = 0;
 
-  // TODO(zoeliu@gmail.com): To support forward-KEY_FRAME and set up the
-  //                         following flag accordingly.
+  // Initialize fields related to forward keyframes
+  cpi->invisible_kf = 0;
   cm->reset_decoder_state = 0;
 
   // Don't allow a show_existing_frame to coincide with an error resilient or
@@ -5728,14 +5736,20 @@
     if ((source = av1_lookahead_peek(cpi->lookahead, arf_src_index)) != NULL) {
       cm->showable_frame = 1;
       cpi->alt_ref_source = source;
-
-      if (oxcf->arnr_max_frames > 0) {
-        // Produce the filtered ARF frame.
-        av1_temporal_filter(cpi, arf_src_index);
-        aom_extend_frame_borders(&cpi->alt_ref_buffer, num_planes);
-        force_src_buffer = &cpi->alt_ref_buffer;
+      if (arf_src_index == rc->frames_to_key) {
+        // Skip temporal filtering and mark as intra_only if we have a fwd_kf
+        const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
+        int which_arf = gf_group->arf_update_idx[gf_group->index];
+        cpi->is_arf_filter_off[which_arf] = 1;
+        cpi->invisible_kf = 1;
+      } else {
+        if (oxcf->arnr_max_frames > 0) {
+          // Produce the filtered ARF frame.
+          av1_temporal_filter(cpi, arf_src_index);
+          aom_extend_frame_borders(&cpi->alt_ref_buffer, num_planes);
+          force_src_buffer = &cpi->alt_ref_buffer;
+        }
       }
-
       cm->show_frame = 0;
       cm->intra_only = 0;
       cpi->refresh_alt_ref_frame = 1;
diff --git a/av1/encoder/encoder.h b/av1/encoder/encoder.h
index 5212db2..2c018fb 100644
--- a/av1/encoder/encoder.h
+++ b/av1/encoder/encoder.h
@@ -472,6 +472,7 @@
   AV1EncoderConfig oxcf;
   struct lookahead_ctx *lookahead;
   struct lookahead_entry *alt_ref_source;
+  int invisible_kf;
 
   int optimize_speed_feature;
   int optimize_seg_arr[MAX_SEGMENTS];
diff --git a/av1/encoder/firstpass.c b/av1/encoder/firstpass.c
index 113c068..24cb503 100644
--- a/av1/encoder/firstpass.c
+++ b/av1/encoder/firstpass.c
@@ -2693,7 +2693,18 @@
   }
 
   // Set the interval until the next gf.
-  rc->baseline_gf_interval = i - (is_key_frame || rc->source_alt_ref_pending);
+  if (cpi->oxcf.fwd_kf_enabled) {
+    // Ensure the gf group before the next keyframe will contain an altref
+    if ((rc->frames_to_key - i < rc->min_gf_interval) &&
+        (rc->frames_to_key != i)) {
+      rc->baseline_gf_interval = AOMMIN(rc->frames_to_key - rc->min_gf_interval,
+                                        rc->static_scene_max_gf_interval);
+    } else {
+      rc->baseline_gf_interval = i;
+    }
+  } else {
+    rc->baseline_gf_interval = i - (is_key_frame || rc->source_alt_ref_pending);
+  }
   if (non_zero_stdev_count) avg_raw_err_stdev /= non_zero_stdev_count;
 
   // Disable extra altrefs and backward refs for "still" gf group:
@@ -3444,7 +3455,12 @@
     target_rate = av1_rc_clamp_pframe_target_size(cpi, target_rate);
     rc->base_frame_target = target_rate;
 
-    cm->frame_type = INTER_FRAME;
+    if (cpi->invisible_kf) {
+      assert(gf_group->update_type[gf_group->index] == ARF_UPDATE);
+      cm->frame_type = KEY_FRAME;
+    } else {
+      cm->frame_type = INTER_FRAME;
+    }
 
     // Do the firstpass stats indicate that this frame is skippable for the
     // partition search?